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SILVERSTONE Tek Nightjar NJ520 520W Completely Fanless ATX12V / EPS12V 80 PLUS PLATINUM Certified Full Modular Active PFC Power Supply with Zero dBA Acoustics
- ATX12V / EPS12V
- Full Modular
- 80 PLUS PLATINUM Certified
- 90 - 264 V 47 - 63 Hz
- +3.3V@20A, +5V@20A, +12V@43A, [email protected], [email protected]
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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 104°F (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 PSUs with their consistent emphasis on quality, stability, and reliability, are sure to satisfy.
SPECIAL FEATURES
- 1. Designed for 80 PLUS Platinum level of efficiency to reduce wasted heat and save on electricity.
- 2. Powerful single +12V rail design, perfect for future high-end component upgrades or overclocking.
- 3. 100% modular cable design for easy removal in a case with cable routed and tied down.
1 x 24 / 20-pin motherboard connector
1 x 8 / 4-pin EPS / ATX 12V connector
2 x 8 / 6-pin PCIE connectors
6 x SATA connectors
5 x 4-pin peripheral connectors
1 x 4-pin floppy connectors
- 4. ±2% regulation and low ripple & noise performance for high stability.
- 5. Fan-less thermal solution, 0dBA acoustics
- 6. 24/7 continuous power output with 104°F (40°C) operating temperature
Specifications
| Model No. | SST-NJ520 | ||||
| Max. DC Output | 520W | ||||
| Load Range | |||||
| Rail | +3.3V | +5V | +12V | +5VSB | -12V |
| Max. (Amps) | 20A | 20A | 43A | 2.5A | 0.5A |
| Min. (Amps) | 0A | 0A | 0A | 0A | 0A |
| Range | ±2% | ±2% | ±2% | ±5% | ±10% |
| Line Reg. | ±1% | ±1% | ±1% | ±1% | ±2% |
| Ripple (mVp-p) | 50mV | 50mV | 120mV | 50mV | 120mV |
| Combined +3.3, +5V | 100W | ||||
| Combined +12V | 516W | ||||
| Input Voltage | 90 ~ 264V | ||||
| Input Frequency Range | 47Hz - 63Hz | ||||
| PFC | Active PFC. (PF > 0.99 at Full Load) | ||||
| Efficiency | 89% - 92% at 20% - 100% loading | ||||
| MTBF | 100,000 hours | ||||
| Operating Temperature | 32 - 104°F (0 - 40°C) | ||||
| Protection | Over current protection Over power protection Over voltage protection Over temperature Protection Under voltage protection Short circuit protection No Load Situation |
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| Connectors | 1 x 24 / 20-Pin motherboard connector (600mm) 1 x 8 / 4-Pin EPS / ATX 12V connector (650mm) 2 x 8 / 6-Pin PCIE connector (600mm) 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. |
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| Color | Silver | ||||
| Cooling System | Fan Less thermal solution | ||||
| Noise Level | 0dBA | ||||
| Dimensions (W x H x D) | 6 x 3.3 x 6.3 inches (150 x 86 x 160mm) | ||||
| Weight | 5lbs (2.3kg) | ||||
| Form Factor | ATX | ||||
| Certification | 80 PLUS Platinum | ||||
| Other | Haswell CPU support | ||||
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's 30-Day Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-909-465-9596
- Support Email: [email protected]
- Support Website
- View other products from Silverstone

































