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iStarUSA TC-400PD8 20+4Pin 400W Single PS2 ATX High Efficiency Switching Server Power Supply - OEM

  • 400W Single
  • 20+4Pin
  • 120mm Low Noise Ball Bearing Fan Fans
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Specs
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Learn more about the iStarUSA Inc. TC-400PD8

Model
Brand iStarUSA
Model TC-400PD8
Details
Single/Redundant Single
Form Factor Standard ATX
Maximum Power 400W
Fans 120mm Low Noise Ball Bearing Fan
Main Connector 20+4Pin
Output Current +3.3V @ 24A, +5V @ 23A, +12V @ 17A, +12V1 @ 15A, -12V @ 0.5A, +5Vsb @ 2.5A
MTBF >100,000 Hours
Efficiency 80% minimum
Protection Over Current Protection
Over Voltage Protection
Short-Circuit Protection
Features
Features Connectors :
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
Dimensions & Weight
Dimensions 5.91" x 3.39" x 5.51"
Additional Information
First Listed on Newegg November 22, 2010

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Return Policies

    We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

  • Return for refund until: January 31, 2027
  • Return for replacement until: January 31, 2027
  • This item is covered by Newegg.com's Extended Holiday Return Policy.
  • Read full return policy for details.
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The iStarUSA TC-400PD8 is a 400W single standard-ATX server power supply for compatible server or desktop builds with modest power needs, offering a 20+4-pin motherboard connector, dual 12V rails, and over-current, over-voltage, and short-circuit protection.

Recommended For

  • Small storage or file-server builders with several SATA or Molex drives, whose system stays within a 400W power budget and can use this standard ATX supply.
  • People maintaining an older ATX server or workstation who need a 20+4-pin motherboard connector, a 4-pin CPU power connector, and a standard PS2-size power supply.
  • Builders of modest-power systems using a single add-in card with a 6-pin PCIe power connection, provided the complete system fits within the supply’s 400W rating.

Real-World Use Scenarios

  • When assembling a standard ATX server or workstation, a builder can use this supply if the system’s total power needs fit its 400W capacity; its 20+4-pin motherboard connector supports common ATX board connections.
  • When powering a storage-focused PC with several SATA drives, the four SATA power connectors can serve multiple drives without relying on adapters, provided the full system load stays within the supply’s limits.
  • When replacing a failed PSU in a compatible ATX/PS2 chassis, its standard ATX form factor and listed dimensions make it a candidate; users should check the case clearance and connector needs before installation.
  • When reusing older peripherals or drives, its Molex and floppy power connectors can connect compatible components directly, reducing the need for power adapters.
  • When building a modest system with a graphics card that uses one 6-pin PCIe power plug, the included connector may fit; check the card’s power requirements and the system’s total load before choosing this 400W supply.

Spec Summary

AttributeValue
Best ForSingle 400W standard ATX power supply for server systems
Power Output+3.3V at 24A, +5V at 23A, +12V at 17A across dual 12V rails, -12V at 0.5A, and +5Vsb at 2.5A
Connectors20+4-pin motherboard connector, one 6-pin PCIe, four SATA power, three 4-pin Molex, two 4-pin floppy, and one 4-pin 12V connector
Efficiency And Compliance80% minimum efficiency, meets 80 Plus requirements, and is RoHS compliant
Input And Power RegulationFull-range input with active PFC circuitry
ProtectionOver-current, over-voltage, and short-circuit protection
CoolingOne 120mm low-noise ball-bearing fan with air cooling
ReliabilityMTBF greater than 100,000 hours
DimensionsApproximately 150.1 × 140 × 86.1 mm (5.91 × 5.51 × 3.39 in)
Model IdentifiersiStarUSA TC-400PD8