The appearance of the block is sufficient for typical fanless models mesh body, covered from top to a massive aluminum heatsink. Immediately we can notice that the radiator fins are frequent and low, and therefore the most favorable work for him – blowing weak air flow, for example, the case fans. Although in theory the fanless power supplies can operate without any air flow, at least one low-speed fan inside the computer is better to have – it will facilitate the operation and power supply and motherboard and hard drives.
This power supply has two led indicator next to the power connector : one shows that the unit operates, the second – that it is not too hot (overheat color change to red).
The conclusion of SilverStone Nightjar SST-ST40NF no any significant drawbacks: it is a great fanless power supply with a high (for standards in this class) power output, very high efficiency, excellent stability and stress full set of connectors. Without a doubt, want to buy silent power supply unit may be looking at a series of Nightjar without any fear.
Product Features : 400 WattPower Supplies Fanless power supply (silence) 80 PLUS Certified Power supply Active PFC Power Supply Technical Details : Brand Name: SilverStone Model: ST40NF Item Height: 14 inches Item Length: 9 inches Item Width: 6 inches Item Weight: 9 pounds
Buy this SilverStone Nightjar 400W ST40NF: 
