New Rig, a few questions


Jun 5, 2011
Sony Optiarc CD/DVD Burner Black SATA

GPU: MSI R6950 Twin Frozr II OC Radeon HD 6950 2GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card ...

MEMORY: CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model

CPU: ASRock P67 EXTREME4 (B3) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard

COOLER: COOLER MASTER Hyper N 520 RR-920-N520-GP 92mm Sleeve CPU Cooler Intel Core i7 compatible

PSU: COOLER MASTER GX Series RS750-ACAAE3-US 750W ATX12V v2.31 SLI Ready 80 PLUS BRONZE Certified Active PFC
CASE: COOLER MASTER HAF 912 RC-912-KKN1 Black SECC/ ABS Plastic ATX Mid Tower Computer Case

CPU:Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor
HDD: Seagate Barracuda ST31000524AS 1TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive

Total: 987.91


1. Is the 2gb 6950 worth the extra over the 1gb, if I intend to play on 1080p for awhile til I can afford 2 more to play in eyefinity

2. Is 750watts enough to power 2 6950's

3. Is 8gb of Ram overkill or will 4 be enough, I do intend to mulitask, this rig will be entirely for gaming

4. Any suggestions on any parts

That RAM is tall might have problems with the heatsink, get one of those:

Get the 2GB video card if you plan more than one display.

Get this PSU, it's better:

(get the Spinpont F3 anyway)

1) The 2gb version is probably worth it for triple monitors. I don't think I would pay the price premium for the MSI coolers.
I think I might go ahead and pay a bit more for a 2gb 6970. You may never need a second one for eyefinity. By the time you do, the next generation of cards should be out.

2) The cards require 2 6 pin pci-e power connectors, and most 750w psu's have 4. You should be OK.

3) Ram is cheap. It is best to get all your ram in one kit to insure compatibility.
Here is a study on some benefits of 8gb ram:

4) Suggestions:

Why get a P67 based motherboard when Z68 is not more expensive?

For example, this Gigabyte Z68 costs less:
Of interest to you would be the ssd cache capability for a hard drive.

I like coolers with larger 120mm fans. 92mm fans are not as efficient, and can be noisy when they spin up under load.
The hyper 212 is only $10 more. There are others in that price range.

What will you use for a Hard drive?
A 1tb drive will be a bit faster, even if you don't need the capacity.
WD black or Samsung spinpoint are good.

If you can find the budget for it, include a ssd of some sort. It will make everything feel so much quicker.
Expect to pay $100 for a 40gb Intel 320 drive. Use it for the OS, or as a cache for a larger HDD.

------good luck---------

mgf derp

Jun 3, 2011
Check out that combo, add the 6950 (see if you could get the 6970/570). And yes the combos 630w psu is enough for a single 6950/6970 and a 2500k and includes headroom for overclocking. Actually 630w is enough for crossfire 6950's Except the included psu doesnt have enough connectors but o well
6950 200w tdp
2500k 95w tdp
Z68 7w tdp
HDD 20w
DvD 20w
120mm fan 1w-2w per fan
Call it 400w with one 6950 600w with two.


Jun 5, 2011
Wow thank you for the combo recommendation MGF Derp. I think I will go with that, I liked the look of the HAf 912 but that case included more fans, that combo saves quiet a bit of money.

What does everyone think of this combo with a 6950, and why pay extra for a 6970 when everyone is continually preaching about the ease of flashing a 6950 to a 6970.


Jun 5, 2011
Will the ram included in this combos obstruct the heat sink? and is a heat sink completely necessary if I do not intend to over clock any time soon.

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