EVGA - 400W Power Supply - Black

Guard your custom-built desktop computer from voltage fluctuations and short circuits with this 400W EVGA power supply. It includes a built-in fan that works quietly to keep temperatures down in the PC case. This EVGA power supply is 80 Plus certified to provide 80 percent efficiency even under varying loads.

PC Gaming Buying Guide
Cardmember Offers
Our experts recommend

Item you're currently viewing

EVGA - 400W Power Supply - Black - Larger Front
EVGA - 400W Power Supply - Black
  • Item you're currently viewing
  • $34.99
Offer disclaimer


What's Included

  • EVGA 400W Power Supply
  • Owner's manual


400W power supply

Supports 30 amps on a 12V rail to provide flexible setup options.

Ultraquiet, intelligent auto fan

Helps keep components cool, so your computer runs efficiently.

Multiple protections

Include OVP (over-voltage protection), OPP (over-power protection) and SCP (short-circuit protection).

80 Plus Efficiency

Ensures your power supply isn't wasting power and turning it into excess heat. Under typical load this power supply is 80% efficient or higher.


Include one 24pin ATX, 1 EPS (CPU) 8pin (4+4), 1 PCIe 8pin (6+2), 1 PCIe 6pin, 4 SATA, 3 4pin peripheral and 1 floppy.

Be the first to write a customer review
(0 reviews)
Write a review and get bonus points
My Best Buy® members: Get bonus points for your approved review when you provide your member number. Subject to My Best Buy program terms.

Product images, including color, may differ from actual product appearance.