Supported Memory Size – Server Operating Systems

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The server operating systems built around the NT technology have supported memory sizes greater than 4 GB for years now using a feature called PAE, or Physical Address Extension. The compatibility issues that have plagued Windows XP do not exist in the server area, as the variety of devices and drivers used here is much smaller. Also, the manufacturers are much more conscientious about validating their drivers than in the desktop space.

Windows Vista 8 GB 4 GB 64 Bit

Memory Limit
Windows Server 200832 bit64 bit
Datacenter64 GB2 TB
Enterprise64 GB2 TB
Standard4 GB32 GB
Web Server4 GB32 GB

 
After its initial launch, Windows Server 2003 was extended and offered as version R2. Additionally, Service Pack 2 is available for the original version, which also increases the amount of supported memory. Thus these versions of the server OS are listed twice in the table below.
 

Memory Limit
Windows Server 200332 bit64 bit
Datacenter SP2128 GB2 TB
Enterprise SP264 GB2 TB
Standard SP14 GB32 GB
Datacenter R2128 GB1 TB
Enterprise R264 GB1 TB
Standard R24 GB32 GB
Web Edition4 GB-
Small Business Edition4 GB128 GB


Talkback
leexgx 11/02/2008 07:43
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leexgx

if you have an Vista Key just get an Vista 32 dvd or an vista 64 dvd

tstebbens 12/02/2008 12:45
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tstebbens

I've been using 8GB with Vista for a while now. I can play Crysis or CoD4 whilst simultaeneoulsy video encoding in the background without a single stutter... very smooth. Well worth the money IMHO.

davedrave 12/02/2008 11:52
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davedrave

so the essence of the story is, 8gigs of ram makes your computer run faster. theres a surprise

joedastudd 12/02/2008 01:24
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joedastudd

There should be a bench marks showing how big a performance increase you get as opposed to 1gb, 2gb and 4gb. Sure it might be cheap to do, but is it worth the hassle of spending the money, waiting for the order, installing the ram and doing the necessary tweaks?
I like the charts on the max supported ram per OS, but you need to show the user why they may need 8gb of ram, instead of "because you can" being the reason.

Coren 13/02/2008 02:36
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Coren

I agree with joedastuff, what I'd like to know is why getting 8GB is worth it when compared to 4GB, not 2GB or less. 4GB has been proclaimed the "sweet spot" for Vista a while ago, so why would we go for the extra 4GB, especially considering we'll have to re-spend our money on DDR3 if we decide to upgrade a year or two from now?

tsebbens' comment is pretty encouraging though. Encoding and gaming are two things I do quite often. But the fact that you can do both at the same time really a consequence of the 8GB or RAM or is it due to the processor (I'm guessing it's a quad?)?

Coren 13/02/2008 03:05
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Coren

(It's joedastudd, obviously. Sorry, Joe, this was not intended as a low blow to your masculinity :P)

JohnRG 13/02/2008 09:51
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JohnRG

Hello, I'm new to the forum but have read articles on this board for years.

My question is, where does readyboost fit in. I have vista home premium 32bit with a Q6600, and a 2 GB USB for ready boost. About to swap it with a 4 GB readyboost stick, will an 8 GB USB make a difference??

leexgx 14/02/2008 04:24
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leexgx

there be no speed boost haveing more ram

what more ram does is prevent Slow downs due to running low on ram so pageing happens

allso one other Point that is an small error about going past 4gb on an 32bit program it cant happen
if it gets correted an 32Bit program can only allocate 4gb of VM space even with 8gb of ram No page file would be used at all as the program can only use 4gb of space (in games i have only seen this happen on Supreme commander when there is an High amount of units on the map can use quite alot of ram or allacate alot of Vm space taht can be fixed by patching the game.exe file to make it support Large mode so it can use upto 4gb {default is norm only 2gb})

leexgx 14/02/2008 04:27
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leexgx

readyboost sucks once you got more then 1gb of ram (2gb installed or more) as it does nothing to speed things up as ram is faster then Flash and allways will be the Readyboost can give slower performace

as an test on my pc readyboost makes my games judder when ever the flash drive is accessed

leexgx 14/02/2008 04:31
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leexgx

note for toms Please add an edit button, you gone as far as make this look an little more usefull with quotes and reporting bad posts but Cant you Re link this to the fourms agane as no one realy uses this comment system much, allso some USA content is missing on the UK web site as well i have to switch between USA and UK to get both content

Note You are going to post a comment as anonymous.



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