Can a PC have more than 4G RAM?

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mECHwARRIORx2

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#1 mECHwARRIORx2
Member since 2004 • 1003 Posts
I always seem to see 4 G ram on the specs of the expensive PCs, and I'm just wondering if you can have more. I don't know much about hardware (I'm more into programming).
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crazy-player

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#2 crazy-player
Member since 2005 • 2909 Posts
Yeah, sure. But more than 4GB of RAM is just a waste, you won't see improvements.
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DeeJayInphinity

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#3 DeeJayInphinity
Member since 2004 • 13415 Posts
Definitely. You can make a PC with, say, 16gb of RAM.
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Kikouken

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#4 Kikouken
Member since 2006 • 15913 Posts
Im sure they can
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rocket9434

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#5 rocket9434
Member since 2006 • 2665 Posts

Definitely. You can make a PC with, say, 16gb of RAM.DeeJayInphinity

This is your answer.

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BladeOfHeaven

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#6 BladeOfHeaven
Member since 2006 • 6027 Posts

Yes, but depending on your OS it won't use more than 4g normally

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#7 lemonmanblugdo1
Member since 2005 • 839 Posts
You can go 64 gigs of RAM+
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zeriva

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#8 zeriva
Member since 2007 • 4531 Posts
Yes, but to me, the highest you should go is 2 GB. I mean any after just seems a waste to me.
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DeeJayInphinity

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#9 DeeJayInphinity
Member since 2004 • 13415 Posts
Yes, but to me, the highest you should go is 2 GB. I mean any after just seems a waste to me.zeriva
3gb is generally the cut-off these days. Depends on your OS, though.
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Mr_ToastMan

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#10 Mr_ToastMan
Member since 2008 • 203 Posts
you need 64bit xp or 64bit vista to make use of it.
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#11 comp_atkins
Member since 2005 • 38934 Posts
only with a 64bit os
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markop2003

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#12 markop2003
Member since 2005 • 29917 Posts

You can go 64 gigs of RAM+lemonmanblugdo1

not on PCs though, that's on servers and supercomputers and such

A typical motherboard can support 8gb with some allowing 16gb but 4gb is the usuall top as 2gb modules can be hard to get hold of (standard motherboards have 4 RAM slots).

Though a 32bit OS can only manage 4gb as it uses a 32bit long number to identify where each byte of data is stored. A 6 bit OS allows much more but there are compatibility issues with older programs. This applies to all memory including RAM,VRAM and cache

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#13 mECHwARRIORx2
Member since 2004 • 1003 Posts

[QUOTE="zeriva"]Yes, but to me, the highest you should go is 2 GB. I mean any after just seems a waste to me.DeeJayInphinity
3gb is generally the cut-off these days. Depends on your OS, though.

I like your sig :) most people wouldn't get it

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GeForce2187

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#14 GeForce2187
Member since 2006 • 2963 Posts

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

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markop2003

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#15 markop2003
Member since 2005 • 29917 Posts

Yes, but to me, the highest you should go is 2 GB. I mean any after just seems a waste to me.zeriva

Depends what you run and what uses the RAM. If you mean memory in total then that is not enough for high end gaming, 2.5gb is about the minimum with higher recomended if you want top graphical settings.

All these 4gb systems have appeard because DDR2 is so cheap, these PCs are also holding videocards that claim "up to 1gb memory" though this is takenfrom the central RAM so it's really slow.

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#16 DeeJayInphinity
Member since 2004 • 13415 Posts

[QUOTE="lemonmanblugdo1"]You can go 64 gigs of RAM+markop2003

not on PCs though, that's on servers and supercomputers and such

A typical motherboard can support 8gb with some allowing 16gb but 4gb is the usuall top as 2gb modules can be hard to get hold of (standard motherboards have 4 RAM slots).

Though a 32bit OS can only manage 4gb as it uses a 32bit long number to identify where each byte of data is stored. A 6 bit OS allows much more but there are compatibility issues with older programs. This applies to all memory including RAM,VRAM and cache

Yes. :D Now, let's talk about PCs with more than one processor. *drool*
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comp_atkins

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#17 comp_atkins
Member since 2005 • 38934 Posts

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

GeForce2187

16GB DDR2 dimms exist. though i'm not sure you can buy them for pc's :) server memory only

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#18 DeeJayInphinity
Member since 2004 • 13415 Posts

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

GeForce2187
You can get DDR2 modules with 2 gbs of memory. And they're cheap as pie. :o
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crazy-player

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#19 crazy-player
Member since 2005 • 2909 Posts
[QUOTE="GeForce2187"]

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

DeeJayInphinity

You can get DDR2 modules with 2 gbs of memory. And they're cheap as pie. :o

Oh, I love pie. :oops:

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markop2003

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#20 markop2003
Member since 2005 • 29917 Posts
[QUOTE="GeForce2187"]

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

DeeJayInphinity

You can get DDR2 modules with 2 gbs of memory. And they're cheap as pie. :o

not as easy to find though :(

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markop2003

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#21 markop2003
Member since 2005 • 29917 Posts
[QUOTE="GeForce2187"]

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

comp_atkins

16GB DDR2 dimms exist. though i'm not sure you can buy them for pc's :) server memory only

they'll be FBDIMM not DDR2, it's specialised server memory

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Mr_ToastMan

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#22 Mr_ToastMan
Member since 2008 • 203 Posts
[QUOTE="DeeJayInphinity"][QUOTE="GeForce2187"]

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

crazy-player

You can get DDR2 modules with 2 gbs of memory. And they're cheap as pie. :o

Oh, I love pie. :oops:

I like the poon tang flavor best.

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get-some-pie

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#23 get-some-pie
Member since 2008 • 724 Posts
[QUOTE="GeForce2187"]

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

DeeJayInphinity

You can get DDR2 modules with 2 gbs of memory. And they're cheap as pie. :o

Cereally?

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MysticGenie

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#24 MysticGenie
Member since 2005 • 1358 Posts

you need 64bit xp or 64bit vista to make use of it.Mr_ToastMan

Agreed. You'll only see real benefit if you upgrade to 64-bit system.

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#25 duxup
Member since 2002 • 43443 Posts
You're better off putting money into something else rather than 4 gigs of ram.
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#26 Mr_ToastMan
Member since 2008 • 203 Posts

You're better off putting money into something else rather than 4 gigs of ram.duxup

like a massage chair, try sitting in one of those.

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#27 comp_atkins
Member since 2005 • 38934 Posts
[QUOTE="comp_atkins"][QUOTE="GeForce2187"]

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

markop2003

16GB DDR2 dimms exist. though i'm not sure you can buy them for pc's :) server memory only

they'll be FBDIMM not DDR2, it's specialised server memory

fully buffered dimms still use DDR2 as the DRAM type. well some. they can use DDR or DDR3 as well.

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#28 kemar7856
Member since 2004 • 11789 Posts
on 32bit systems it is on 64bit you can have up to 128gigs of ram if ur motherboard supports it
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markop2003

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#29 markop2003
Member since 2005 • 29917 Posts
[QUOTE="markop2003"][QUOTE="comp_atkins"][QUOTE="GeForce2187"]

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

comp_atkins

16GB DDR2 dimms exist. though i'm not sure you can buy them for pc's :) server memory only

they'll be FBDIMM not DDR2, it's specialised server memory

fully buffered dimms still use DDR2 as the DRAM type. well some. they can use DDR or DDR3 as well.

but they don't fit in DDR2 DIMMs ;)

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comp_atkins

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#30 comp_atkins
Member since 2005 • 38934 Posts
[QUOTE="comp_atkins"][QUOTE="markop2003"][QUOTE="comp_atkins"][QUOTE="GeForce2187"]

I think that DDR2 memory is limited to 1GB modules if i'm not mistaken, so for DDR2 the limit is 4GB (1GB x 4 slots = 4GB). It might be 2GB though i'm not sure (which would be 8GB).

The new DDR3 will support higher GB per module though.

markop2003

16GB DDR2 dimms exist. though i'm not sure you can buy them for pc's :) server memory only

they'll be FBDIMM not DDR2, it's specialised server memory

fully buffered dimms still use DDR2 as the DRAM type. well some. they can use DDR or DDR3 as well.

but they don't fit in DDR2 DIMMs ;)

true.. they're not socket compatible. and i was using dimm as a generic definition not specifically to the DDR2 JEDEC standard. :)