Should I upgrade my PSU?

Combatmed1 · Sep 17, 2013

I am looking to either add another GPU for SLI, or purchase an HD 7990. Will I need to upgrade my PSU to something of a higher wattage?

System Specs:

Case-Cooler Master HAF X 942
Motherboard-Gigabyte Z77-UD5H
CPU-I7 3770k @ 4.5GHz
GPU-EVGA GTX 670 FTW/core clock 1091MHz/boost clock 1170MHz
RAM-16Gb High Speed Kingston HyperX 12800 @ 1600MHz
Boot Drive-Samsung 840 PRO 256Gb ssd
Storage Drive-Seagate Barracuda 2TB 7200rpm
Disc Drive-LG 24X Multi-DVD Burner12X
PSU-Rosewill 850W
Peripherals-Razer DeathAdder mouse, Logitech Extreme 3D PRO stick, Razer BlackWidow Ultimate

Dark Lord of Tech · Sep 17, 2013

No , your PSU is more than sufficient to run either option you want to do.

If it's a Capstone , Lightning , or Tachyon series version of a Rosewill , they are great PSU's made by Super Flower.

egilbe · Sep 17, 2013

850 watts should be enough, but I've had enough bad experiences with Rosewill power supplies that I'll never trust another one again.

Combatmed1 · Sep 17, 2013

egilbe :

I have heard horror stories about Rosewill, and I have also heard people praise them. I guess it is like most things in life, sometimes you get the cream, and sometimes you get the clabber.

Dark Lord of Tech · Sep 17, 2013

If it's a Capstone , Lightning , or Tachyon series version of a Rosewill , they are great PSU's made by Super Flower.

cuecuemore · Sep 17, 2013

SR-71 Blackbird has it right, if it's from one of their high quality lines he listed, then you're good.

Combatmed1 · Sep 17, 2013

This is the one that I have. http://www.rosewill.com/products/700/productDetail.htm

Dark Lord of Tech · Sep 17, 2013

I would upgrade your PSU , that Rosewill isn't very good.

Here's a nice unit made by SUPER Flower

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: EVGA SuperNOVA 750W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($89.99 @ Microcenter)
Total: $89.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-17 23:24 EDT-0400)

Here's a nice unit made by SEASONIC.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: Antec HCG M 750W 80 PLUS Bronze Certified ATX12V Power Supply ($69.99 @ NCIX US)
Total: $69.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-17 23:25 EDT-0400)

Combatmed1 · Sep 17, 2013

I could prob spend around $200-250 on a new psu

Dark Lord of Tech · Sep 17, 2013

1000w \ Platinum Certified \ Seasonic made \ FULL Modular \ $169.99

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX ProSeries 1000W 80 PLUS Platinum Certified ATX12V / EPS12V Power Supply ($169.99 @ NCIX US)
Total: $169.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-17 23:35 EDT-0400)

1000w Seasonic made

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: Cooler Master V1000 1000W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($129.99 @ Newegg)
Total: $129.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-17 23:45 EDT-0400)

1000w \ Made by Super Flower

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: EVGA SuperNOVA 1000G2 1000W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($169.99 @ NCIX US)
Total: $169.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-17 23:46 EDT-0400)

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Should I upgrade my PSU?

Combatmed1

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egilbe

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cuecuemore

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