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Silverstone NJ520 520W Fanless 80Plus Platinum PSU

Web ID: 26374

520W, ATX, single +12V rails with 43A output, Fan less thermal solution with 0dBA, efficiency 80Plus Platinum certification, Full modular cable, 160mm depth, 2x8/6pin PCI-E. ONLY WHILE STOCKS LAST!
Manufacturer Warranty: 3 Year
Manufacturer PN: SST-NJ520

silverstone nj520 520w fanless 80plus platinum psu

? Fan-less thermal solution, 0 dBA acoustics

? High efficiency with 80 PLUS Platinum certification

? 100% modular cables

? Strict ??2% voltage regulation and low ripple & noise

? 24/7 continuous power output with 40?J operating temperature

? Class-leading single +12V rail

? PCI-E 8pin and PCI-E 6pin connectors support

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SilverStone??s Nightjar NJ520 is a fanless power supply that offers users a whole new experience of quietness and stability. Its premium components and engineering 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 noise-less performance can be maintained with stringent electrical characteristics even under 40?XC 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 PSUs with their consistent emphasis on quality, stability, and reliability, are sure to satisfy.



Model No.
Max. DC Output
Power density
252W per liter
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 +3.3V & +5V
Combined +12V
Input Voltage
90V ~ 264V
Input Frequency Range
47Hz ~ 63Hz
Active PFC (PF>0.99 at full load)
89%~92% at 20%~100% loading
100,000 hours
Operating temperature
0 ~ 40?XC
Over Current Protection
Over Power Protection
Over Voltage Protection
Over Temperature Protection
Short Circuit Protection
No Load Situation
1 x 24 / 20-Pin motherboard connector?]600mm?^
1 x 8 / 4-Pin EPS / ATX 12V connector?]650mm?^
4 x 8 / 6-Pin PCIE connector?]550mm / 100mm?^
4 x SATA connector?]400mm / 120mm / 120mm / 120mm?^
2 x SATA connector?]300mm / 120mm?^
3 x 4-Pin Peripheral connector ?]400mm / 120mm / 120mm?^
2 x 4-Pin Peripheral connector ?]300mm / 120mm?^?
1 x 4-Pin Floppy connector?]100mm?^
?? NJ520 is not compatible with?PP05,?PP05-E?and?PP06?cables.
Cooling System
Fan Less thermal solution
Form factor
Noise Level
0 dBA
150 mm (W) x 86 mm (H) x 160 mm (D)?
5.91" (W) x 3.39" (H) x 6.3" (D)
2.3 kg
80 PLUS Platinum
GPU Support list?
Compatible with ATX12V v2.4
?? Specifications presented on this page contains most recent revisions and may differ from those printed on retail boxes or manuals.