Q-Tec ADT-350 ATX 350W Low Noise Temperature Controller Power Supply – Used

Q-Tec ADT-350 ATX 350W Low Noise Temperature Controller Power Supply – Used Tested Working

All the best /Klaus

Offered for sale is a Q-Tec ADT-350 ATX power supply unit (PSU), rated at 350W with low noise fan control and integrated temperature controller. Designed for standard ATX PC builds and retro systems, this unit is used and tested working, with all original connectors shown.

Technical Specifications:

• Brand/Model: Q-Tec ADT-350

• Form factor: ATX standard power supply

• Input: 115V~7A~60Hz / 230V~4A~50Hz, switchable

• Max output: 350W

• Voltage rails: +5V (30A), +12V (15A), -5V (0.5A), -12V (0.8A), +3.3V (14A), +5VSB (2A)

• Connections: ATX 20-pin, 4x Molex for peripheral devices, additional 12V/3.3V rails

• Fan: Temperature-controlled, low noise

• Certifications: CE, TÜV, CB

• Protective circuitry: Overcurrent, short circuit, overvoltage

• Dimensions: approx. 150 x 140 x 85 mm (standard ATX)

• Country: Q-Tec, Netherlandsebay+2​

Main Features:

• Reliable and quiet performance for classic PCs and specialty builds

• Easy installation in most ATX cases with standard connectors

• Ideal for repairing or refurbishing retro computers, lab setups, or legacy industrial PCs

Condition: Used, tested working. Minor cosmetic wear but fully functional. All cables and connectors included as pictured.

Background / Collector Info:
Q-Tec power supplies were popular in early 2000s desktop systems and modded builds. The ADT-350 model is sought after for vintage PC restoration, project computers, and low-noise workstations.