iStarUSA Inc. TC-400PD8 400W server power supply

400W single PSU for legacy servers

The iStarUSA TC-400PD8 delivers 400W through a single non-redundant design with a 20+4Pin main connector. Dual 12V rails supply +12V at 17A and +12V1 at 15A alongside +3.3V at 24A, +5V at 23A, -12V at .5A and +5Vsb at 2.5A. A 120mm low-noise ball bearing fan provides active cooling. It suits builders maintaining or repairing older server platforms that require this connector layout and rail distribution.

Steady output under continuous demand

Rated efficiency reaches 80% minimum across the load range with active PFC and full-range input. Over-current, over-voltage and short-circuit protections engage to maintain stable delivery during sustained operation. The dual 12V architecture balances peripheral and motherboard draws without single-rail bottlenecks. An MTBF exceeding 100000 hours reflects the design target for continuous server duty rather than intermittent desktop use.

Thermal and acoustic profile in rack use

The 120mm ball bearing fan moves air through the 5.91" x 3.39" x 5.51" chassis while keeping acoustic output low for a server environment. ROHS compliance and 80 Plus certification indicate controlled heat generation at typical loads. Connector complement includes one 6-pin PCIe, four SATA, three 4-pin Molex, two floppy and one 4-pin 12V lead. Buyers needing redundant hot-swap units or higher-wattage single modules will need a different form factor.