Thermalright XP-90 CPU Heatsink

Cooling
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SPECIFICATIONS

Compatibility:

AMD: Athlon64 FX 3200+ (socket 939/940) /Athlon64 3200+ (socket 754) and above
Intel: Pentium-4 socket 478 3.2 GHz and above

Dimensions: L116 x W96 x H75 (mm) Fin only, without fan
Weight: 360g (heat sink only)
Recommended Fan: Panaflo FBL09A12M

FEATURES

  • Multiple heat pipes for exemplary heat distribution efficiency through the aluminum fins
  • Aluminum fins soldered to nickel-plated copper base for effective contact and heat transfer
  • Light weight and easy to install
  • Compatible across multiple platforms (Socket 478/754/939/940)

The base of XP-90 is a quarter-inch thick slab of copper, very well machined and nickel-plated to an almost mirror-like sheen. The aluminum fins appear to be directly soldered to the base. The fins have a very steep vertical rise from the base to clear any tall mainboard components near the socket. The heatpipes run from the base to the sides of the top portion of the fins.


Contact surface, smooth like butter.


Installed: Clearance was not an issue with the test bed.


Fan mounts via clips that notch to the frame, like on the XP-120.

XP-90 offers two sets of clips for mounting either an 80mm or a 92mm fan. Thermalright assures us that cooling is the same with the fan blowing up or down. The vibration dampening strips were utilized during the test. Like the XP-120, the clips included with XP-90 hook to the lower flange of the fan, rather than the upper flange. No fan was included, as is the norm for a Thermalright HS.

Even though the HS clips to the stock retention bracket in a conventional way, it is still best to lay a tower case system on its side. It takes a lot of force to get the clips engaged. This can be done without removing the mainboard from the case -- although for K8, the stock retention bracket must be replaced, which means motherboard removal. Start by engaging the clips under the high portion of the fins, and then hook the clips near the heatpipes. This is much easier to do than on the XP-120, whose large fins completely block easy access to all four clips.



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