Lian Li PE 550W

This is a 550W unit with 80+ Gold efficiency certification and full cabling. It uses the SFX form factor — confirm your case lists SFX support. 550W covers mainstream builds with a modest GPU. Power supplies are the wrong place to cut corners — efficiency certification correlates with build quality and warranty length.

At $49.99 it sits in the budget power supply bracket. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Lian 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.