300W Power Supplies - Lowest price

The Apex AL-A300ATX 300W ATX 12V Switching Power Supply is an energy-efficient replaceable unit that delivers power to the system and cools it at the same time. The 300W ATX Power Supply is compatible with AMD Systems, Intel Systems, Pentium 3 and Pentium 4 and provides a total output power of 300 watts. The ATX Switching Power Supply also features..

This compact Power Supply comes with an anti-corrosive nickel plated chassis and houses a number of powerful features to boost your system s functioni

Replace your old power supply with StarTech.com's reliable 300W ATX model.

With 1200W of pure power, it efficiently supplies voltage for your PC.

Startech ATXPOWER300 POWER SUPPLY 300W ATX, SATA CONNECTOR, AMD RECOMMENDED, COMPATIBLE WITH INTEL PENTIUM 4/III/II, AND AMD K6, ATHLON and DURON PROCESSORS - UPC #065030786201

Startech ATXPOW300PRO POWER SUPPLY 300W ATX PROFESSIONAL, DUAL BALL BEARING FANS, COMPATIBLE WITH INTEL PENTIUM II, III, 4, AND AMD K6 and ATHLON PROCESSORS - UPC #065030787642

Test the capabilities and endurance of this power supply.

Supermicro PWS303PQ Power Supply ATX, 300W, High Efficiency w/ PFC, 80 Plus Bronze

The Entrust ETR500 is a 500VA/300W 120 VAC line interactive UPS designed for desktop or floor mounting.

Supermicro PWS0054 Power Supply 300W Module with PFC [24-pin, (4-pin = 12V)] for 1U Rackmount chassis - Model SP302-1S

The Entrust ETR500 is a 500VA/300W 120 VAC line interactive UPS designed for desktop or floor mounting.

Tripp Lite's POS500 standby UPS system offers surge suppression and battery support, ideal for Kiosks, Point-of-Sale, Network Workstations and standalone PC applications. Internal UPS circuits maintain AC output during power failures and severe brownout conditions. Includes 3 battery-supported outlets plus 3 additional surge suppression-only outlet..

The Entrust ETR500 is a 500VA/300W 120 VAC line interactive UPS designed for desktop or floor mounting.

The Liebert PowerSure PSA 1000VA Mini-tower UPS is an economical line-interactive UPS that offers full-featured power protection for small office computers and electronic equipment. It offers unique features and extraordinary performance. The backup or run time of this line-interactive UPS is based on the load; six minutes for a 600W full load and ..

Supermicro PWS-302-1S Power Supply 300W, AC to DC Multiple Output Cold SWAP

The Office Rackmount LCD Series UPS is designed to protect home-office servers, PCs, graphic workstations, and commercial electronics.

Back-UPS HS 500VA 120V is a compete management and power protection solution for structured wiring and home networking applications. It provides the flexibility to remotely manage the UPS and control the outlets via Web browser.

Tripp Lite's HTR05-1U AVR Series intelligent, line-interactive UPS system prevents media data loss, equipment freeze-ups, downtime and equipment damage due to power outages, voltage fluctuations and transient surges. Network-grade AC surge suppression protects sensitive A/V components from damage due to transient surges and improves componment perf..