SilverStone Technology announced the TX400x Gold power supply unit on May 11, 2026. The company introduced this new component as a specialized solution for compact PC builds. The product targets users who require reliable power delivery within strict spatial constraints.
Single +12V rail design delivers 33.3A current for stable power delivery
The unit operates on the TFX form factor and delivers a maximum output of 400 watts. It carries 80PLUS GOLD certification for energy efficiency. SilverStone equipped the PSU with an 80mm silent HYB fan to manage thermal output. The manufacturer claims the fan operates at a minimum noise level of 18dBA.
Spec comparison
| Spec | TX400x Gold |
|---|---|
| Form Factor | TFX |
| Wattage | 400W |
| Efficiency | 80PLUS GOLD |
| Fan Size | 80mm |
| Noise Level | 18dBA (minimum) |
Technical specifications include a single +12V rail design that provides 33.3A of current. The unit includes two standard 6+2pin PCIe cables for graphics card connectivity. SilverStone rates the mean time between failures at 100,000 hours. The physical dimensions are 85mm wide, 175mm deep, and 65mm high. The total weight of the unit is 1.33kg.
The power supply is designed for continuous 24/7 operation in environments with temperatures up to 40 degrees Celsius. This thermal tolerance makes it suitable for small form factor cases with limited airflow. The model number for this specific unit is SST-TX400-GF.
SilverStone has not confirmed specific pricing or regional availability for the TX400x Gold. The announcement focuses on the technical capabilities and physical specifications of the new hardware.
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