Hiya Guys! First post, first build! After traipsing though countless threads after weeks on tomshardware.com I have finally signed up to get some advice.
I live in the UK so the prices for components are not as competitive as in the US so please bear that in mind. My total budget is £700, but it can vary up to 10% if absolutely necessary
Ok I'm building this build for gaming (mainly) and heavy multitasking. I would appreciate any modifications/advice you may have regarding the components of the build. Especially the case to which I have not decided on yet:
Case = Not sure yet but I desperately need a quiet pc that has sound insulation to help bring the machine under 30-35 db, is big enough with good air flow and room for a little expansion - I don’t want a full tower if I can help it. - (up to £75 budget for this one)
Power supply = Corsair 650W TX Series PSU - 120mm Fan, 80+% Efficiency, Single +12V Rail - (£75)
CPU Cooling = I'm not sure if I need this or just use the stock fan that comes with a processor, let me know. Will be O/C the quad to 3.0 GHz via changing the FSB to 333 MHz.
Video Card: Sapphire HD 4770 512MB GDDR5 Dual DVI HDTV Out PCI-E Graphics Card - (£80) (will be buying another to use in crossfire in near future)
Hard Drive = Western Digital 640GB Hard Drive SATA300 7200rpm 32MB Cache Caviar Black – OEM - (£57) (will be buying another in the near future to use in RAID 1 mode)
CD/DVD Burner = Samsung SH-S223F 22X DVD?RW/RAM/DL Serial ATA Black Bare Drive – OEM (two of them) - (£30)
Looks great to me. I don't think you will need another CPU cooler for now. But you must understand most stock coolers don't last long if you OC. Try to use a very low voltage on your CPU and FSB, and your RAM should give you very good bandwith if you don't go over 3.0GHz.
If i were you, i would look into other cooling option just incase you decide to change your mind later. Also, getting a big enough case to support your graphics card and CPU cooler (if changed) is important. Running on air will require a few good 120mm fans to run at good speed. You can always change to fans with higher RPM's too...
Nice build! I'd go for something by Cooler Master as far as a case... They've got some really nice mid-towers for ~$50-80. They also make nice CPU coolers - check out the Hyper-TX2. Xigmatek also makes great CPU coolers.
As long as you're going to CrossFire two cards, the 4770 sounds like a great video choice.
You could probably go with a 550 VX PSU if this is your final build; I doubt (even with CrossFired 4770s) that you'll draw more than 450 watts.
@cpt deadboots, if you factor in the 80% efficiency then he'd need a 600w PSU for a 450w power draw.
If you have a 450W power draw, then an honestly labeled PSU claiming 450W (say Corsair 450VX) should be able to handle it, regardless of efficiency. If it has 80% efficiency, it will consume 562.5W from the wall, waste 20%, deliver the other 450W to the parts that need it.
That being said, you are perfectly correct anyway. If you have a power draw of 450W, using a 450W PSU is a very bad idea. It would work at 100% load, with lower efficiency, more heat, more noise, shorter lifetime. A 650TX would handle a 450W load MUCH better than a 450VX.
I'm just trying to guess here: a quad, with OCing, needs about 100W to 150W. Two HD 4770 cards - about 80W each. Hard drives: 10 W each (or less). That setup should need about 450W indeed, depending on the CPU type, how high it's overclocked, number of fans, PCI cards, etc.