What Psu could work best?

MItch_B · Jan 9, 2016

I have an off brand PSU that has served me well, but with how expensive the parts I am ordering are, I can't risk losing all of them with all the time I spent saving for the parts. My build:
CPU: I7-4790k
Mobo: MSI Z97s Sli krait Edition
Ram: Kingston Hyperx Fury Black 2x8
Storage: 7200rpm HDD (Already owned)
Graphics Card: EVGA GTX 970 SC ACX 2.0 (already owned)
PSU: ??????????
Case: Haf 912 ATX MIdtower

I was looking into the EVGA B2 750 watt and 850 watt, but I don't know how well EVGA performs when it comes to a PSU. My max I will spend on a PSU is $100.

Zerk2012 · Jan 9, 2016

Either of those would work the 850 watts would allow for using 2 of the video cards is SLI.
If your just going to run a single card then I would look at the EVGA G2, P2, or GS series in the 650 watt range that will allow for really any video card to be used in the future.

Gallarian · Jan 9, 2016

If you get a lot more wattage than you need (like 750+), your PSU wont actually be working efficiently, as most only reach their proper efficiency rating at 80% usage and above, so unless you plan to double up your GTX 970s in the future, stick to 600 or below.

With your system I'd recommend a nice 550 watt such as the EVGA Supernova GS 550 (80+ Gold), which as you can from my signature powers my 980ti system perfectly.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817438049&cm_re=evga_supernova_550-_-17-438-049-_-Product

sizzling · Jan 9, 2016

That system would work on a good quality 500w, I would buy a 600w as I don't like making PSU's work hard as there is no need and it gives headroom for future upgrades. A tier 1 600w would be ideal http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html

Would you consider sli in the future? If yes then an 800w or greater would be best

Dark Lord of Tech · Jan 9, 2016

PCPartPicker part list / Price breakdown by merchant

Power Supply: EVGA 750W 80+ Gold Certified Semi-Modular ATX Power Supply ($71.50 @ Newegg)
Total: $71.50
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-01-09 10:47 EST-0500

Sneezer · Jan 9, 2016

MItch_B :

Other have suggested good PSUs but here's a little more info:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i7-4790K 4.0GHz Quad-Core Processor ($329.89 @ OutletPC)
Motherboard: MSI Z97S SLI Krait Edition ATX LGA1150 Motherboard ($114.99 @ SuperBiiz)
Memory: Kingston HyperX Fury Black 16GB (2 x 8GB) DDR3-1866 Memory ($74.87 @ OutletPC)
Storage: Western Digital BLACK SERIES 2TB 3.5" 7200RPM Internal Hard Drive ($119.75 @ OutletPC)
Video Card: EVGA GeForce GTX 970 4GB Superclocked+ ACX 2.0 Video Card ($377.59 @ B&H)
Total: $1017.09
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-01-09 10:56 EST-0500

This breaks down your current components, not including the case (couldn't find it on PCPartPicker) and shows you'll need at least 400W. I wouldn't skimp, especially if you plan on doing any upgrades. The card itself needs 145W which means that you'll need 550W for a second card in SLI. I'd shoot for at least 750W to give yourself more room for upgrades, outside of a possible second graphics card.

I'd go with the one suggested by SR-71 Blackbird:
EVGA 750W 80+ Gold Certified Semi-Modular ATX Power Supply

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What Psu could work best?

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