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Price: $230.00
In Stock: Yes
SKU: fanless_power_supply

Silverstone Fanless Power Supply

The Silverstone Nightjar fanless power supplies are a fanless power supply line we are proud to feature. This Silverstonetek NJ520 will provide you with optimal power without overheating your system (a problem common with other fanless power supply lines).

Nightjar Fanless Power Supply

The NJ520 Silverstone Nightjar Series Fanless Power Supply achieves its continuous power output up to 520W. SilverStone’s Nightjar NJ520 is a fanless power supply that offers users a whole new experience of quietness and stability. The premium components and engineering in SilverStrone's fanless power supply helped it to achieve 80 PLUS Platinum level of efficiency, reducing wasted heat and enable an open grille design that can operate reliably without fan attached. This noiseless performance can be maintained with stringent electrical characteristics even under 40°C operating environment.

As a versatile power supply, NJ520 has powerful +12V output of 43A for high-end system usage and its flexible, flat modular cables make assembly easy for improved case airflow. For professionals looking to build PCs or workstations for specialized settings such as recording studio or sound-optimized laboratories, the Nightjar series fanless power supplies with their consistent emphasis on quality, stability, and reliability, are sure to satisfy.

SilverStone Nightjar Fanless Power Supply Diagram


520watt Fanless Power Supply

  • Fanless power supply
  • Manufacturer: SilverStone Technology
  • Model: NJ520
  • 0 dBA
  • High efficiency with 80 PLUS Platinum certification
  • 100% modular cables
  • 520W power output
  • Strict ±2% voltage regulation and low ripple & noise
  • 24/7 continuous power output with 40℃ operating temperature
  • Class-leading single +12V rail
  • PCI-E 8pin and PCI-E 6pin connectors support
  • Server-level components
  • Support ATX 12V 2.3 & EPS 12V
  • Active PFC


Fanless power supply is designed for 80 PLUS Platinum level of efficiency to reduce wasted heat and save on electricity.


Nightjar 520w Fanless Power Supply Specifications
Manufacturer Silverstonetek
Description Fanless Power Supply
Model No. Nightjar SST-NJ520
Max. DC Output 520W
Load Range

+3.3V +5V +12V +5VSB -12V
20A 20A 43A 2.5A 0.5A
Peak (Amps)
/ / / / /
0A 0A 0A 0A 0A
Range (%)
±2% ±2% ±2% ±5% ±10%
Line Reg.(%)
±1% ±1% ±1% ±1% ±2%
50mV 50mV 120mV 50mV 120mV

Combined +3.3, +5V
Combined +12V
Input Voltage
90V - 264V
Input Frequency Range
47Hz - 63Hz
Active PFC (PF>0.99 at Full Load)
82%-86% at 20%-100% loading
100,000 hours at 25°C , full load
Operating temperature
0 - 40°C

Over Current Protection
Over Power Protection
Over Voltage Protection
Short Circuit Protection
No Load Situation

1X 24 / 20-Pin Motherboard connector (550mm)
1X 8 / 4-Pin EPS / ATX 12V connector (550mm)
4X 8 / 6-Pin PCIE connector (550mm / 100mm)
4X SATA connector (400mm / 120mm / 120mm / 120mm)
2X SATA connector (300mm / 120mm)
3X 4-Pin Peripheral connector (400mm / 120mm / 120mm)
2X 4-Pin Peripheral connector (300mm / 120mm)
1X 4-Pin Floppy connector (100mm)
Cooling System
Fanless thermal solution
Noise Level
0 dBA
Fanless Power Supply Dimensions
150 mm (W) x 86 mm (H) x 160 mm (D)
2.3 kg

Price: $230.00