Corsair HX620 620W

A 620W unit with 80+ efficiency certification and full cabling. It uses the ATX form factor — confirm your case lists ATX support. 620W covers mainstream builds with a modest GPU. Skimping on the PSU is a false economy; better efficiency ratings usually mean better components and longer warranties.

Drop it into the PlanMyPC builder to check compatibility with the rest of your parts. Corsair backs the product through its standard warranty channels; check the listing for region-specific terms. Every published spec is tabulated below, and compatibility against your current part list is checked automatically. If this power supply is not quite the right fit, the category page lists close alternatives at similar prices for a quick side-by-side comparison.