Silverstone SFX 450W

This is a 450W unit with 80+ Gold efficiency certification and full cabling. It uses the SFX form factor — confirm your case lists SFX support. 450W covers mainstream builds with a modest GPU. A dependable power supply protects everything downstream, and efficiency tiers are a decent proxy for overall build quality.

At $95.66 it sits in the mid-range power supply bracket. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Support and warranty service run through Silverstone, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.