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New mid-range build

Last response: in Systems
August 18, 2009 2:50:32 PM


1. Is the stock fan that comes with the CPU going to be OK ? It doesn't have to be silent and I'm not overclocking so I am hoping the stock heat-sink and fan will work.

2. Will the PSU support crossfire of two 4870's ? I am not overclocking and only using one hard-drive and one dvd-bay... very minimal power build so I was hoping this 650W could handle two cards if he wants to add another one down the road. NOTE: Only one card will be used initially, just wondering about crossfire potential in 2 years.

3. With only one 4870 will it handle two monitors easily? One 22" the other a 17". There will be no video editing or anything hardcore.

CPU: AMD Phenom II X3 720 2.8GHz 3 x 512KB L2 Cache 6MB L3 Cache Socket AM3 95W Triple-Core Black Processor - Retail
MOBO: GIGABYTE GA-MA790X-UD4P AM3/AM2+/AM2 AMD 790X ATX AMD Motherboard - Retail
RAM: G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D-4GBPK - Retail
HDD: Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive - OEM
PSU: CORSAIR CMPSU-650TX 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 ... - Retail
GPU: XFX HD-487A-ZHFC Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
DVD: LG DVD Burner Black SATA Model GH22NS50 - OEM
Case: COOLER MASTER RC-690-KKN1-GP Black SECC/ ABS ATX Mid Tower Computer Case - Retail

More about : mid range build

August 18, 2009 3:00:37 PM

with no overclocking, stock HSF should work fine.

That PSU should handle 2 4870s, but the only reason to get 2 is if you plan on doing hardcore gaming. Since your largest monitor is only 22" to begin with, you don't need tons of extra graphics power. If you're willing to pay for 2 4870s, you could just get a 4890 now and leave it at that.

you should have no problem driving 2 monitors with a 4870 for normal computing tasks. I have an ancient 8800 GTX that does just fine with my pair of 24" monitors at 1920x1080 resolution. For gaming I drop the resolution down to 720 since my card is a few generations old now.
August 18, 2009 3:01:06 PM

If you're not overclocking, then the stock heatsink/fan is fine. The 650w Corsair will power 2- 4870s in crossfire, i usually recommend getting a 750w if you're buying new since the cost difference is $20 and the 750w has more headroom and runs at a very efficient level at 40%-60% of it's rated power. Yes, the 4870 will handle 2 monitors easily.
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August 18, 2009 3:41:02 PM

Since you're not overclocking the stock heatsink is good enough. Your 650w will do the trick, but I would suggest a 750w because that is enough for 2 gtx 285's and you will be needing that power in the future.

A single 4870 is enough for 2 monitors, very nice CPU though =] let us know how it runs in games.
August 18, 2009 4:06:05 PM

***Can someone recommend a better PSU? I don't think I need all that power for only 1 HDD, 1 Dvd-bay, no overclocking, and it sounds like I'll only need one 4870 for the life of the computer. I want modular cabling since I have so few components.

Also, if I can scale back on the mobo since I won't crossfire please suggest something.

Best solution

August 18, 2009 4:21:45 PM

The PSU in this combo isn't modular, but is a high quality PSU that could easily power your system with a single GPU. $187.99 (Phenom II X3 720 + Antec TruePower TP-550 550W PSU)

I would swap the motherboard and RAM for these if you're sure you don't need crossfire:

GIGABYTE GA-MA770T-UD3P AM3 AMD 770 ATX AMD Motherboard - Retail $84.99

Patriot Viper 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop Memory Model PVS34G1600LLK - Retail $84.99

Edit: If you really want a modular PSU, one of these would also work:

SeaSonic M12II SS-500GM 500W ATX12V 2.2 /EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS Certified Modular Active PFC Power Supply - Retail $89.99 - $10 MIR

SeaSonic M12II 500 Bronze 500W ATX12V V2.2 / EPS12V 2.92 80 PLUS BRONZE Certified Modular Active PFC Power Supply - Retail $99.99 (The Bronze certification on the PSU means it has up to 85% efficiency)

OCZ ModXStream Pro OCZ500MXSP 500W ATX12V V2.2 / EPS12V SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC Power Supply compatible with core i7 - Retail $59.99 - $20 MIR (I haven't seen a competent review of this PSU yet)
August 18, 2009 5:48:06 PM

I'm going with the 770 mobo since I'm not crossfiring.

Good call on that combo, I have an Antec and I'm very happy with it... going to get that processor/PSU combo.

I'm a bit hesitant about the SDRAM DDR3 but it looks like it checks out OK with reviews... I'll be running it at stock 1333. I'm going to give it a shot since it's faster and only about $10 more than what I had before.

Thanks for your help.
August 18, 2009 6:25:18 PM

Any time. That's a nice looking build. :)