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Silverstone > 
Item#: N82E16817256075

SILVERSTONE Nightjar ST50NF 500W ATX12V v2.3 / EPS12V 80 PLUS SILVER Certified Active PFC Zero dBA Power Supply

  • ATX12V v2.3 / EPS12V
  • 80 PLUS SILVER Certified
  • 99 - 264 V 47 - 63 Hz
  • +3.3V@18A, +5V@18A, +12V@38A, -12V@0.5A, +5VSB@2.5A
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The fanless Nightjar series power supplies are long favorites for professionals and enthusiasts alike that require noiseless power solution with no moving parts. With increasing power demands required from modern computers, SilverStone engineers have once again created another fanless power supply with leading output level in the ST50NF. With 500W of continuous rating, near 80 PLUS Silver efficiency, ±3% voltage regulation, single +12V rail, multiple PCI-E connectors, and full host of safety features, the ST50NF is a great choice for mission-critical systems that need to operate in noiseless or dusty environments.

  • newegg Fan-less Thermal Solution and Zero dBA Acoustics With a fan-less thermal solution, the SILVERSTONE ST50NF operates noiselessly. Not content with just removing fans from a conventional power supply, the ST50NF was designed from the ground up with thermal solution tailored specifically for fanless application. This ensures the power supply has overall cooler components capable of operating in higher environmental temperature with longer lifetime.
  • newegg ATX12V and EPS12V Compatible Compatible with the ATX12V v2.3 and EPS12Vstandards, the SILVERSTONE ST50NF provides maximum power stability to drive the latest Intel and AMD processors as well as other components for desktop and server computer systems.
  • newegg 500W Continuous Power with Single Strong +12v Rail The SILVERSTONE ST50NF is capable of delivering 500W continuous power output, with +12V @ 38A single rail design to ensure the maximum provision of 12V power to energy-hungry graphics cards perfect for future high-end component upgrades or overclocking.
  • newegg 80 PLUS SILVER Certified The 80 PLUS SILVER certified power supply provides high power efficiency of at least 85% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.

Learn more about the Silverstone ST50NF




ATX12V v2.3 / EPS12V
Maximum Power
Main Connector
24 / 20-Pin
+12V Rails
PCI-Express Connector
1 x 8/6-Pin PCIE
1 x 6-Pin PCIE
SATA Power Connector
84%~88% at 20%~100% loading
80 PLUS SILVER Certified
Over Voltage Protection
Input Voltage
99 - 264 V
Input Frequency Range
47 - 63 Hz
+3.3V@18A, +5V@18A, +12V@38A, -12V@0.5A, +5VSB@2.5A
>50,000 Hours
5.91" x 3.39" x 6.3"
7.72 lbs


1 x 24 / 20-Pin Motherboard connector (550mm)
1 x 8 / 4-Pin EPS / ATX 12V connector (550mm)
1 x 8/6-Pin PCIE connector (550mm)
1 x 6-Pin PCIE connector (550mm / 150mm)
6 x SATA connector (500mm / 150mm / 150mm)
6 x 4-Pin Peripheral connector (500mm / 150mm / 150mm)
2 x 4-Pin Floppy connector (500mm / 150mm / 150mm / 150mm)
Fan-less thermal solution, 0 dBA acoustics

Strict ±3% voltage regulation

PCI-E 8pin and PCI-E 6pin connector support

Aluminum construction

Server-level components

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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Home > 
Computer Hardware > 
Power Supplies > 
Power Supplies > 
Silverstone > 
Item#: N82E16817256075
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