Best power supply wattage for my setup?

dethington38 · Jul 16, 2014

Wanted to see what's the best wattage for this setup. I was wanting to use a corsair 450w gold power supply. Do I need more wattage? Can I get by with less wattage?

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor ($218.96 @ SuperBiiz)
CPU Cooler: Corsair H80i 77.0 CFM Liquid CPU Cooler ($76.99 @ NCIX US)
Motherboard: EVGA Z87 Stinger Mini ITX LGA1150 Motherboard ($168.98 @ Amazon)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($87.32 @ NCIX US)
Storage: Intel 530 Series 120GB 2.5" Solid State Drive ($84.70 @ NCIX US)
Storage: Western Digital BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ Amazon)
Video Card: EVGA GeForce GTX 770 2GB ACX Video Card ($329.99 @ NCIX US)
Case: BitFenix Prodigy (Black) Mini ITX Tower Case ($79.99 @ Amazon)
Optical Drive: Samsung SH-224DB/RSBS DVD/CD Writer ($21.98 @ OutletPC)
Operating System: Microsoft Windows 8 (OEM) (64-bit) ($97.98 @ OutletPC)
Total: $1236.88
Prices include shipping, taxes, and discounts when available

Dark Lord of Tech · Jul 16, 2014

PCPartPicker part list / Price breakdown by merchant

Power Supply: XFX TS 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ Newegg)
Total: $59.99
Prices include shipping, taxes, and discounts when available

Onus · Jul 16, 2014

For a GTX770, a 450W PSU is probably cutting it close. The Seasonic-built 550W XFX is a good choice, but you might want to find a modular unit since you're building in a tight case.

toyftw · Jul 16, 2014

dethington38 :

Wanted to see what's the best wattage for this setup. I was wanting to use a corsair 450w gold power supply. Do I need more wattage? Can I get by with less wattage?

[PCPartPicker part list](http://pcpartpicker.com/p/dx3Nxr) / [Price breakdown by merchant](http://pcpartpicker.com/p/dx3Nxr/by_merchant/)

Type|Item|Price
:----|:----|:----
**CPU** | [Intel Core i5-4670K 3.4GHz Quad-Core Processor](http://pcpartpicker.com/part/intel-cpu-bx80646i54670k) | $218.96 @ SuperBiiz
**CPU Cooler** | [Corsair H80i 77.0 CFM Liquid CPU Cooler](http://pcpartpicker.com/part/corsair-cpu-cooler-h80i) | $76.99 @ NCIX US
**Motherboard** | [EVGA Z87 Stinger Mini ITX LGA1150 Motherboard](http://pcpartpicker.com/part/evga-motherboard-111hwe872kr) | $168.98 @ Amazon
**Memory** | [Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory](http://pcpartpicker.com/part/corsair-memory-cml8gx3m2a1600c9) | $87.32 @ NCIX US
**Storage** | [Intel 530 Series 120GB 2.5" Solid State Drive](http://pcpartpicker.com/part/intel-internal-hard-drive-ssdsc2bw120a401) | $84.70 @ NCIX US
**Storage** | [Western Digital BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive](http://pcpartpicker.com/part/western-digital-internal-hard-drive-wd1003fzex) | $69.99 @ Amazon
**Video Card** | [EVGA GeForce GTX 770 2GB ACX Video Card](http://pcpartpicker.com/part/evga-video-card-02gp42773kr) | $329.99 @ NCIX US
**Case** | [BitFenix Prodigy (Black) Mini ITX Tower Case](http://pcpartpicker.com/part/bitfenix-case-bfcpro300kkxskrp) | $79.99 @ Amazon
**Optical Drive** | [Samsung SH-224DB/RSBS DVD/CD Writer](http://pcpartpicker.com/part/samsung-optical-drive-sh224dbrsbs) | $21.98 @ OutletPC
**Operating System** | [Microsoft Windows 8 (OEM) (64-bit)](http://pcpartpicker.com/part/microsoft-os-wn700404) | $97.98 @ OutletPC
| | **Total**
| Prices include shipping, taxes, and discounts when available | $1236.88

Hi - The Corsair 450w Gold has only 1 pcie connector, the gtx 770 requires two, but as Onus said
& why Blackbird linked a 550 unit, 450 is just cutting it too close, especially since you are
intending to OC.

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Best power supply wattage for my setup?

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