memory limits for windows releases.docx

8/9/2019 Memory Limits for Windows Releases.docx

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modevirtualaddress space

.rom 8 G* to a ma imum of + G*with 4G

/agedpool

Limited by available ernel-modevirtual address space orthe /aged/oolLimit registry ey value"

Window 'i t% %nd%bo(e# Limited onlyby ernel modevirtual address space"'tarting withWindows 9ista with'ervice /ac 8 ('/8!,the paged pool canalso be limited bythe /aged/oolLimit re

gistry ey value"Window )omeSer(er %ndWindowSer(er *++,# :);M*

Window X # 4<;M*

8+5 G*WindowSer(er *++, %ndWindow X # 1p to8+5 G* depending oncon0guration and R$M"

3onpaged pool

Limited by available ernel-modevirtual address space,the 3on/aged/oolLimit registry ey

value, or physical memory"Window 'i t%# Limited only by ernelmode virtual addressspace and physicalmemory" 'tarting withWindows 9ista with'/8, the nonpagedpool can also belimited bythe 3on/aged/oolLimit registry ey value"

Window )omeSer(er. WindowSer(er *++,. %ndWindow X # +:2M*, or 8+5 M* with4G"

6:= of R$M up to a ma imum of 8+5G*

Window 'i t%# 4;=of R$M up to ama imum of 8+5 G*"

WindowSer(er *++, %ndWindow X # 1p to8+5 G* depending oncon0guration and R$M"

'ystemcachevirtual

Limited by available ernel-modevirtual address space orthe 'ystem>acheLimit registry ey

$lways 8 * regardless of physical R$MWindowSer(er *++, %nd

http://msdn.microsoft.com/en-us/library/windows/desktop/bb870880(v=vs.85).aspx















address space(physical si elimitedonly byphysicalmemory!

value"Window 'i t%# Limited only by ernelmode virtual addressspace" 'tarting withWindows 9ista with

'/8, system cachevirtual address spacecan also be limited bythe 'ystem>acheLimit registry ey value"

Window )omeSer(er. WindowSer(er *++,. %ndWindow X # 52;M*with Large'ystem>ache registry ey setand without 4G ? upto 445 M* with 4G "

Window X # 1p to 8 * depending oncon0guration and R$M"

/hysical Memory Limits Windows 6 he following table speci0es the limits on physical memory for Windows 6"

'er ion Limit on X86 Limit on X64

Windows 6 1ltimate 4 G* 8<+ G*

Windows 6 %nterprise4 G* 8<+ G*

Windows 6 /rofessional 4 G* 8<+ G*

Windows 6 @ome /remium 4 G* 82 G*

Windows 6 @ome *asic 4 G* 5 G*

Windows 6 'tarter + G* 3#$

/hysical Memory Limits Windows 'erver +;;5 R+ he following table speci0es the limits on physical memory for Windows 'erver +;;5 R+" Windows'erver +;;5 R+ is available only in 24-bit editions"




http://go.microsoft.com/fwlink/?LinkId=97918









'er ion Limit on X64 Limit on IA64

Windows 'erver +;;5 R+ &atacenter + *

Windows 'erver +;;5 R+ %nterprise + *

Windows 'erver +;;5 R+ for Atanium-*ased 'ystems + *

Windows 'erver +;;5 R+ .oundation 5 G*

Windows 'erver +;;5 R+ 'tandard )+ G*

Windows @/> 'erver +;;5 R+ 8+5 G*

Windows Web 'erver +;;5 R+ )+ G*

/hysical Memory Limits Windows 'erver +;;5 he following table speci0es the limits on physical memory for Windows 'erver +;;5" Limits greaterthan 4 G* for )+-bit Windows assume that /$% is enabled"

'er ion Limit onX86

Limit onX64

Limit onIA64

Windows 'erver +;;5 &atacenter 24 G* 8 *

Windows 'erver +;;5 %nterprise 24 G* 8 *

Windows 'erver +;;5 @/> %dition 8+5 G*

Windows 'erver +;;5 'tandard 4 G* )+ G*

http://msdn.microsoft.com/en-us/library/windows/desktop/aa366796(v=vs.85).aspx





Windows 'erver +;;5 for Atanium-*ased'ystems

+ *

Windows 'mall *usiness 'erver +;;5 4 G* )+ G*

Windows Web 'erver +;;5 4 G* )+ G*

/hysical Memory Limits Windows 9ista he following table speci0es the limits on physical memory for Windows 9ista"


Windows 9ista 1ltimate 4 G* 8+5 G*

Windows 9ista %nterprise 4 G* 8+5 G*

Windows 9ista *usiness 4 G* 8+5 G*

Windows 9ista @ome /remium 4 G* 82 G*

Windows 9ista @ome *asic 4 G* 5 G*

Windows 9ista 'tarter 8 G*

/hysical Memory Limits Windows @ome 'erverWindows @ome 'erver is available only in a )+-bit edition" he physical memory limit is 4 G*"

/hysical Memory Limits Windows 'erver +;;) R+ he following table speci0es the limits on physical memory for Windows 'erver +;;) R+" Limits over 4G* for )+-bit Windows assume that /$% is enabled"


Windows 'erver +;;) R+ &atacenter %dition 24 G*(82 G* with 4G !

8 *







Windows 'erver +;;) R+ %nterprise %dition 24 G*(82 G* with 4G !

8 *

Windows 'erver +;;) R+ 'tandard %dition 4 G* )+ G*

/hysical Memory Limits Windows 'erver +;;) with 'ervice /ac +('/+!

he following table speci0es the limits on physical memory for Windows 'erver +;;) with 'ervice/ac + ('/+!" Limits over 4 G* for )+-bit Windows assume that /$% is enabled"

'er ion Limit onX86

Limit onX64

Limit onIA64

Windows 'erver +;;) with 'ervice /ac +('/+!, &atacenter %dition

24 G*(82 G* with4G !

8 * + *

Windows 'erver +;;) with 'ervice /ac +('/+!, %nterprise %dition

24 G*(82 G* with4G !

8 * + *

Windows 'erver +;;) with 'ervice /ac +('/+!, 'tandard %dition

4 G* )+ G*

/hysical Memory Limits Windows 'erver +;;) with 'ervice /ac 8('/8!

he following table speci0es the limits on physical memory for Windows 'erver +;;) with 'ervice/ac 8 ('/8!" Limits over 4 G* for )+-bit Windows assume that /$% is enabled"

'er ion Limit onX86

Limit onX64

Limit onIA64

Windows 'erver +;;) with 'ervice /ac 8('/8!, &atacenter %dition

24 G*(82 G* with4G !

B24 8 * 8 *

Windows 'erver +;;) with 'ervice /ac 8('/8!, %nterprise %dition

24 G*(82 G* with4G !

B24 8 * 8 *

Windows 'erver +;;) with 'ervice /ac 8('/8!, 'tandard %dition

4 G* )+ G*











/hysical Memory Limits Windows 'erver +;;) he following table speci0es the limits on physical memory for Windows 'erver +;;)" Limits over 4 G*for )+-bit Windows assume that /$% is enabled"

'er ion Limit on X86 Limit on IA64

Windows 'erver +;;), &atacenter %dition 24 G*(82 G* with 4G !

:8+ G*

Windows 'erver +;;), %nterprise %dition 24 G*(82 G* with 4G !

:8+ G*

Windows 'erver +;;), 'tandard %dition 4 G*

Windows 'erver +;;), Web %dition + G*

Windows 'mall *usiness 'erver +;;) 4 G*

Windows >ompute >luster 'erver +;;) )+ G*

Windows 'torage 'erver +;;), %nterprise %dition 5 G*

Windows 'torage 'erver +;;) 4 G*

/hysical Memory Limits Windows B/ he following table speci0es the limits on physical memory for Windows B/"

'er ion Limit onX86

Limit onX64 Limit on IA64

Windows B/ 4 G* 8+5 G* 8+5 G* (not supported!

Windows B/ 'tarter %dition :8+ M* 3#$ 3#$

/hysical Memory Limits Windows %mbedded he following table speci0es the limits on physical memory for Windows %mbedded"








Windows B/ %mbedded 4 G*

Windows %mbedded 'tandard +;;< 4 G*

Windows %mbedded 'tandard 6 4 G* 8<+ G*

@ow graphics cards and other devices aCect memory limits&evices have to map their memory below 4 G* for compatibility with non-/$%-aware Windowsreleases" herefore, if the system has 4G* of R$M, some of it is either disabled or is remapped above4G* by the *AD'" Af the memory is remapped, B24 Windows can use this memory" B52 client versions

of Windows donEt support physical memory above the 4G* mar , so they canEt access these remappedregions" $ny B24 Windows or B52 'erver release can"B52 client versions with /$% enabled do have a usable )6-bit (8+5 G*! physical address space" helimit that these versions impose is the highest permitted physical R$M address, not the si e of the ADspace" hat means /$%-aware drivers can actually use physical space above 4 G* if they want" .ore ample, drivers could map the FlostF memory regions located above 4 G* and e pose this memory asa R$M dis "

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