CIT 300W TFX Power Supply with Low Noise Fan

CIT TFX-300W | Silver-Coated TFX Power Supply for Compact Systems

The CIT TFX-300W is a compact, 300W TFX form-factor power supply designed for small-form-factor (SFF) desktop builds. Featuring a sleek all-silver exterior coating, intelligent fan speed control, and robust 12V rail design, it delivers stable, high-performance power for demanding hardware in tight spaces.

Quick Technical Summary

Compact Design Meets Reliable Performance

The TFX-300W’s small footprint (85mm x 65mm x 175mm) makes it ideal for space-constrained builds without compromising on power delivery. Its intelligent fan speed control ensures quiet operation under light loads, while the strong 12V rail design maintains stable outputs even during peak demand. This makes it a dependable choice for system builders who need consistent performance in compact cases.

Enthusiast-Grade Features in a Small Package

Beyond its size, the TFX-300W offers features typically found in higher-end units. The all-silver coating provides a premium aesthetic, while flat black cables improve airflow and reduce clutter inside tight builds. With >72% efficiency and comprehensive protection circuits (OVP, UVP, OPP, SCP), it safeguards both the PSU and connected components from electrical faults.

Connectivity for Modern Builds

Equipped with essential connectors including a 20+4 pin main, 4+4 pin 12V CPU, three SATA, and one 4-pin Molex, the TFX-300W covers the needs of most compact systems. The flat cable design further aids in neat cable management, crucial in SFF cases where space is at a premium.

Box Contents

• PSU
• Manual

Check Before You Buy

• Confirm the TFX form factor fits your case dimensions (85mm x 65mm x 175mm).
• Verify your system’s power requirements do not exceed 300W total.
• Check that your motherboard and components match the provided connector types.
• Note: No mains plug is included; confirm local power lead compatibility.

Frequently Asked Questions

Q: Is this power supply compatible with standard ATX cases?

A: No, it uses the TFX form factor, which is smaller than standard ATX and designed for compact cases only.

Q: Does it include all necessary cables?

A: It includes the essential power cables (20+4 pin, 4+4 pin, SATA, Molex) but no mains power lead.

Q: What protections are built in?

A: Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Power Protection (OPP), and Short Circuit Protection (SCP).

Q: Is the fan noisy under load?

A: No, the 80mm fan features intelligent speed control and operates below 17 dBA for quiet performance.

Q: What is the efficiency rating?

A: The PSU is rated at >72% efficiency, meeting standard energy requirements.

The Consultant’s Verdict & Warranty

The CIT TFX-300W is a well-rounded power supply for compact system builders who value both aesthetics and reliability. Its silver finish, quiet operation, and comprehensive protections make it a solid choice for SFF PCs. Covered by the standard Manufacturer Warranty.