Need help picking a psu

DannyBWell24 · Jan 27, 2014

I am new to pc building and need help picking a psu the parts I'm using on my build

Msi z87-g45 motherboard
Nvidia gtx 760
Western digital 1 tb hard drive
Asus bluray player
Samsung 120 gb ssd

And I also need connections for 3 fans that are on the case I'm getting and a fan controller the nvidia gtx 760 says it needs a 8 pin and 6 pin pci-e also I'm using this computer for gaming if that helps and the nvidia gtx 760 says the minimum requirement is 500w I was looking at the corsair hx750 and the corsair ax860 please let me know if those will work or one that will preferably 80 + gold certified

aevm · Jan 27, 2014

You need 500W for a PC with a single GTX 760. Look at 750W only if you want to add a second GTX 760 later.

http://pcpartpicker.com/mr/ncixus/xfx-power-supply-p1550sxxb9 - if you don't intend to add a second GTX 760
http://pcpartpicker.com/mr/microcenter/evga-power-supply-120pg0750gr - if you do

ko888 · Jan 27, 2014

For a system using a single NVIDIA Reference Design GeForce GTX 760 graphics card NVIDIA specifies a minimum of a 500 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 30 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors. Some of the non-Reference Design GeForce GTX 760 cards have a single 8-pin (e.g. ASUS GTX 760 DirectCU II OC) or two 8-pin (e.g. MSI GTX 760 HAWK) or one 6-pin and one 8-pin (e.g. Gigabyte GTX 760 WindForce OC, EVGA GTX 760 SC w/ACX Cooler, MSI GTX 760 TwinFrozr Gaming) PCI Express supplementary power connectors.

For a system using two GeForce GTX 760 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 700 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 50 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors. Some of the GeForce GTX 760 cards have a single 8-pin or two 8-pin or one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

The Corsair HX750 (SKU# 75-001218 / CP-9020031) power supply unit, with its maximum combined +12 Volt continuous current rating of 62 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is way more than sufficient to power your system configuration with a single GeForce GTX 760 graphics card. It is also more than sufficient to power your system configuration with two GeForce GTX 760 graphics cards in 2-way SLI mode.

DannyBWell24 · Jan 28, 2014

Ok so I understand I need to look for something around 500w since I do only plan on using a single gtx 760 and I also understand since I'm getting the gigabyte gtx 760 that needs a 8 and 6 pin pci-e I need to look for a psu that says at least 1x6 pin and 1x6+2 pin if that's wrong please correct me also how do I know what other connectors I need for ssd, blue ray player, and hard drive I'm very nervous I'm going to get a psu that doesn't have the right connections thanks guys

aevm · Jan 28, 2014

All right, get that XFX 550W PRO550W Core Edition (first link in my previous post). It has all the connectors you need.

aevm · Jan 28, 2014

And yes, you are correct, you need a 6-pin PCI-E connector, an 8-pin (also called 6pin/8pin or 6+2 pin, same thing) and 3 SATA power connectors for SSD/HDD/Blue Ray. The XFX has them all. Here's a quote from the specs:

XFX 550W 80 Plus Bronze Core Edition PSU
Form Factor: ATX

Wattage: 550W

SLI/Crossfire: CrossFire Ready
SLI Ready

Special Features: Active PFC

Energy Efficiency: 80 PLUS Bronze

Fan: 135 mm

Input Voltage: 100 ~ 240 VAC

+3.3V: 24 A

+5V: 24 A

+12V 1: 44 A

+12V Rails: 1

-12V: 0.5 A

+5VSB: 2.5 A

Motherboard Connector: 20+4 Pin

4-Pin P4: 1

6-Pin PCI-Express Connector: 1

6-Pin/8-Pin PCI-Express Connector: 1

4-Pin Floppy Connector: 2

4-Pin Peripheral Connector: 2

SATA Power Connector: 3

DannyBWell24 · Jan 28, 2014

Thank you guys I'm new and don't know much this definetely helps but I do want something that is fully modular and has a couple more sata connectors in case I choose to get another ssd or something in the future so would something that says it has 2x6+2 work for my graphics card that needs a 8 and 6 pin pci-e I found this and know it is a little more power than I need but will it work?

http://m.newegg.com/Product/index?itemnumber=N82E16817182132

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