SeaSonic SSP-300SFG 300W

This is a 300W unit with 80+ Gold efficiency certification and non-modular cabling. 300W covers mainstream builds with a modest GPU. It uses the SFX form factor — confirm your case lists SFX support. A dependable power supply protects everything downstream, and efficiency tiers are a decent proxy for overall build quality.

At $99.99 it sits in the mid-range power supply bracket. Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current power supply prices across retailers. Warranty coverage follows Seasonic's standard policy — confirm regional terms on the listing. Every published spec is tabulated below, and compatibility against your current part list is checked automatically.