Gigabyte GE-P450P-C2 550W

This is a 550W unit with 80+ efficiency certification and non-modular cabling. 550W covers mainstream builds with a modest GPU. It uses the ATX form factor — confirm your case lists ATX support. A dependable power supply protects everything downstream, and efficiency tiers are a decent proxy for overall build quality.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Gigabyte backs the product through its standard warranty channels; check the listing for region-specific terms. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.