Seasonic SS-300TFX power supply specs include:

• TFX12V 2.3
• Nominal labeled power: 300 W.
• Measured maximum power: 362.8 W at 42.4º C.
• Labeled efficiency: Above 82%, 80 Plus Bronze certified (82% minimum at 20% and 100% loads; 85% minimum at 50% load).
• Measured efficiency: Between 83.4% and 86.6% 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 one ATX12V connector.
• Video Card Power Connectors: None.
• SATA Power Connectors: Four 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, tested and working) protections. Although not listed by the manufacturer, this unit also has under voltage (UVP) protection.
• Warranty: Information not available.
• More Information: http://www.seasonic.com
• Average price in the US*: 60.00.

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