Seasonic SS-300TFXL PSU 80 PLUS Bronze for Small Form Computers



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The SeaSonic SS-300TFXL power supply is designed with the value-conscious user in mind. Certified for 80 PLUS Bronze, this active PFC unit runs at up to 85% (or higher) efficiency while delivering a 50% load, so you know you’re saving energy and money on your power bills month after month.

With 300W of total output power there is plenty of juice for the most home or office situations. Featuring short circuit protection, the SeaSonic SS-300TFXL Bronze power supply provides the maximum reliability. Cooling is handled by an 80 mm fan. Complete with a hexagonal grid pattern on the back panel, it remains cool and operates at peak performance consistently.

Thanks to their L-shape, the Sata power connectors can only connect the right way.


3 x L-Shaped SATA Connectors
80 PLUS BRONZE Certified
Super low noise fan control
Specification compliance: TFX12V v2.31
Pentium 4 ready with P4 connectors
Forward converter circuit
High efficiency and reliability
Low ripple & noise
Short circuit protection on all outputs
Over voltage protection
Overpower protection
100% hi-pot test
100% burn in, high temperature cycled on/off
Patented Active Transient Load (R.O.C. Patent # I309103)
3 Years Warranty


Dimension (W / H / D): 85mm x 70mm x 175mm
Input Voltage: 100-240 VAC
Input Current: 5A
Input Frequency Range: 50-60Hz
PFC: Active PFC (>.99)
Power Good Signal: 100-500 ms
Hold Up Time: 1ms-40ms
Efficiency: 80%
MTBF: 100,000 Hours
Protection: OPP, OVP
Operation Temperature: 0-40°C
Fan: 8cm
Certifications: 80 Plus Bronze


20+4 Pin Main Connectors: 1
4-Pin 12V Connectors: 1
SATA Connectors: 4
4-Pin Molex Connectors: 2
Floppy Drive Connectors: 1

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