Scythe Kamariki 4 550 W power supply specs include:

• ATX12V 2.3
• Nominal labeled power: 550 W.
• Measured maximum power: 731.4 W at 45.7º C.
• Labeled efficiency: 84% (80 Plus certified).
• Measured efficiency: Between 79.1% and 83.2% at 115 V (nominal, see complete results for actual voltage).
• Active PFC: Yes.
• 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.
• SATA Power Connectors: Eight in two cables.
• Peripheral Power Connectors: Six in two cables.
• Floppy Disk Drive Power Connectors: Two in two cables.
• Protections: over voltage (OVP, not tested), over current (OCP, tested and working) and short-circuit (SCP, tested and working).
• Warranty:
• More Information: http://www.scythe-eu.com
• Average price in the US: This product isn’t being sold in the USA yet.