CIT 300W TFX Power Supply for Small Form Factor PCs

The CIT TFX-300W is a TFX 12V v2.31 compliant power supply designed for small desktop cases and compact PC builds. This 300-watt PSU combines reliable performance with a space-saving 85mm x 65mm x 175mm form factor, making it the practical choice for SFF system builders.

Quiet Operation with Intelligent Cooling

Equipped with an 80mm black fan featuring intelligent speed control, this power supply maintains optimal temperatures while operating at less than 17dBA. The low noise profile makes it suitable for office environments and home setups where quiet operation matters.

Comprehensive Connectivity

The TFX-300W provides versatile connection options for modern PC components:

• 1x 20+4 Pin Main Connector
• 1x 4+4 Pin 12V Connector
• 3x SATA Connectors
• 1x 4-Pin Molex Connector

The flat black cables and silver exterior coating deliver a clean aesthetic while the strong 12V rail design ensures stable power delivery to demanding hardware components.

Built-In Protection and Reliability

Multiple safety features protect your system with OVP (Over Voltage Protection), UVP (Under Voltage Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection). With a 100,000-hour MTBF rating and greater than 72% efficiency, this PSU is built for long-term reliability.

Technical Specifications

Dimensions: 85mm x 65mm x 175mm (W x H x D)
Input: 200-230VAC, 3A, 50-60Hz
Power: 300W
Cooling: 80mm Black Fan
Noise Level: <17 dBA
Efficiency: >72%
MTBF: 100,000 Hours
Operating Temperature: 0-40°C
Certifications: CE, UKCA, FCC, CB, REACH, EAC, RoHS

Package Contents

• PSU Unit
• User Manual

Note: Mains plug not included. Net weight: 0.83 KG

• Wattage: 300W
• Size/Version: TFX
• Modular: No
• SATA Connections: 3
• Certification: None
• Colour: Silver