Gaming rig, few questions

Firstly, I want to thank to everyone on this website for all the great articles. I think your help is very much appreciated by a lot of people.
I've finally decided about a new gaming system build, but i have a few questions to address to the awesome community of Tom's Hardware.
The system i've been thinking about looks like this:

CPU: AMD Phenom II x4 965 Black Edition 3.4ghz (HDZ965FBGMBOX)

MB: Gigabyte GA-MA790FXT-UD5P

RAM: 2x2GB Kingston HyperX DDR3 1600mhz CL9 (KHX1600C9D3K2/4G)

HD: Samsung Spinpoint F3 1TB 7200rpm 32MB (HD103SJ)

Video: 2x Sapphire HD5850 (11162-00-40R)
(i'll buy only one in the beginning, add another later)

PSU: Corsair CMPSU-750TXEU

Case: RAIDMAX Aztec Black (RMX-AZBK)

Optical: DVD-Writer LG GH22NS50 (GH22NS50)

I'd also like to specify i'll play on 1960x1080 or 1960x1200 resolution.

1. I decided to use an AMD platform because of the 790FX chipset which provides 16x/16x lanes in crossfire at a much lower price than the x58 chipset, and also for the better upgrade path of amd platforms. Should i go with i5+ 8x/8x mobo? That would cost more but is it really better?

2. Maybe this is a stupid question but will the Phenom II x4 965 bottleneck the 2x 5850? (I know there are specific games that rely more on cpu, but thats another story)

3. I'm still not sure if the 5850's fit in the Aztec case. Anyone can help?

4. About the memory.. Kingston released 2 2x2gb DDR3 1600mhz CL9 kits, one with higher voltage (1.7-1.9) and one with lower voltage (1.65) suited for i5 and i7 platforms. Should i buy the normal version or the XMP (lower voltage) version?

Also, if anyone has any good criticism or any better ideas for the build, they are very welcome.

Thanks alot!
10 answers Last reply
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  1. Maybe look for RAM with lower timings.

    Can you spend the extra for a 5870 now and get another 5870 later?

    Also, maybe just get a 955 instead of the 965.

    Looks good though! GL!
    I would post more specifics, etc but I am at work! GL!
  2. Well i think you're right, 955 same thing as 965 because of C3 stepping on 955 now :D
    And with that trade-of i can get Corsair 1600mhz CL7 memory :D
    Well, about the 5870...maybe i could make a big effort and get one..but i really don't think it's worth it.. its like max 15% improvement for 1.5x the price
  3. Well, you are probably right about the GPU!

    Getting the faster RAM and the 955 instead of the slower RAM and the 965 is a great trade IMO!

  4. Thanks a lot for pointing things out :) i will place my order in like 2 hours :D
  5. NP!
  6. The case is quite noisy and you have to open that door each time you use the USB or DVD writer. Buy the low voltage RAM but there's no big difference between 1333 and 1600.
  7. For Ram ill buy Corsair 1600mhz CL7 which is better than both.
    Which other cases do you recommend for that system? The Aztec looked pretty solid and with quite good airflow, and it also looks awesome so that's why i chose it.
  8. Well, you can get that one if you don't mind what I wrote. You can buy later better fans. This one looks bad and it's better, big fans, black interior & stuff, maybe you like it:
  9. Sorry, I floated away there for a minute.

    Well, case is a personal preference of course.

    The Aztec is a good case, but I am a fan of Antec Illusion series cases.

    The Corsair RAM kits are good, maybe check out Gskill cas 7 kits also.
  10. Gskill not available here :( can i find out if the 5850's fit in the Aztec? oO
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