CoolMax CL-500B 500W
Category: Power Supply
Manufacturer: CoolMax
Wattage: 500W
Efficiency: 80+
Modular: non-modular
Price: $48.25 from Amazon

CoolMax CL-500B 500W
Wattage
500W
Efficiency
80+
Modular
non-modular
Best price from Amazon
$48.25
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Overview
A 500W unit with 80+ efficiency certification and non-modular cabling. 500W 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.
Expect to pay around $48.25, which lands it among budget options. 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 CoolMax's standard policy — confirm regional terms on the listing. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.
| Specification | Value |
|---|---|
| Modular | non-modular |
| Wattage | 500 W |
| Efficiency | 80+ |
| Form Factor | ATX |





