Will my power supply handle a GTX 770

podhob · Sep 23, 2014

I have my build but i want to upgrade to a 770, will my PSU handle the card long term?

Here's my built.

CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor
Motherboard: ASRock H97M-ITX/AC Mini ITX LGA1150 Motherboard
Memory: Kingston Fury Black Series 8GB (1 x 8GB) DDR3-1866 Memory
Storage: Kingston SSDNow V300 Series 60GB 2.5" Solid State Drive
Video Card: Gigabyte GeForce GTX 770 2GB WINDFORCE Video Card
Case: Silverstone RVZ01B Mini ITX Desktop Case
Power Supply: Silverstone Strider Gold 450W 80+ Gold Certified Fully-Modular SFX Power Supply

Galaticnova · Sep 23, 2014

you might want to upgrade it to a 650w psu, as a 600w psu is recommended for gtx 770

theonerm2 · Sep 24, 2014

I wouldn't upgrade to a GTX 770 unless you're getting a very good deal on it. The GTX 970 is the same price as a GTX 770. Go for one of these http://www.ncixus.com/products/?usaffiliateid=1000031504&sku=59616&vpn=P1650SNLB9&manufacture=XFX&promoid=1343 if you wan to also upgrade your psu.

Dark Lord of Tech · Sep 24, 2014

A GeForce GTX 770 needs 42 amps on the 12v + rail and a 550w - 600w power supply with 1 - 6 pin and 1 - 8 pin PCIE power connections.

Your Silverstone PSU ONLY HAS 37 AMPS on the 12v + rail and isn't sufficient to power a 770.

PCPartPicker part list / Price breakdown by merchant

Video Card: Asus GeForce GTX 970 4GB STRIX Video Card ($349.99 @ Amazon)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($54.99 @ NCIX US)
Total: $404.98
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-09-24 00:49 EDT-0400

Plofo · Sep 24, 2014

No.

That psu would be really tight considering the rest of the specs, and from what I see, this Silverstone 450W 80+ Gold doesn't have the 2x8pin for the 770GTX (or 1x8pin and 1x6pin, depending on the manufacturer of the 770GTX you want to buy).

Take in account that THESE are the minimum power requirements by GPU.

So, if I were you, I'd upgrade to a 550W/600W 80+ Bronze/Silver PSU, and as @theonerm2 says, buy the 970GTX, as it has a similar price and performs 15-20% better (http://www.tomshardware.com/reviews/nvidia-geforce-gtx-980-970-maxwell,3941-10.html - http://www.hwcompare.com/18043/geforce-gtx-970-vs-geforce-gtx-770/).

GPU: 970 GTX ZOTAC $329
+
PSU: XFX 550W +80 BRONZE $54.99
--------------------
$383.99

Hope I helped

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Will my power supply handle a GTX 770

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