Rosewill CAPSTONE-550M Power Supply Review

Main Specifications

The main specifications for the Rosewill CAPSTONE-550M power supply include:

• Standards: ATX12V 2.31 and EPS12V 2.92
• Nominal labeled power: 550 W
• Measured maximum power: 625.8 W at 47.9° C
• Labeled efficiency: Between 87% and 92%, 80 Plus Gold certification
• Measured efficiency: Between 86.6% and 90.8%, at 115 V (nominal, see complete results for actual voltage)
• Active PFC: Yes
• Modular Cabling System: Yes
• Motherboard Power Connectors: One 20/24-pin connector and two ATX12V connectors that together form an EPS12V connector, permanently attached to the power supply
• Video Card Power Connectors: Two six/eight-pin connectors on one cable, modular cabling
• SATA Power Connectors: Six on two cables, modular cabling
• Peripheral Power Connectors: Five on two cables, modular cabling
• Floppy Disk Drive Power Connectors: One, modular cabling
• Protections (as listed by the manufacturer): Over voltage (OVP), over current (OCP), over power (OPP), and short-circuit (SCP)
• Are the above protections really available? Yes
• Warranty: Five years
• Real Model: Super Flower SF-550P14XE
• More Information: https://www.rosewill.com
• Average Price in the U.S.*: USD 100.00

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