Written analysis
be quiet! Pure Power 13 M 550W at a glance
The be quiet! Pure Power 13 M 550W is a 550 W ATX power supply built to the ATX 3.1 generation. Efficiency is listed as 80 PLUS Gold. Cables are modular. It supports fan-stop at low load.
The calculated capability score is 71.9, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 45 A.
Best fit: Mainstream gaming and productivity builds where efficiency and cable management matter.
Platform and cooling
Dimensions are listed as 160 x 150 x 86. Cooling fan size is 120 mm. The unit uses 1 +12V rail at up to 45.80 A per rail. Certifications include 80 PLUS Gold.
Current value
At $219, price per kilowatt is $398.80. Capability / price is 32.8 and wattage value is 20.1. Compare nearby supplies below; wattage alone does not determine value.
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