The 300W TFX power supply is excellently 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 your 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 300W TFX power supply provides the maximum reliability. Cooling is handled by an 80mm fan. Complete with a hexagonal grid pattern on the back panel, it remains cool and operates at peak performance consistently.