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Ram Selection

Post Date: 2008-03-14
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MarkNY View Drop Down
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Posts: 476 		  Quote MarkNY Quote  Post ReplyReply bullet Topic: Ram Selection
    Posted: 14 Mar 2008 at 11:32am
OCZ Reaper HPC 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1150 (PC2 9200) Dual Channel
 
or
 
OCZ Reaper HPC 4GB(2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel
 
or
 
 
or
 
Any other recommendations? 
 
I'm currently using dominator 1066 PC2 6400, which I can't seem to find in 1066, only 800.  I'm looking to upgrade to 4gb, so I guess I will replace the two sticks I have and buy an additional two.  Any thoughts? thanks!
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Tyler Lowe View Drop Down
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Posts: 0 		  Quote Tyler Lowe Quote  Post ReplyReply bullet Posted: 14 Mar 2008 at 11:59am
Here's another kit:

G.SKILL 4GB(2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1000 (PC2 8000) Dual Channel Kit Desktop Memory


Originally posted by EVGA


EVGA Motherboard Memory Compatibility
*other memory modules may also work, the following are known compatible memory kits*

780i/680i Series Memory support

Standard Memory

Above 800 MHz(Above PC2 6400)
Kingston KHX9600D2D/2G
Kingston KHX9200D2/512
Kingston KHX8000D2K/2G
Kingston KHX7200D2K2/2G
Patriot PDC21G8000+XBLK
Patriot PDC21G8500 ELK
Crucial BL2KIT12864AL1005
G.SKILL F2-8000CL5D-4GBPQ
Mushkin XP2-1066




Edited by Tyler Lowe - 14 Mar 2008 at 12:01pm
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MarkNY View Drop Down
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Posts: 476 		  Quote MarkNY Quote  Post ReplyReply bullet Posted: 14 Mar 2008 at 12:19pm
Hey-
 
Thanks Tyler.  Should I select ram that is SLI ready- does it really make a difference?
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Tyler Lowe View Drop Down
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Posts: 0 		  Quote Tyler Lowe Quote  Post ReplyReply bullet Posted: 14 Mar 2008 at 12:37pm
I think "SLI ready" is mainly a branding strategy that is designed to get you to spend more $$$. I think making sure the RAM is confirmed by the manufacturer to be 100% compatible with your motherboard is much more important than a brushed aluminum badge on the heat spreader, and as far as I can tell, that is about the only thing "SLI ready" gets you.

When looking for RAM, I'd be on the lookout for: capacity, speeds that can keep up with my FSB setting, decent timings, dual channel, postive customer experiences, and price.... probably in that order.


Edited by Tyler Lowe - 14 Mar 2008 at 12:37pm
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MarkNY View Drop Down
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Posts: 476 		  Quote MarkNY Quote  Post ReplyReply bullet Posted: 14 Mar 2008 at 12:42pm
Thanks!
 
Well given my set up, and that I have a FSB of 1333- which ram would you select.  You seem to know what you are talking about and I'm pretty slow when it comes to computers!  I will be running windows vista 64 bit, so I am looking for 4gb.
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Tyler Lowe View Drop Down
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Posts: 0 		  Quote Tyler Lowe Quote  Post ReplyReply bullet Posted: 14 Mar 2008 at 12:55pm
Here's the math, so you'll know what you're looking at, and be able to make an informed buying decision, rather than taking my word for it:

FSB 1333MHz/4 = 333.25

333.25*2= ~ DDR2 667

This is your minimum recommended RAM speed. It represents a 2:1 ratio, and it will work just fine for your FSB setting.

I like to run at a 3:2 ratio or better to help offset latency. 4:3 is also fairly easy to achieve, so if that lands you at a RAM's rated speed, that would work for me also.

1333/3 = 444.33
2*444.33 = 888.66, so~800MHz with a mild overclock, or higher speed with an underclock and tighter timings.

1333/4 = 333.25
3*333.25 = ~1000MHz, or PC8000, which, combined with the guaranteed compatibility, good reviews, and value for the $$$ is what lead me to recommend the set I posted. I also prefer to populate only two slots as this requires less voltage on the northbridge, and people are generally reporting better stability at higher speeds than when all 4 DIMMs are filled.
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MarkNY View Drop Down
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Posts: 476 		  Quote MarkNY Quote  Post ReplyReply bullet Posted: 14 Mar 2008 at 3:10pm
Thanks Tyler.  I went with your recommendation- I couldn't pass up that price based on the stats and huge number of positive recommendations. 
 
Thanks again, appreciate it.
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