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Silverstone Tek Nightjar Series 500-Watts Fanless 80 Plus Silver Certified ATX 500 Power Supply ST50NF

5.0 out of 5 stars 3 customer reviews

Price: $206.40 & FREE Shipping. Details
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  • Fan-less thermal solution, 0 dBA acoustics
  • 500W continuous power output
  • Strict ±3% voltage regulation
  • Efficiency 84%~88% at 20%~100% loading
  • PCI-E 8pin and PCI-E 6pin connector support
  • Powerful class-leading single +12V rail, support ATX 12V 2.3 & EPS 12V<
  • Aluminum construction
  • Server-level components
3 new from $125.38

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$206.40 & FREE Shipping. Details Only 2 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.


Technical Details

  • Brand Name: SilverStone Technology
  • Model Number: ST50NF

Product Description

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.

Product Information

Product Dimensions 14 x 8.5 x 5.5 inches
Item Weight 8.7 pounds
Shipping Weight 8.7 pounds (View shipping rates and policies)
ASIN B005ELA20S
Item model number ST50NF
Customer Reviews
5.0 out of 5 stars 3 customer reviews

5.0 out of 5 stars
Best Sellers Rank #3,823 in Electronics > Computers & Accessories > Computer Components > Power Supplies
Date first available at Amazon.com July 21, 2011

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Top Customer Reviews

I had the 450W predecessor to ST50NF and it's the best 0 dB power supply available.

My power supply worked 24/7 for 3.5 years after which it silently failed. The computer froze and on restart the red LED would light up. The warranty is 3 years and no computer electronics were damaged.

The power supply is the weakest point of a computer so this performance is good and actually one of my best power supply experiences to date. During the 3.5 years, I had a handful occasions of the computer freezing and bought powered USB hubs after the power on USB ports over time would shut off until restart.

I would recommend this model because it has the LED indicators. It also seems to be good idea to over-dimension, since I pulled 360W out of a 450W unit and had occasional problems.

I will buy this product again.
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Verified Purchase
Just installed this beauty into an older rack mount PC.
The aluminum frame is solid and the set of connectors were more than needed.
Four screws bolted PS into place into the 3U case matched.
Good documentation.
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Verified Purchase
this is being used to power a HTPC. The quality of the construction was impressive. Works as advertised, no sign of heat problems.
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Silverstone Tek Nightjar Series 500-Watts Fanless 80 Plus Silver Certified ATX 500 Power Supply ST50NF
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This item: Silverstone Tek Nightjar Series 500-Watts Fanless 80 Plus Silver Certified ATX 500 Power Supply ST50NF