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Black fully modular ATX power supply, compact 140mm depth with 120mm fan

Silverstone Technology

Silverstone Technology ST1000-PTS 1000W ATX power supply

SKU CH-18QB-9BB77 MPN ST1000-PTS

A compact fully modular ATX power supply delivering 1000 W from a single +12 V rail rated at 83 A, 80 PLUS Platinum efficiency, a 120 mm HYB fan running as low as 18 dBA.

  • Max wattage1000 W
  • Power efficiency89%~92% at 20%~100% loading
  • Modular cablingFull Modular
  • Fan configuration1 × 120 mm
  • Power factor correctionActive PFC(PF>0.9 at full load)
  • Main power connector24Pin
  • Compact 140mm depth fits tight chassis easily
  • 80 PLUS Platinum efficiency cuts waste heat at 89 to 92 percent load range
  • Fully modular cables simplify builds and airflow
  • Single +12V rail delivers 83A for high-end GPUs
  • Silent HYB fan runs at 18dBA with magnetised FF122 filter included

Compact kilowatt foundation

The ST1000-PTS is a 1000W fully modular ATX power supply built for systems that demand high output in a 140mm deep chassis. Its single +12V rail delivers 83A for stable distribution to modern components. The 80 PLUS Platinum rating confirms 89% to 92% efficiency across 20% to 100% load. Active PFC maintains a power factor above .9 at full load.

Silent operation at idle

A 120mm HYB fan with an intelligent controller keeps noise at 18dBA during low powered computing activities. The included FF122 magnetised fan filter helps reduce dust intake without tools. Full modular cabling means only the required leads are installed, improving airflow in compact builds. Input range spans 90V to 264V at 47Hz to 63Hz for worldwide compatibility.

Sustained load behaviour

The unit is rated for 24/7 continuous power output at 40 operating temperature. Protections include over power, over current, over voltage, under voltage, over temperature and short circuit safeguards. Voltage regulation stays within 3% with low ripple and noise under stress. MTBF is rated at 100000 hours for long term reliability.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $197.99
Pricier than about 63% of the 10,869 comparable items (median $142.99).
Max wattage 1000 W
Higher than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameSilverStone
Model nameSST-ST1000-PTS
Product colorBlack
Product typeATX
Ports & slots
SATA power connectors8
Power
Max wattage1000 W
Power efficiency89%~92% at 20%~100% loading
Modular cablingFull Modular
Power factor correctionActive PFC(PF>0.9 at full load)
Main power connector24Pin
12V railsSingle
Efficiency certification80 PLUS PLATINUM Certified
Overvoltage protectionYes
Overload protectionYes
Built-in protectionOver power protection
Over current protection
Over voltage protection
Over Temperature protection
Under voltage protection
Short circuit protection
Supply voltage90 V~264 V
AC input frequency47 Hz~63 Hz
Size & build
Shipping weight4.08 kg
Package size203 × 203 × 127 mm
Compatibility
PSU length limit140 mm
More details
Fan configuration1 × 120 mm
Mean time between failures100,000 h

Questions about this item

How do I install the ST1000-PTS and which step do builders often miss?

Mount the 140mm-deep unit in an ATX case, connect the 24Pin main cable and only the modular leads you need, then snap the FF122 magnetized fan filter onto the 120mm intake before first power-on.

What maintenance or replacement will the ST1000-PTS need later?

Clean the FF122 magnetized filter periodically; the HYB fan is rated for 100000 hours MTBF at 40°C continuous operation.

What limit appears first on the ST1000-PTS during sustained full load?

The single +12V rail caps at 83A, so total 12V draw cannot exceed that value even though the unit is rated for 1000W.

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