Nexus RX-6300 power supply specs include:

• ATX12V 2.2
• Nominal labeled power: 630 W
• Measured maximum power: 840.4 W at 44.4º C.
• Labeled efficiency: 82% minimum
• Measured efficiency: Between 83.2% and 86.6% at 115 V.
• Active PFC: Yes.
• Modular Cabling System: Yes.
• Motherboard Power Connectors: One 20/24-pin connector, one EPS12V connector that can be broken down into two ATX12V connectors and one ATX12V connector (all permanently attached to the power supply).
• Video Card Power Connectors: One six/eight-pin connector in one cable permanently attached to the power supply, one six-pin connector in one cable available on the modular cabling system.
• SATA Power Connectors: Six in two cables (modular cabling system).
• Peripheral Power Connectors: Six in two cables (modular cabling system).
• Floppy Disk Drive Power Connectors: Two in two cables (modular cabling system).
• Protections: Over voltage (OVP, not tested) and short-circuit (SCP, tested and working) protections. Over current (OCP) protection present and working.
• Warranty: Two years.
• More Information: http://www.nexustechnologyusa.com
• Average price in the US*: USD 120.00.

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