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Some advice on very close Memory specs

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February 26, 2010 6:09:08 PM

Am looking to build a new system and am lost on the memory specs. I understand Cas Latencies is important, but how important? I know nothing about how important the timing is or the voltage.

Any advice would be great. I picked out the below as these have good reviews and seemed to be quality parts. All are "about" the same voltage and CL is between 6 - 8.

Am looking for a very good gaming rig with intel i7 920, ASUS P6X58D Premium LGA, Sapphire HD 5870, an SSD and HHD, Corsair 850 CMPSU HX "or" TX Plus Silver...

Thank you for your time and your knowledge.

CORSAIR XMS3 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Model TR3X6G1600C8 G
CORSAIR DOMINATOR 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Model TR3X6G1600C8D
CORSAIR XMS3 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Model TR3X6G1600C7 G
Mushkin Enhanced Redline 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 Model 998692
G.SKILL Ripjaws Series 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 Model F3-12800CL8T

a b } Memory
February 27, 2010 8:29:31 AM

About the timings and voltages,lower numbers are better.
Between those the Muskin model has the lowest timings but its significantly more expensive than the others,so if you aren't going to OC then go for the cheapest one(G.skill model)otherwise the Mushkin model is the best choice for OC'ng
February 27, 2010 8:32:34 AM

Thank you very much Maziar. Will most likely get the Mushkin and OC them "a bit". Thak you again.
Related resources
a b } Memory
February 27, 2010 8:36:42 AM

No problem :) 
a b } Memory
February 27, 2010 10:31:12 AM


This article might be a good read for you, and what the different numbers are, and how they might have an impact on what your intended usage for the PC would be.
February 27, 2010 3:30:20 PM

lothdk said:
This article might be a good read for you, and what the different numbers are, and how they might have an impact on what your intended usage for the PC would be.

Thank you very much Lothdk for the information. Have a great weekend.
a b } Memory
February 27, 2010 3:42:57 PM

Rule of thumb .... DDR3-1600 at lowest latency you can afford. The reason you buy 1600 MHz RAM though is not to OC the memory....its so you can OC the entire system.

Stock Memory Option:
BCLK of 133 x 20 CPU Multiplier = 2.66 GHz
BCLK of 133 x 8 memory Multiplier = 1066 MHz

Memory Overclock Option:
BCLK of 133 x 20 CPU Multiplier = 2.66 GHz
BCLK of 133 x 12 memory Multiplier = 1600 MHz

System Overclock Option:
BCLK of 200 x 20 CPU Multiplier = 4.00 GHz
BCLK of 200 x 8 memory Multiplier = 1600 MHz

BTW, I have the Mushkin 998962's and am very satisfied w/ the purchase....fortunately for me tho, they were only $204 back in October
February 27, 2010 3:49:25 PM

JackNaylorPE said:
Rule of thumb .... DDR3-1600 at lowest latency you can afford. The reason you buy 1600 MHz RAM though is not to OC the memory....its so you can OC the entire system.

Stock Memory Option:
BCLK of 133 x 20 CPU Multiplier = 2.66 GHz
BCLK of 133 x 8 memory Multiplier = 1066 MHz

Memory Overclock Option:
BCLK of 133 x 20 CPU Multiplier = 2.66 GHz
BCLK of 133 x 12 memory Multiplier = 1600 MHz

System Overclock Option:
BCLK of 200 x 20 CPU Multiplier = 4.00 GHz
BCLK of 200 x 8 memory Multiplier = 1600 MHz

BTW, I have the Mushkin 998962's and am very satisfied w/ the purchase....fortunately for me tho, they were only $204 back in October

Thank you for the information JackNaylorPE. I don't quit understand this information but am going to read the articles and hopefully after that I will.

I am definable leaning towards teh Mushkins, either the 998692 or 998691. Thank you again and have a great weekend.

Oh Ya, my local computer store mentioned that NewEgg sells refurbished parts as new ones and that is why they can sell so cheaply. Any thing on this? Thank you.
a b } Memory
March 1, 2010 1:38:27 AM

Your local computer store is full of something that usually exits the rear of an animal.

As to the other stuff..... simply put, DDR1600 will let you OC the 920 to 4 GHz w/o reducing memory speed.
!