Help choosing RAM needed, urgently!

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1 Dec 2011
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5
Hi guys,

Could someone help me to choose RAM for my computer? My motherboard is Asus P5E64 WS Evolution:

http://www.asus.com/Motherboards/Intel_Socket_775/P5E64_WS_Evolution/#specifications

And in RAM compatible specification it says:

4 x DIMM, Max. 8 GB, DDR3 1800(O.C.)/1600(O.C.)/1333/1066/800 Non-ECC,Un-buffered Memory
Dual Channel memory architecture
*Overclock speeds
**When installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.

Currently I have two blocks of ram Corsair XMS3 CM3X1024-1066C7 (2 x 1GB), DDR3 SDRAM, with timings7-7-7-20.

My questions are:

1. Would it be possible, to buy RAM with speed 1800 or 1600 mhz, I know it says it will work overclocked only, as per manual, so do I need to O.C it and how?

2. Which of them are suitable for my system:
• Corsair 4GB DDR3 1600MHz XMS3 Memory Module CL9 (9-9-9-24) 1.5V
• Corsair 4GB (2X2GB) DDR3 1600mhz Vengeance Blue "LOW PROFILE" Memory Kit CL9 V1.5
• Corsair 4GB DDR3 1600mhz Vengeance Memory Module CL9 1.5V Non-ECC Unbuffered
3. Overclocking means setting voltage to 1.65 and setting latency to a different value, if my Motherboard can handle 1800 mhz how do I O.C it?
Currently I have only 1066 mhz, but I would like to run RAM as fast as it’s possible if my motherboard can handle it. I’m not giving links here, where I found them to buy, as it will breach rules on this forum. You can write me just specification for the RAM to buy, and I can find them myself.

Any help would be greatly appreciated from anyone.

Many thanks!
 
And how about these ones:

Corsair Memory Dominator 4GB DDR3 1600 MHz CAS 9 DHX XMP Dual Channel Desktop
CMP4GX3M2A1600C9 - 4GB (2x2GB) Corsair Dominator DDR3 PC3-12800 (1600), CAS 9-9-9-24, XMP, DHX, New connector, 1.65V


Which ones to buy recommended Kingston above or corsair?
 
And how about these ones:

Corsair Memory Dominator 4GB DDR3 1600 MHz CAS 9 DHX XMP Dual Channel Desktop
CMP4GX3M2A1600C9 - 4GB (2x2GB) Corsair Dominator DDR3 PC3-12800 (1600), CAS 9-9-9-24, XMP, DHX, New connector, 1.65V


Which ones to buy recommended Kingston above or corsair?

These are, I assume, more expensive than the Kingston but won't offer any benefit.

If you want a decent 4GB 1600MHz kit then:

Kingston HyperX Blu 4GB (2x2GB) DDR3 PC3-12800C9 1600MHz Dual Channel Kit £20.99

or

Kingston HyperX Genesis Grey 4GB (2x2GB) DDR3 PC3-12800C9 1600MHz Dual Channel Kit £21.95

The HyperX Genesis Grey are very popular.
 
Eventually got them!

Now I've question, which timings and voltage should I used to get them overclocked as much as possible? At the moment I have 9-9-9-24 and 1.65 V and it gives 1600 Mhz. In CPU-Z under the dram frequency it says 800.9 Mhz x 2 gives more than 1600 mhz, I'm right?

Can I go faster? My motherboard is listed above.
 
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