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Calyos NSG-S0 100% Silent Fanless Gaming PC Review (Page 1)

Calyos NSG-S0 100% Silent Fanless Gaming PC Review

Calyos calls its NSG-S0 the world's first fanless chassis for high performing PCs. Is it any good? Let's find out.

By Steven Bassiri from Apr 27, 2017 @ 22:21 CDT
TweakTown Rating: 96%Manufacturer: Calyos



Calyos is a company many of you might not have heard of before. At CES2017, Calyos showed off its completely fanless PC solution and became a CES 2017 Innovation Award Honoree. Calyos has been around since 2012 and specializes in fanless designs for both consumer and enterprise PC systems.

In 2014, their first prototype for their high-performance fanless PCs was produced, and today we have one of their latest prototypes in hand to give you an overview of their technology.



The chassis itself weighs 13kg (almost 29lbs) and has dimensions of 410x139x400mm (LxWxH). Our unit came with a 6700K, and MSI Z170A SLI Plus, 16GB of 3000MHz TridentZ memory, a GTX 1080, and a 250GB Samsung 850 EVO SSD. The hardware used in this build can be bought off the shelf, and other than the VRM and memory cooling on the GTX1080, none of the hardware has been modified.


The NSG-S0 can be bought as an independent chassis or as a fully built system. The company's Kickstarter campaign is coming to an end in less than 40 hours from now, but their product is real and not just a prototype. Some have said that a fully functioning fan-less PC is practically impossible, but that couldn't be further from the truth. Using loop heat pipe technology, heat is transferred from the CPU and GPU to giant radiators on the back of the chassis where it is then dissipated.

The neat part of the heat pump is that there is no pump at all; it's the physics of heat transfer, evaporation, and condensation that makes this silent PC possible. There have been phase change coolers in the pasted used for extreme cooling, and this concept isn't significantly different, but the parts and materials are.


The Calyos NSG-S0 can be bought as just a chassis or as a fully built system. Our configuration (out of date compared to their Kickstarter) would cost anywhere from $2715 to $3,149, that's going off their Kickstarter page. Prices after their campaign ends could be higher.

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