Though "Frostbourne Edition" sounds like something from World of Warcraft, it's actually the latest variant of Xigmatek's popular Dark Knight CPU Cooler with an impressive silver exterior. The cooler measures 120 x 50 x 159 mm, weighs 406 g and includes an XOF-F1251 120 mm PWN fan that spins at between 800 and 1400 RPM and is capable of moving 60 CFM of air at noise output of just under 16 dBA.
The SD1283 is an aluminium alloy fin-tower heatsink with Xigmatek's Stealth ceramic coating for improved heat dissipation and feature three 8 mm U shaped heatpipes that are rated for a maximum TDP of 160 W.
The Dark Knight SD1283 Frostbourne Edition supports nearly all modern AMD and Intel sockets and is expected to hit store shelves at a price of $50.
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IMHO the Air-cooling market is a bit saturated, we can hardly expect any more breakthroughs.
the only possibility of a breakthrough is in material sciences and a creation of a cheaper, ligher, or more thermal-conductive alloy (or any combination of the three). unfortunately this is not the job of any of these cooling companies :P
Actually in a lot of tests, Xigmatek Aegir gave better results with just one fan on it and by better, like 1-3C difference while being fairly cheaper.
Um, aren't ceramics typically thermal insulators?
The MPCHS dissipates heat faster than metal heat sinks without storing heat within itself. MPCHS heat sinks are made from the lowest thermal capacity material in unit volume compared to traditional copper and aluminum solutions. The surface area of the MPCHS is greater than metal heat sinks by around 30%; hence, more surface area to contact air and dissipate more heat in a set unit time. Being non-metallic they also help ensure a reduction in any possible EMI/EMC issues.
- See more at: http://www.electronics-cooling.com/2010/11/micro-porous-ceramic-heat-sinks-enhance-heat-dissipation/#sthash.ZIqCcJwa.dpuf
There are several air coolers that beat the NH-D14. Some of them are even quieter too. Phantek's top cooler is a good example.