Seasonic Platinum Fanless 520 W Power Supply Review

Main Specifications

The main specifications for the Seasonic Platinum Fanless 520 W power supply include:

• Standards: NA
• No
  minal labeled power: 520 W
• Measured maximum power: 651.4 W at 49.4° C
• Labeled efficiency: 80 Plus Platinum certification (90% at light/20% load, 92% at typical/50% load, and 89% at full/100% load)
• Measured efficiency: Between 90.7% and 93.3%, at 115 V (nominal, see complete results for actual voltage)
• Active PFC: Yes
• Modular Cabling System: Yes, full
• 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 on two cables
• SATA Power Connectors: Six on two cables
• Peripheral Power Connectors: Five on two cables
• Floppy Disk Drive Power Connectors: One, through an adapter
• Protections (as listed by the manufacturer): Over voltage (OVP), under voltage (UVP), over current (OCP), over power (OPP), over temperature (OTP), and short-circuit (SCP) protections
• Are the above protections really available? Yes.
• Warranty: Seven years
• More Information: https://www.seasonicusa.com
• Average Price in the U.S.*: USD 150.00

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