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Silver rectangular server PSU with 120mm fan, 20+4 pin and SATA cables visible

iStarUSA Inc.

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

SKU CH-QDVR-74RCQ MPN TC-400PD8

A 400 W server power supply with a 120 mm low-noise ball-bearing fan, 80 % minimum efficiency, dual 12 V rails and a full set of SATA, PCIe and Molex connectors

  • Single/RedundantSingle
  • Maximum Power400W
  • Main Connector20+4Pin
  • Output Current+3.3V @ 24A, +5V @ 23A, +12V @ 17A, +12V1 @ 15A, -12V @ 0.5A
  • Fans120mm Low Noise Ball Bearing Fan
  • MTBF>100,000 Hours
  • Reliable server uptime backed by >100,000-hour MTBF
  • Quiet cooling from 120mm low-noise ball-bearing fan
  • Efficient power delivery with 80% minimum efficiency
  • Broad component support via SATA, PCIe and Molex connectors
  • Comprehensive protection including over-current, over-voltage and short-circuit safeguards

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.

Points forts

  • Reliable server uptime backed by >100,000-hour MTBF
  • Quiet cooling from 120mm low-noise ball-bearing fan
  • Efficient power delivery with 80% minimum efficiency
  • Broad component support via SATA, PCIe and Molex connectors
  • Comprehensive protection including over-current, over-voltage and short-circuit safeguards

Caractéristiques

BrandiStarUSA
ModelTC-400PD8
Single/RedundantSingle
Maximum Power400W
Main Connector20+4Pin
Output Current+3.3V @ 24A, +5V @ 23A, +12V @ 17A, +12V1 @ 15A, -12V @ 0.5A, +5Vsb @ 2.5A
Fans120mm Low Noise Ball Bearing Fan
MTBF>100,000 Hours
Efficiency80% minimum
ProtectionOver Current Protection
Over Voltage Protection
Short-Circuit Protection
FeaturesConnectors :
20 + 4 Pin Motherboard Connector: 1
6 Pin PCI-Express Connector: 1
15 Pin SATA Power Connector: 4
4 Pin Molex Power Connector: 3
4 Pin Floppy Power Connector: 2
4 Pin 12V Connector: 1
ROHS Compliance
Meet 80 Plus
Full Range Input
Active PFC Circuit
Dual 12V Rails
Dimensions5.91" x 3.39" x 5.51"
Poids d’expédition1.84 kg
Dimensions du colis203 × 171 × 152 mm

Questions sur cet article

How loud is the 120mm fan when the 400W supply runs continuously?

The 120mm low-noise ball-bearing fan is designed for quiet server operation under sustained load.

Which motherboard and CPU connectors must my system provide for the 20+4Pin main and 4Pin 12V plugs?

This unit includes one 20+4Pin ATX connector and one 4-pin 12V CPU connector for standard motherboards.

Will the four SATA and three Molex connectors power older drives alongside a modern SSD?

Four SATA and three 4-pin Molex connectors let you mix current SSDs with legacy hard drives or optical units.

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