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Black rectangular ATX power supply unit with modular cable ports and 135mm fan grille

Silverstone Technology

Silverstone Technology SST-ST1300-TI 1300W ATX power supply

SKU CH-DTSW-ZNJE9

ATX power supply delivering 1300W continuous output with 80 PLUS Titanium efficiency, fully modular cables, a single +12V rail rated at 1296W.

  • TypeATX Mid Tower
  • With Power Supply1300W
  • 80 PLUS Titanium efficiency reaches 94% at typical loads
  • Single +12V rail delivers 1296W combined output
  • 100% modular cables simplify installation and airflow
  • 135mm fan runs semi-fanless for 0 dBA at low load
  • Japanese capacitors rated for 100000 hours MTBF

1300W ATX power supply

The Silverstone Technology SST-ST1300-TI delivers 1300W continuous DC output with a peak rating of 1400W. It targets builders assembling high-end workstations or multi-GPU systems that demand sustained 24/7 operation at up to 50°C ambient temperature. The fully modular design keeps cable routing clean in ATX mid-tower cases.

Single +12V rail with 1296W combined output

A class-leading single +12V rail supplies up to 1296W, while the combined +3.3V and +5V rails are rated at 120W. Voltage regulation stays within ±3% with low ripple and noise across the load range. Efficiency reaches 90% to 94% from 10% to 100% loading, backed by 80 PLUS Titanium certification and all Japanese electrolytic capacitors.

135mm semi-fanless cooling and modular connectors

A 135mm fan runs silently between 0 and 36 dBA and features intelligent semi-fanless operation at low loads. The package includes dual EPS 8-pin cables and multiple PCI-E 8/6-pin connectors for modern graphics cards. A 4-pin sense wire on the motherboard connector must be attached to the modular interface for proper function.

Highlights

  • 80 PLUS Titanium efficiency reaches 94% at typical loads
  • Single +12V rail delivers 1296W combined output
  • 100% modular cables simplify installation and airflow
  • 135mm fan runs semi-fanless for 0 dBA at low load
  • Japanese capacitors rated for 100000 hours MTBF

Specifications

TypeATX Mid Tower
With Power Supply1300W

Questions about this item

Will the 135mm semi-fanless unit fit in an older chassis that only clears 150mm depth?

The housing is 180mm deep so it exceeds a 150mm limit; measure your case clearance before ordering.

How do I confirm the single +12V rail is delivering the rated 1296W combined output under load?

Use a multimeter on the 24-pin and EPS connectors; the rail should stay within ±3% of 12V while the fan remains below 36 dBA.

Which cables come pre-installed and which must be purchased separately for dual EPS and four PCI-E 8/6-pin devices?

All cables are modular in the box — two EPS 8-pin and four PCI-E 8/6-pin leads are included; no extra cables are required.

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