Memory and MB question

Hello, I would like to upgrade my computers memory with http://www.newegg.com/Product/Prod [...] 6820231405
Would this work well with my system and If I purchased 2 for a total 24gb would
it work well together. I use it mostly for gaming and the specs are below. Also how can I tell what motherboard is in my system? I see on the site it list P55 or X58 but not sure how to tell the difference. I'm guessing X58 but have no idea. Thanks.


-- Alienware Aurora --
-----------------------
-- 2nd Processor --
-- Intel® Core™ i7 920 2.66GHz (8MB Cache) Quad Core Processor
-----------------------
-- Memory --
-- 6GB Triple Channel 1333Mhz DDR3
-----------------------
-- Video Cards --
-- Dual 1GB GDDR5 ATI Radeon™ HD 5870 Crossfire™ Enabled
-----------------------
-- Hard Drive --
-- 1TB - SATA-II, 3Gb/s, 7,200RPM, 32MB Cache HDD
-----------------------
-- Operating Systems --
-- Genuine Windows® 7 Home Premium, 64bit, English
-----------------------
-- Optical Drive --
-- Single Drive: 24X CD/DVD burner (DVD+/-RW) w/double layer write capability
-----------------------
-- 2nd Hard Drive --
-- 1TB - SATA-II, 3Gb/s, 7,200RPM, 32MB Cache HDD
-----------------------
-- Cooling Option --
-- Alienware™ High-Performance Liquid Cooling
-----------------------

Welcome to Tom's Forum!

OEM MOBOs are tough, and therefore 'I' would STRONGLY recommend that you verify with G.SKILL. Also, those kits are deactivated. I get 'hysterical' with Dell or any OEM because I've lost count how many issues there are problems with 1.65v or high density 4GB RAM sticks. Alienware 'generally' allows more access to the BIOS.

Next problem, Windows 7 Home Premium x64 is limited to 16GB; so to utilize 24GB you'll need to upgrade to either Window 7 Pro x64 or Ultimate x64. link -> http://msdn.microsoft.com/en-us/li [...] s.85).aspx Further, I did look to make certain that Dell/Alienware supports 24GB; I assume what you have is the same -> http://configure.us.dell.com/dells [...] are-aurora

Q - In your OEM BIOS does it allow you to access DRAM Voltage and QPI/DRAM Voltage? I realize those kits are 1.5v @ rated speed.

In general, RAM @ SPD and Rated frequencies with 1.50v in Tri Channel sets 'should' work without the need for voltage adjustments. Most RAM in Tri Channel kits are for the X58 chipset and LGA 1366 MOBOs.

Crucial -> http://www.crucial.com/store/listp [...] A%20(DDR3)

Thanks for the reply and info. Did not know my Windows 7 was limited to 16gb. I will ask the over at G.Skill to see if it will work. I see newegg does not have it anymore but I know someone who is selling them and thinks it will work with my computer but want to make sure before I purchase.

Sry one more question. I tried to register with G.Skill to ask the question on the memory I post but If it's in doubt I'd rather not get it. Would this be a better choice http://www.newegg.com/Product/Prod [...] 6820231312 I figured if 16gb is my max I would get these instead of 12gb. Thanks for your help.