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Redundant server power supply, silver metal enclosure, three cooling fans, 20+4 pin connector visible

iStarUSA Inc.

iStarUSA Inc. TC-300R8 2 x 300 W redundant server power supply

SKU CH-A4BW-Z6NSX MPN TC-300R8

Redundant 2 x 300 W server power supply with 20+4 pin connector, three fans and >100,000 hour MTBF

  • Single/RedundantRedundant
  • Maximum Power2 x 300 W
  • Main Connector20+4Pin
  • Output+3.3V@24A, +5V@30A, [email protected] , +12V@15A, [email pro
  • Input Voltage115 / 230 V
  • Input Frequency Range50/60 Hz
  • Redundant 2 x 300 W design keeps servers running if one module fails
  • Three cooling fans maintain airflow across both power modules
  • PS/2 form factor fits standard server chassis without modification
  • Auto-select AC input handles 115 V and 230 V without manual switching
  • MTBF exceeds 100,000 hours for long-term deployment confidence

Redundant 2 x 300 W Server Supply

The iStarUSA TC-300R8 is a redundant server power supply containing two 300 W modules in a PS/2 form factor. It delivers power through a 20+4 pin main connector and multiple voltage rails including +12V at 15 A. The unit operates on 115 V or 230 V input with automatic selection.

Suited For And Not Suited For

This supply fits servers requiring N+1 redundancy and a 20+4 pin motherboard connection. It is not for systems needing more than 300 W per module, builders requiring higher efficiency than 65 percent, or installations that need EPS12V connectors for modern CPU power.

Efficiency And Protection Baseline

Efficiency is rated at 65 percent or greater with a hold-up time of 16 ms minimum. Protections include over power, over voltage and short circuit safeguards. Three fans provide cooling and the MTBF exceeds 100,000 hours. A 24 to 20 power cable and power cord are included.

Points forts

  • Redundant 2 x 300 W design keeps servers running if one module fails
  • Three cooling fans maintain airflow across both power modules
  • PS/2 form factor fits standard server chassis without modification
  • Auto-select AC input handles 115 V and 230 V without manual switching
  • MTBF exceeds 100,000 hours for long-term deployment confidence

Caractéristiques

BrandiStarUSA
ModelTC-300R8
Single/RedundantRedundant
Maximum Power2 x 300 W
Main Connector20+4Pin
Output+3.3V@24A, +5V@30A, [email protected] , +12V@15A, [email protected] , +5VSB@2A
Input Voltage115 / 230 V
Input Frequency Range50/60 Hz
Input Current8A @ 115V, 4A @ 230V
Fans3
MTBF>100,000 Hours
Efficiency> = 65%
Hold-up Time16ms min.
Protectionover power; over voltage; short circuits
FeaturesPS/2 Size design
Auto Select AC input
Dimensions6.9" x 5.9" x 3.4"
Weight9 lbs.
Package ContentsTC-300R8
24 to 20 Power Cable
Power Cord
Poids d’expédition3.99 kg
Dimensions du colis277 × 221 × 168 mm

Questions sur cet article

Should I pick a single 300 W module or the 2 x 300 W redundant version for my server?

The TC-300R8 is sold as a complete redundant assembly containing two 300 W modules; you cannot buy a single module separately.

What does the 300 W per module rating mean for actual system load?

Each module can deliver up to 300 W, so the server can draw a maximum of 300 W while still keeping full redundancy if one module fails.

What mains standard does the auto-select input support and what does it cap?

The auto-select input accepts 115 V or 230 V at 50/60 Hz, capping input current at 8 A on 115 V and 4 A on 230 V.

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