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StarTech.com · Power Supply Units

StarTech.com 300 Watt ATX Replacement Computer PC Power Supply

Product codeATXPOWER300GTIN0065030786201
  • Total power: 300 W
  • AC input voltage: 115 - 230 V
  • I/O ports: 6 - LP4 F 2 - SP4 F 1 - ATX 20 pin F 1 - SATA Power F 1 - P4 ATX M 12V 1 - AUX 6-pin F
  • Cabling type: Non-Modular

Pricing on request for federal, state, and local agencies.

300 W
Total power
115 - 230 V
AC input voltage
6 - LP4 F 2 - SP4 F 1 - ATX 20 pin F 1 - SATA Power F 1 - P4 ATX M 12V 1 - AUX 6-pin F
I/O ports
Non-Modular
Cabling type
27.4 dB
Noise level

Replace or upgrade to a 300W power supply for a standard ATX computer
A reliable upgrade or replacement power supply for desktop PCs.
This StarTech.com power supply offers an upgrade or replacement to a variety of Intel or AMD-based ATX desktop computer systems. Compliant with the industry standard ATX specification and using the standard ATX form-factor, this power supply (PSU) can be used as a replacement in a variety of popular OEM desktop systems.
Conforming to ATX revision 2.03, this power supply features a 20-pin ATX power connector and 6-pin AUX power connector, for support for older, legacy computer systems, as well as some newer, low powered systems with it''s ATX12V connector. High quality components and a built in 80mm cooling fan lend to a durable and reliable power supply, while being backed by StarTech.com''s 2 year warranty and free lifetime technical support.
The StarTech.com Advantage
- High performance components and connectors are designed for extra long life and provide maximum system performance
- Long-life transformer and built-in short-circuit protection
- See Applications page for detailed list of supported
- The temperature controlled smart fan cools your entire system while the EMI/RFI power filter reduces noise/ripple

Total power
300 W
AC input voltage
115 - 230 V
I/O ports
6 - LP4 F 2 - SP4 F 1 - ATX 20 pin F 1 - SATA Power F 1 - P4 ATX M 12V 1 - AUX 6-pin F
Cabling type
Non-Modular
Noise level
27.4 dB
Mean time between failures (MTBF)
40000 h
Operating temperature (T-T)
0 - 50 °C
Storage temperature (T-T)
-20 - 80 °C