CoolerMaster Hyper 48 HSF: 478, K8, 775

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November 2, 2004 by Mike Chin & Jeremy Noring


CoolerMaster Hyper 48 heatsink/fan for socket 478/754/940/939/LGA775


CoolerMaster Co.


Back in June, we conducted an extensive review of the CoolerMaster Hyper 6, a monolithic heatsink that had excellent cooling properties but some serious drawbacks. The 1.1 kilogram weight of the sink alone was enough for us to warn people away, and it shipped with a proprietary fan that exhibited awful acoustics. While CoolerMaster may have a well established reputation when it comes to aluminum cases and innovative new case accessories, their heatsinks have often been showy but poorly thought through.

In October, we reviewed the CoolerMaster Ultra Vortex HSF. This HSF was a radial design with another proprietary fan mount, although we did manage to squeeze a different fan into the mounting system. Again, we found the heatsink to have admirable cooling performance, but the integrated fan was also far too noisy and the whole thing was a bit heavy. The installation process also turned out to be rather hideous.

The subject of today's review may well break these precedents. The CoolerMaster Hyper 48 is a new high performance HSF offering all-copper construction and heatpipe technology, along with a claim of 18.5 dBA. (No measuring distance cited.) It comes with an integrated 92mm fan that does not have a speed control (unlike the Ultra Vortex) and comes with mounting hardware for sockets 478, K8 and 775.

This retail package hides most of the heavy clear plastic...

but it's still there in all its environmentally unfriendly glory.


Model Name: Hyper 48
Manufacturer: CoolerMaster
Compatibility: Socket 478 / 754 / 940 / 939 / LGA775
Fan Dimensions: 90 x 90 x 25 mm
Heatsink Dimensions: 105 x 94 x 70 mm
Combined Dimensions: 105 x 94x 95 mm
Fan RPM: 1400 @ 12V
Fan Noise Level: 18.5 dBA
Weight: 864g with fan

The immediate thing a discerning reader will notice is that this baby doesn't resemble the Hyper 6 or the Ultra Vortex. The overall design of the Hyper 48 is much more conventional, and the only real similarity with the other CoolerMaster HSF mentioned is the all-copper construction. The closest HS design we can think of is the Thermalright SP94, which features all-copper construction, thin fins and a similar heatpipe implementation.

The CoolerMaster Hyper 48: Reminiscent of Thermalright SP94/97

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