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PSU tier list 2.0

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Last response: in Components
a b ) Power supply
22 February 2015 18:19:52

Hi there.

This is the new Power Supply Tier List for Tom's Hardware. The new tier list has all the current features of the old list, along with new ones, such as platform OEM and 80+ efficiency color coding. Here are some useful links you may want to use whilst viewing this list -


Discussion thread (old tier list)


Graphics Card Power requirements

Efficiency ratings

A high quality and stable PSU (Courtesy of JonnyGuru)

A poor quality PSU (Courtesy of JonnyGuru)

This list looks at the main and critical sectors of a Power Supply Unit -

Components - Higher quality components means more stable functionality, thus longer life on power supply and components of PC. Low quality components can affect the life of the unit and all components of your PC.

Stability - A power supply that can output it's wattage and ampere current at a stable temperature and beyond or below capable with minimal ripple and without shutting down shows that the unit is more than capable of powering any PC within it's labelled wattage. A power supply that can't must be avoided.

Efficiency - Although not really relevant to the quality or the stability of any power supply, but it can contribute to saving money on energy bills and can even be close to virtually silent. Perform research on your desired PSU to see if it can reach its labelled efficiency rating. Link above for more information.

Safety - A power supply must be capable of working without short circuiting or causing any serious harm to you or others around you if it fails. Perform critical research on your desired PSU to make sure it is safe to use with all safety switches, such as over-temperature protection included. Stay away from units with close to no safety switches at all, for the safety of you and others around you.

All PSUs will be colored in co-ordination of the Ecova 80+ efficiency ratings (true efficiency only) below -

Standard
Bronze
Silver
Gold
Platinum
Titanium

Again, all PSUs are researched by reading professional, unbiased reviews with the correct testing equipment. Some units won't be returning, due to discontinuation and / or too old.

A PSU cleanup is scheduled for Summer - Fall 2016

List updated - June 8th 2016

___________________________________________________________________________


Tier One
The highest quality and most stable Power Supply Units available. Protected by industrial grade protection circuitry and can output wattage at a rated maximum temperature of 50°C or below. These units are also Haswell certified, meaning they can cope with the C6 and C7 sleep states of 0.05Amps without triggering the under-current protection switch. May even go over labelled wattage and still work until it safely shuts down.


Antec High Current Pro Platinum Delta Electronics

Be Quiet
Dark Power Pro P10 / 850w FSP (550w - 750w) / Seasonic (850w - 1200w)
Dark Power Pro P11 850w FSP

Corsair
AX / AXi series 760w - 1200w Seasonic (AX) / Flextronics (AXi)
AX1500i Flextronics
HXi Channel Well Technology
RMi Channel Well Technology
RM1000x Channel Well Technology

Cooler Master V series / V series 1200w Seasonic

EVGA
SuperNova G2 / P2 / T2 Super Flower
Supernova GS Seasonic
Supernova GQ FSP
Supernova PS Seasonic

Enermax DigiFanless 500w Channel Well Technology

Firepower Silencer MK3 1200w Super Flower

FSP
Aurum PT FSP
Hydro G FSP

LEPA G1600 Enermax

Seasonic
Platinum series Seasonic
Snow Silent 1050w Seasonic
X series / X series XM2 Seasonic

Silverstone Nightjar Platinum 520w Seasonic

Super Flower
Leadex Gold / Platinum / Titanium Super Flower
Golden King Super Flower
Golden Silent / 430w Super Flower

Thermaltake
ToughPower DPS-G RGB 1250w Channel Well Technology
Toughpower DPS-G Platinum 1050w Enhance Electronics

XFX
Pro series Black edition Seasonic
Pro series Black edition Limited Edition 1000w Seasonic
Pro series XXX / Semi-Modular Seasonic
XTS Fanless Seasonic

___________________________________________________________________________


Tier Two
As above, just slightly lower quality. Still safe to use and are all stable for any PC of today's standards, including Haswell C Stepping certification. Recommended for those on a fairly limited budget.

Andyson
Platinum-R 850 / 1200 Andyson
Titanium N 700w Andyson

Antec
EDGE Seasonic
Earthwatts Delta Electronics/ Earthwatts Platinum FSP
High Current Gamer Delta Electronics (Non-Modular) / Seasonic (Semi-Modular)
Truepower Classic Seasonic (Essentially a Non-Modular version of the EDGE series)

Azza Platinum Super Flower
Be Quiet Straight Power 10 FSP
Cooler Master VS Series Enhance
Corsair RM 850w Channel Well Technology
Cyonic AU-550X / 650X Seasonic
Enermax Platimax Enermax
EVGA Supernova B2 Super Flower

Firepower
Silencer MK III 400 500 600 / 750 850 Super Flower
ZX Great Wall

Fractal Design Edison M Seasonic
High Power / Sirfa Astro GD Sirfa

Rosewill
Capstone series Super Flower
Lightning series Super Flower
Quark 1000w Enhance
Silent Night 500 Watts Super Flower
Tachyon series Super Flower

Seasonic
G series / G series V2 Seasonic
M12-II EVO (fully modular) Seasonic
S12G (Think of 2011 - 2013 Seasonic G series) Seasonic
S12-II Seasonic

SilentumPC Supremo M1 Gold 550w Sirfa

Silverpower
SP 460w Fully Modular Seasonic
SP Semi-modular Seasonic

Silverstone
Strider Gold Evolution Enhance
Strider Plus 750w 850w 1000w 600w Enhance
SFX-G / SFX-LG SX-G = Enhance / SFX-LG = High Power / Sirfa

Super Flower Golden Green / Modular / HX series Super Flower
Sentey Golden Steel Power 850 Watts Super Flower

Thermaltake
Toughpower Gold 850M Enhance
Toughpower Grand 1200F High Power / Sirfa
Toughpower Grand Platinum 850w 1200w Enhance
Toughpower DPS Gold Channel Well Technology

XFX
TS 430w / 550w-SEW Seasonic
XTR series Seasonic

___________________________________________________________________________


Tier Three

Some Haswell compatible, some not (maybe unconfirmed). Still safe to use and stable, just lower quality components. Not really ideal in serious overclocking or super-high load situations, such as a Bitcoin mining rig or a high end gaming system.


Antec VP / VP w/P or F suffix Delta Electronics

Be Quiet
Power zone series 650 850 750 1000 FSP
Pure Power / Pure Power CM HEC Compucase
Straight power E9 FSP

Cooler Master
G Modular Channel Well Technology
GX II Enhance
Silent pro M2 / Gold / Platinum Enhance

Corsair
CS Great Wall
RM Channel Well Technology (450w - 650w, 1000w) / Chicony (750w)

Deepcool Quanta 750w 1000w 1200w Channel Well Technology

Enermax
naXn ADV 650 Watts Enermax
Revolution X't series Enermax
Triathlor / Triathlor FC series Enermax

EVGA
430W / 500W HEC Compucase
500B / 600B HEC Compucase
NEXG FSP

Firepower
Fatal1ty 2012 1000w Gold Channel Well technology
Fatal1ty 2016 750w High Power / Sirfa
ZT series High Power / Sirfa

FSP
Aurum 92+ FSP
Aurum Gold FSP
Aurum S FSP
Aurum Xilencer FSP

Fractal Design
Integra M series High Power / Sirfa
Newton R3 Series ATNG

InWin
Commander III InWin / Powerman
GreenMe series InWin / Powerman


Kingwin Powerforce 850w High Power / Sirfa

LEPA
G500 Enermax
Lepa G900 Enermax

NZXT Hale 90 V2 FSP

Rosewill
Capstone G1200 Enhance Electronics
Fortress Series ATNG
Hercules 1600 Watts High Power / Sirfa
Hive / Hive S series High Power / Sirfa
Photon 750w High Power / Sirfa

Silverstone
Strider Essential 400w 500w 600w High Power / Sirfa
ST300F / ST450F FSP
Strider Gold S 750W v2 High power / Sirfa
Strider Platinum 750w High power / Sirfa

Thermaltake
London 550w Channel Well Technology
Toughpower1200M 1350M 1500M Channel Well Technology
Toughpower Gold 1200w Enhance
Toughpower XT 775M Channel Well Technology
Toughpower XT Gold series (Really confusing name, since they are rated Platinum) Channel Well Technology
Toughpower XT Platinum 1275w (Please don't confuse this one with the XT Gold line) Channel Well Technology

XigmatekMaverick S 500w Andyson
Xilence Performance A series HEC Compucase
Zalman ZM-700 GSM High power / Sirfa

___________________________________________________________________________


Tier Four

Built down to a low price. Not exactly the most stable units ever created. Very basic safety circuitry or even thin gauge wiring used. Not for gaming rigs or overclocking systems of any kind. Avoid unless your budget dictates your choice.

Aerocool
GT Series 500s 700s 1050s HEC Compucase / Andyson (1050S model only)
Integrator 600w HEC Compucase
Strike-X series 800w 1100w Andyson
Templarius Imperator series Channel Well Technology ( 550W, 650W) / Andyson (750W - 1150W)

Cooler Master Elite II 550w (technically a 500w unit, maybe a typo from design department) Unknown OEM. Possibly HEC Compucase

Corsair
CX / CXM Channel Well Technology
VS Channel Well Technology

EVGA NEXB FSP
Firepower Fatal1ty 2013 High Power / Sirfa
FSP Raider series FSP
InWin Glacier ATNG

LEPA
MaxBron B1000M Yuelin
MX-F1 series (Trigger-happy Overcurrent protection and very poor quality capacitors) Channel Well Technology

NZXT
Hale82N 650w FSP
Hale82 V2 700w High Power / Sirfa

Raidmax Cobrapower 500w (Not to be confused with Akasa's Cobra series) Andyson
SilentumPC Vero M1 600w Sama / Guangzhou AOJIE
Thermaltake Smart / Smart M Channel Well Technology (M Suffix, 550P, 650P, 750P) / HEC Compucase (430P, 530P, 630P, 730P) / High Power (1000M, 1200M)

___________________________________________________________________________


Tier Five
Avoid IMMEDIATELY. These units are highly unsafe to use. No such protections added, very thin gauge wiring used, false advertising and too much to list. Reference to a higher tiered unit for a better, money saving and a much safer unit. For your safety's sake, please don't order or pick one up for use in your system. These units are a potential fire hazard and could even kill you, let alone your system.


A-TOP technology
Apevia
Apex (SUPERCASE/ALLIED)
Artic / Ace (They're the same company)
Aspire (Turbocase)
ATADC
ATRIX
Broadway Com Corp
CIT
Coolmax
Deer
Diablotek
Dynapower
Dynex
Eagletech
Enlight
Evo labs
EZ-cool
Foxconn
G7
HEC / Compucase Orion
HEDY (should be WAAAYYY lower down than these units. They're that bad)
iBall
iStar computer co.
Jeantec
JPac
Just PC
Linkworld electronics
Logisys computer
Macron
MSi (just stick to their GPUs and motherboards)
NMEDIAPC
Norwood Micro/ CompUSA
Okia
Powercool
Powmax
Pulsepower
Q-tec
Rocketfish
SFC
Sharkoon
Shuttle
Skyhawk
Startech
Storm
Sumvision
Tesla
Ultra

___________________________________________________________________________


Currently un-tiered - Announced PSUs and / or currently awaiting to be reviewed by professionals.

AcBel Polytech iPower 90 / M90 AcBel Polytech

Aerocool
AP / AP Pro series Andyson
CS Series (Not to be confused with Corsair's CS Series) Channel Well Technology
Integrator MOD XT HEC Compucase
Project 7 series
Rave series Andyson
XPredator HEC Compucase

Akasa
Venom Power 2015
Viper Power

Antec
Earthwatts 2015 450 550 650 Delta Electronics/ 450 550 650
Digital Titanium 1250w Delta Electronics
EDGE II Seasonic
High Current Platinum GRID Delta Electronics
Neo Eco 2015 Channel Well Technology
VPF Bronze Delta Electronics

Chieftech
A Series High power / Sirfa
A90 Series Channel Well Technology
B Series Channel Well Technology
C Series Channel Well Technology
D Series High power / Sirfa
E Series Channel Well Technology
M Series High power / Sirfa
S Series Channel Well Technology

Club3d CSP Gold 750 / 850w Andyson

Cooler Master
B series v2 Channel Well Technology
Digital 1200w Titanium efficiency
GX 2015 Channel Well Technology
Master Power
MasterWatt
MasterWatt Lite
MasterWatt Maker
MasterWatt Pro

Corsair SF600

Cougar
GX V3 series HEC Compucase
LX
GX
GTX
VTX
GXD series HEC Compucase
A series V3 HEC Compucase

Cryorig Pi series
Deepcool Aurora Channel Well Technology

Enermax
Digityan Channel Well Technology
MaxPro Channel Well Technology
Platimax DS series Channel Well Technology
Revolution FM series Channel Well Technology

EVGA
600 White HEC Compucase
700 Bronze HEC Compucase
Supernova G3
Supernova GL

FSP Beserker
G.SkillRipjaws series 850w 1000w Ripjaws Platinum 850w 1000w 1200w
High Power / Sirfa Overclocking EVO High power / Sirfa

Gigabyte XP1200

In Win
Serenity series In Win / Powerman
Signature-II / Signature-III In Win / Powerman
IP-P IQ / IP-P HF TFX series In Win / Powerman
IP-P-Series GQ / GF TFX In Win / Powerman
IP-S GQ seriesIn Win / Powerman

LC Power Office Series Bronze

LEPA
MaxGold 1000w
MaxPlatinum series
MaxTytan series
N series
VR series

NOX
Hummer Bronze
Sense 500w

Raidmax
AP Series
RX
Vampire series
Monster series Andyson
AZ Series Andyson

Raijintech
ATX-600
ATX-850
Micro ATX-600
Micro-ATX 700
SFX-450

Riotoro
Enigma 750w Great Wall
Onyx series Great Wall

Rosewill
ARC series ATNG
Glacier series Andyson
Quark series ATNG
Tokamak series Enhance Electronics
Valens series ATNG

Seasonic
ECO 430w Seasonic
Focus series Seasonic
Lighting Cube series Seasonic
M12-II EVO 2015 Seasonic
Prime Series Gold / Platinum / Titanium Seasonic
S12-II 2015 Seasonic
Snow Silent 2017
Titanium series Seasonic

Seventeam PAP series Seventeam
SilentMaxx Eco-Silent Pro Super Flower

Silverstone
Strider Essential 400w 500w Enhance
Strider Platinum 850w - 1200w Enhance
Strider Titanium High Power / Sirfa
ST-1350TI / ST1500-TI
SX-700
SX-800LTi
Zeus 2015

Super Flower Leadex-II

Thermaltake
Tough power DPS Gold 2015 Channel Well Technology
Tough power DPS Platinum
Tough power Gold 1000M 1500M Enhance
Tough power Grand 1050F 1200F High power / Sirfa
Tough power Platinum 650w 750w 1050w Enhance
ToughPower SFX
Tough power Titanium 1500w Channel Well Technology
Tough power XT Gold 1275M (Yes, it is gold, for a Platinum rated line) Channel Well Technology
TR2 Bronze series
TR2 RX Gold Yuelin
TR2 Gold series High Power / Sirfa

Thortech Platinum Plus High Power / Sirfa
Ultra X4 2015 High Power / Sirfa
Vantec Platinum Enhance
XFXPro V2 450w 550w Seasonic

Xigmatek
Maverick Andyson
Tauro M Andyson

Xilence Performance C

Zalman EBT


___________________________________________________________________________


Again, please suggest any improvements to this tiered list. I will do the best I can to improve it and keep it up to date.

More about : psu tier list

a c 126 ) Power supply
22 February 2015 18:58:54

Thank you for the updated list! I use this list for reference purposes and find it very useful when purchasing or recommending PSUs.
22 February 2015 19:42:03

Hello, I just bought a new seasonic M12 II EVO 620w bronze and i dont see it at all on this list, is it still a good PSU? Thank you
Related resources
a c 365 ) Power supply
22 February 2015 19:43:42

It was Tier 2A, very good, on the old list. The S12II and M12II are very good units.
22 February 2015 19:49:03

thank you for quick response :)  i was unsure which to pick that Seasonic M12II-620 EVO ATX 2.3 or Corsair CX Series 600Watt Modular because they were almost at the same price range, i just went with seasonic because it seemed like more thrust worthy manufacturer.
a c 372 ) Power supply
22 February 2015 20:01:13

Tezeniz said:
thank you for quick response :)  i was unsure which to pick that Seasonic M12II-620 EVO ATX 2.3 or Corsair CX Series 600Watt Modular because they were almost at the same price range, i just went with seasonic because it seemed like more thrust worthy manufacturer.


Seasonic >>>>>>>>>>>>>>>>>>>>>>Corsair CX.

Good choice. ;) 
a c 365 ) Power supply
22 February 2015 20:05:54

Exactly, seems the conversation on the new list begins exactly as the one on the old list ended, with the Corsair CX series, bane of builders everywhere. CX series is a poor choice for systems with gaming cards or overclocked systems, let's just get that right on out of the way now for future reference. Ok for mainstream machines, not dependable for gaming rigs.
22 February 2015 20:11:29

great! iam glad to hear that! can wait to get this delivered and get my (budget) gaming going on! ive got fx 6300 and r9 280x to go with it, i belive good enough for some 1080p gaming for this years titles :) 
a c 372 ) Power supply
22 February 2015 22:52:54

A special thank you to ssddx for figuring out the bugs in this thread. Editing works again!
a b ) Power supply
22 February 2015 22:59:36

Thanks for the update dottorrent, really is a helpful list.

@ darkbreeze, "CX series, bane of builders everywhere" haha so true. Can't blame people for wanting to save money and not waste it but the near constant 'sales' of the cx series in the $30-40 range really is a burn since it seems to sucker tons of unknowing folks to grabbing it (and giving it unwarranted 5 star ratings purely because it's cheap).
a b ) Power supply
22 February 2015 23:24:32

no problem anort. a psu tiered list that is up to date is essential information.

as far as improvements are concerned, we seem to be missing chieftec as a whole. i remember seeing a question about that brand recently and noted that it was not on the list.
a c 372 ) Power supply
22 February 2015 23:36:08

ssddx said:
no problem anort. a psu tiered list that is up to date is essential information.

as far as improvements are concerned, we seem to be missing chieftec as a whole. i remember seeing a question about that brand recently and noted that it was not on the list.


No way to rate something that hasn't been reviewed.

http://www.realhardtechx.com/index_archivos/Page873.htm

Mostly Sirtec and CWT as OEMs so there is potential there to be either very good or junk as both companies make plenty of each. No way to tell unless they get tested.
a c 82 ) Power supply
23 February 2015 05:56:58

Thanks for the effort, just subbing. :) 
a c 154 ) Power supply
23 February 2015 13:31:27

Great job mate! The list is something I use often (like many others) to recommend PSUs and for reference myself.

On a side note, I'm sure something can be done about the color scheme, I see too much of bold there (maybe the OEMs can be of a specific color, not specifically though), but that may be just me :) 
a b ) Power supply
23 February 2015 13:42:32

I can't tell the difference between the colour coding for platinum and the one for silver...
a b ) Power supply
23 February 2015 18:55:46

perhaps use a blue tinged silver for platinum. just a suggestion.
a b ) Power supply
23 February 2015 23:47:21

ssddx said:
perhaps use a blue tinged silver for platinum. just a suggestion.


Changed.
a c 365 ) Power supply
23 February 2015 23:54:17

That shade is BARELY visible on my monitors. Maybe it's just me though. Perhaps just a shade darker? I dunno, I can see it, but barely.
a c 372 ) Power supply
23 February 2015 23:57:05

Looks pretty good on this laptop. That doesn't mean it will look good on my desktop or the other laptops though :p 

Edit: Oh no I think you changed it. It was more visible before.
a b ) Power supply
24 February 2015 00:11:22

darkbreeze said:
That shade is BARELY visible on my monitors. Maybe it's just me though. Perhaps just a shade darker? I dunno, I can see it, but barely.


Applied.
a c 365 ) Power supply
24 February 2015 00:31:59

MUCH better, at least on my display. I even double checked all three monitors calibrations just to be sure but it had still been pretty light. It's good now.
a b ) Power supply
24 February 2015 08:32:26

Much better, thanks
a b ) Power supply
24 February 2015 12:50:00

Thank you for this list. :) 
a c 325 ) Power supply
24 February 2015 21:36:00

http://www.realhardtechx.com/index_archivos/Page625.htm says Pro series XXX / Semi-Modular is from Seasonic

I get a lot of Indian OPs with iball and Zebronics. I used to point to this thread to get them to see how bad they are. I can't now.
It's hard to convince them if the brand isn't listed here at all. Same with old Raidmax.
a b ) Power supply
24 February 2015 21:41:31

i7Baby said:
http://www.realhardtechx.com/index_archivos/Page625.htm says Pro series XXX / Semi-Modular is from Seasonic

I get a lot of Indian OPs with iball and Zebronics. I used to point to this thread to get them to see how bad they are. I can't now.
It's hard to convince them if the brand isn't listed here at all. Same with old Raidmax.


Most of the old Raidmax units are gone. Don't get me wrong, they are still making apalling junk, but I can't list them all. Besides, I think we all know how iBall, Grey raidmax units and Zebronics units perform. They're more useful for target practice with a rifle.
a c 325 ) Power supply
24 February 2015 21:46:46

Indians use CRTs and DOS powered PCs with home repaired mobos. They resist anything better because of the costs. They often revere authority - the written word.
a c 365 ) Power supply
24 February 2015 22:56:21

I'm going to have to agree with i7 on this one. I know it's a PITA to do, but considering the very high number of members and visitors that we get from India and that region who do in fact still have availability of many units that have been dead here for some time or that still use units that have been discontinued, it would be helpful to have them listed in the "please kill me if I ever have to use one of these" listings.

I've mentioned before in the past that a lot of the units that are "discontinued" on paper, are still being sold in large amounts in some markets. Just because they're not being made anymore doesn't mean that there isn't stockpiles of them. There are tons of the old version Ultra and TR2 units being sold by Newegg and Tiger in those markets along with a whole bunch of other shady models. Whether you have any inclination to include those or not is of course up to you but I have to agree that the list shouldn't be strictly for guiding those who are intending to make a purchase of a new unit, but also as a guide to the quality of what's already installed in order to help eliminate problems not related to inclusion of parts in new builds.

I've seen plenty of folks argue about this or that unit that's been in their rig for years, working just fine, but then they install newer, more demanding hardware, but refuse to accept that the unit is a POS because it's not listed as such. Perhaps one of us might need to create a list of otherwise retired or even just plain, "if it's on this list, it's crap" models.
a c 154 ) Power supply
25 February 2015 05:42:11

I agree with the above.

Many people from India will just not buy a good PSU, simply because some brands (like iBall and Zebronics) are more heard-of here, than EVGA, Antec and so-on. Don't get me wrong, people aren't stupid, they just tend to believe in the product popular in their region, that's human nature. Some wise folks need to correct that mindset, though.

I like the 'crap PSU list' idea, just put all the absolute junks in it and link that to the main list, meaning if the PSU in question appears on that list, reserve it for your New Year fireworks.
a c 365 ) Power supply
25 February 2015 06:33:26

Yeeeaaaahhhhhhh, fireworks. I like fireworks. Just not under the desk.
a c 126 ) Power supply
25 February 2015 11:27:18

I suggest a "not recommended" group rather than saying words to the effect of "crap" because of the legal issues that we may be wide open to.
25 February 2015 16:18:36

Maybe an extra tier? Like say tier 1A and tier 1B? Like say in tier one the AX1500i which is a extremely good PSU (probably the best PSU on the market) And then tier 1B With maybe the seasonic AX760 and AX860, which is slightly lower quality but still extremely good.
a c 365 ) Power supply
25 February 2015 17:35:25

Dottorent just did away with the extra tiers. They were apparently confusing for some. I for one don't suggest going back to it. Given too many choices people will often just avoid making a choice based on actual criteria and go with a name they know, which as we all know often leads to a bad choice.

As far as calling anything "crap", that was just a metaphor. I wouldn't suggest actually calling anything crap, in any official capacity, ever. Maybe just "Not worth rating", "Paperweights" or " Units that stink up the room". Heh.
a b ) Power supply
25 February 2015 19:46:11

i7Baby said:
http://www.realhardtechx.com/index_archivos/Page625.htm says Pro series XXX / Semi-Modular is from Seasonic

I get a lot of Indian OPs with iball and Zebronics. I used to point to this thread to get them to see how bad they are. I can't now.
It's hard to convince them if the brand isn't listed here at all. Same with old Raidmax.


Don't forget Odyssey, that's also one of the premier el cheapo Indian PSU brands. Many others have also cropped up, Circle and LiveTech to name a few.
a b ) Power supply
25 February 2015 19:51:48

Anyone heard of the Seasonic ECO series? Seems similar to the Antec VP series, but I heard they're not available outside of India. Also heard they're 240V only, so it cuts down on the cost of making them.
a b ) Power supply
25 February 2015 21:20:45

dirtyferret said:
This definition blows for the reasons below (mainly the other definitions deal with facts and this one has too many opinions that can vary)

Tier Three
Some Haswell compatible, some not (maybe unconfirmed). Still safe to use and stable, just lower quality components. Some capacitors maybe Japanese, but can include the Taiwanese capacitors. Not really ideal in serious overclocking or super-high load situations, such as a Bitcoin mining rig or a high end gaming system.

1. what is serious over clocking? If my system draws 325w even when OC, it won't work on a tier 3 PSU?

2. what is a high load situation? 50, 60, 70%? I have this dude telling me a need a 750w PSU to run a single GTX770 so should I then go one tier down for a 750w since that is all I can afford!

The definition should simply state

Tier Three
Some Haswell compatible, some not (maybe unconfirmed), still safe to use. Some capacitors maybe Japanese, but can include the Taiwanese capacitors. Not really ideal in overclocking, Bitcoin mining rig, or a gaming system that will constantly push power requirements towards the top end of the PSU’s ability.


Serious overclocking as in -

SLi / Crossfire overclocking, high end CPU overclocking w/ extreme high end hardware + memory overclocking.

A decent overclock is fine for tier 3 units, but I would only suggest overclocking the CPU.
a c 365 ) Power supply
26 February 2015 02:24:45

Personally, I would not ever make a recommendation to anybody that would infer they are ok to overclock or run gaming cards of any type that requires supplemental PCI power connections on a Tier 3 unit for the simple fact that the highest number of failures I see with those units listed on tier 3 are on systems where either of those configurations are present. But that's just me.

Honestly, if it were up to me, the units on that tier would specify "ok for mainstream units and not much else", so I guess it's a good thing it's not up to me, or I'd probably have reps from Corsair, Cooler Master and EVGA up in arms.
26 February 2015 09:08:58

Are tier 2 units good for over clocking
a c 82 ) Power supply
26 February 2015 09:21:53

bobybrown123 said:
Are tier 2 units good for over clocking


Perfectly fine.
a c 82 ) Power supply
27 February 2015 14:43:11

dottorrent said:
MasterMace said:
Should add the SuperFlower Leadex Titanium to the list now (platinum and gold on it atm)

http://www.kitguru.net/components/power-supplies/zardon/superflower-leadex-titanium-1600w-review/


Kitguru don't test in detail. They have decent hardware to test their units, but they're not like TechPowerUp, JonnyGuru, HardOCP, etc.


Yes, most reviews only look at features, temps, sound testing and efficiency.
Nothing more. Those are not good enough for a proper quality rating.
27 February 2015 17:28:55

I reckon XFX XTR should be Tier 1 (the newest BEFX models) correct me if I'm wrong.
a b ) Power supply
27 February 2015 17:52:05

jnsamuel said:
I reckon XFX XTR should be Tier 1 (the newest BEFX models) correct me if I'm wrong.


The XTR models are based on the Seasonic G platform.
27 February 2015 18:06:59

That was the older 2013 models, The recent ones are built off of the X series.
27 February 2015 18:47:09

It seems they've discontinued their PRO line too according to their website and they've changed the lines to XTS/XTR/TS, new versions released in January all based off of the X platform.
3 March 2015 07:49:26

Why is seasonic word written after many psu models and why seasonic is mentioned twice tier one and two.
Anyways a very good list.
a c 154 ) Power supply
3 March 2015 07:52:06

The newguy said:
Why is seasonic word written after many psu models and why seasonic is mentioned twice tier one and two.
Anyways a very good list.


SeaSonic is the OEM (Original Equipment Manufacturer) of many PSU Models. That is, SeaSonic actually makes the unit, and other brands put their label on it. For eg, "Supernova GS 850 Seasonic" means the EVGA Supernova GS 850W model is made by SeaSonic.
a c 82 ) Power supply
3 March 2015 08:00:34

The newguy said:
Why is seasonic word written after many psu models and why seasonic is mentioned twice tier one and two.
Anyways a very good list.


Because not all models are the same. The rating isn't based on branding or manufacturer, its based on individual unit quality.
a b ) Power supply
3 March 2015 13:25:41

The newguy said:
Why is seasonic word written after many psu models and why seasonic is mentioned twice tier one and two.
Anyways a very good list.


It's who the OEM provided their platform.
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