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  Need recommendation for PSU on build. 
 Date Written 
BlazeYDH Dec 06, 2014, 04:22am EST Report Abuse
Here's my current build, have some of the stuff ordered already. Wondering if the PSU on the part list will be sufficent with extra headroom. I do want to OC in the future but i would need to upgrade CPU cooler first.

If that PSU won't suffice, looking for recommendations under $100. Also looking for 8-16GB ram recommendations under $100 if possible. This is a gaming setup.

Thank you.

PCPartPicker part list:
Price breakdown by merchant:

CPU: AMD FX-8320 3.5GHz 8-Core Processor
Motherboard: Gigabyte GA-990FXA-UD3 ATX AM3+ Motherboard
Video Card: XFX Radeon R9 280X 3GB Double Dissipation Video Card (2-Way CrossFire)
Video Card: XFX Radeon R9 280X 3GB Double Dissipation Video Card (2-Way CrossFire)
Case: Deepcool TESSERACT SW ATX Mid Tower Case
Power Supply: Corsair CX 750W 80+ Bronze Certified Semi-Modular ATX Power Supply
Operating System: Microsoft Windows 8.1 Pro - 64-bit (OEM) (64-bit)
Total: $522.96
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-12-06 05:53 EST-0500

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john albrich Dec 06, 2014, 09:43am EST Report Abuse
>> Re: Need recommendation for PSU on build.
Blaze said,
Also looking for 8-16GB ram recommendations under $100 if possible. This is a gaming setup.

I've seen some very recent deals at Newegg for 2 "matched" 4GB RAM 1866MHz modules at US$51 up to 2400MHz at $59 (I'm pretty sure it was GSkill or I wouldn't have been interested enough to remember). However, those were discount email offers not published on their website (you have to be on their list). The low prices may not be repeated before the holiday gift season.

On many if not all their modules GSkill has a lifetime warranty. I've used GSkill, Corsair, and PNY brands for builds since DDR3 came out, without encountering a single bad DDR3 module from any of the three brands, but have disparate results even in the same brand using "matched" pairs, when attempting to overclock the RAM over 5% of the rated speed (IMO as a practical matter, it's not really worth the effort to OC for just 5% over spec).

Some GSkill heatsinks can also interfere with installing some CPU air coolers.

Also, how the CPU/system manages memory interleaving can also affect performance. For example, 2x4GB at 1866MHz may be faster than 1x8GB at 1866MHZ with no OC effort.

However, check your CPU and system re RAM speed maximums. Some AMD CPUs and/or motherboards do NOT support memory speeds over 1866MHz RAM very well despite what may be on the memory specs, and buying faster memory may be a waste of money...and if overclocking, then tweaking CPU, Northbridge, and memory voltages, etc may not be as viable/stable under those limitations.

Graham Strong Dec 06, 2014, 11:29am EST Report Abuse
>> Re: Need recommendation for PSU on build.
For what it's worth, and my recent build was not made for gaming but video editing.
I recently built a Gigabyte GA990XA-UD3. I chose this MB 'cos I needed the firewire socket and not bothered about double graphics cards (although it will if I need to).
I'm using a AMD FX8350 x8 core @ 4.0Ghz CPU and decided on Corsair Vengeance Pro RAM (2x8GB) DDR3 1866Mhz CL9. I read that the CL factor is quite important and higher speed RAM have lower CL's.
I chose this because I had previously used this brand in a laptop and very impressed with the Windows Experience Index (I'm using W7). Although it may not be running at the quoted speed, I get a 7.8 (out of 7.9) index figure. Also using a Crucial 256Gb M550 SSD which gives a 7.9 index. I'm impressed with the way it drives.
Would def. recommend the modular PSU's, I'm using a Cooler Master 620w which I had in my previous build. Less cables inside to clog the airways!



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