Cooler Master eXtreme Power Plus 550 W Power Supply Review

Main Specifications

Cooler Master eXtreme Power Plus 550 W power supply specs include:

• ATX12V 2.3
• Nominal labeled power: 550 W
• Measured maximum power: 503.4 W at 45.5° C.
• Labeled efficiency: Above 70%
• Measured efficiency: Between 73.2% and 77.5% at 115 V (nominal, see complete results for actual voltage).
• Active PFC: No.
• Modular Cabling System: No.
• Motherboard Power Connectors: One 20/24-pin connector and two ATX12V connectors that together form an EPS12V connector.
• Video Card Power Connectors: Two six/eight-pin connectors in separated cables.
• SATA Power Connectors: Six in two cables.
• Peripheral Power Connectors: Three in one cable.
• Floppy Disk Drive Power Connectors: One.
• Protections: over voltage (OVP), over power (OPP) and short-circuit (SCP). Under voltage protection (UVP) present but not listed by the manufacturer.
• Warranty: Information not available.
• Real Model: Seventeam ST-500BAZ
• More Information: https://www.coolermaster-usa.com
• Average price in the US*: USD 65.00.

* Researched at Newegg.com on the day we published this review.