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i am searching for a power supply....

i finnally chose the component i want in my new gaming tower but i dont know what type or wich power supply to chose so i'll ask you all my component are:
-intel core i5 7600k
-ASrock z170 gaming k4/d3
-msi gaming rx 470 gddr5 4gb crossfire
-and other normal component the RAM cooling system.....

with all those component can someone say me the type or strengh of power supply i should chose

(sorry for the mistake)
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  1. Lots of things to say here:

    You should get a Z270 motherboard with your shiny new chip. Chances are the off the shelf Z170 boards would need a BIOS update with an older CPU before installing a new one.

    You should not Crossfire a pair of RX470, but if you insist then a 650-750W supply would be adequate and leave plenty of overhead for overclocking.

    If you can hold out a while, wait for the RX490 to come out. Or go ahead and get a GTX1070.
  2. +1 on do not buy 2 RX 470's to crossfire them.

    Buy a GTX 1070, it may be a little slower but its WORLDS less of a headache, and you can easily get a 550w psu which is more than enough power.
  3. Eximo said:
    Lots of things to say here:

    You should get a Z270 motherboard with your shiny new chip. Chances are the off the shelf Z170 boards would need a BIOS update with an older CPU before installing a new one.

    You should not Crossfire a pair of RX470, but if you insist then a 650-750W supply would be adequate and leave plenty of overhead for overclocking.

    If you can hold out a while, wait for the RX490 to come out. Or go ahead and get a GTX1070.


    the reason why i chose a z170 was to be on ddr3 and not on ddr4..... and i dont know what a bios update.... and why should i not crossfire the rx 470
  4. Best answer
    teroysake69 said:
    Eximo said:
    Lots of things to say here:

    You should get a Z270 motherboard with your shiny new chip. Chances are the off the shelf Z170 boards would need a BIOS update with an older CPU before installing a new one.

    You should not Crossfire a pair of RX470, but if you insist then a 650-750W supply would be adequate and leave plenty of overhead for overclocking.

    If you can hold out a while, wait for the RX490 to come out. Or go ahead and get a GTX1070.


    the reason why i chose a z170 was to be on ddr3 and not on ddr4..... and i dont know what a bios update.... and why should i not crossfire the rx 470


    Are you re-using DDR3 from an old build? Because if not you should be using DDR4. Even if you dro have DDR3, Skylake/Kabylake supports DDR3L not DDR3, and while it will work, it is not recommended because it may wear on the CPU's memory controller (this is according to Intel). Secondly out of the box the board may not work with that CPU, because it will require a BIOS update to function properly. which you need an older Skylake CPU to do.

    As for Crossfire, while it puts up high benchmark numbers not all games support it, the games that do support it require tweaking just to work tight, it uses a lot of power, and you get stuff like microstutter where its not as smooth as the framerate shows.

    I had a pair of R9 280's that I crossfired, I sold them and got an RX 480, its actually a little slower but everything runs better, and no tweaking required. It is way better.
  5. Signal card configuration are just always easier to deal with the multi card, for both Xfire and SLInot to mention more power required, added heat etc. If you already have the RX 470 then sure go a head but if your buying new much better to get on card. I went from a Xfire 7870 (LE's) to a GTX 1070 (was looking at RX 480 but at the time they were sold out or $300+ ) go to single card when/if you can.
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