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JMC Arctic Blast 400023 Heatsink Review
JMC Arctic Blast 400023 Heatsink Review
Abstract: The Arctic Blast heatsink we are looking at today is rated for just an Athlon XP of up to 1.53GHz (PIII CuMine to 1.1GHz).

 Manufacturer  Category  Published  Author 
JMC Products   Cooling / Heatsinks   Mar 24, 2002   Max Page  

Home > Reviews > Page: Time for a close look at this heatsink
JMC Products Arctic Blast Heatsink From All Angles
The Fan:
The fan really doesn't seem like it is very advanced. The impeller style is not generally something we comment on, but in this case the fan blades stood out for their utter simplicity. The fan connects to the motherboard via a nice 31cm long cable which connects to a 3-pin fan header supporting RPM monitoring. The fan is held in place by four rather large bolts.

Heatsink Top:
Notice that "Taisol" is written on the socket clip? The 80mm long extrusion has no cross cuts, and no texturing on the very thin fins themselves. It is good to see the little tabs on the socket clip which prevent the assembly from sliding on the core after it has been installed.

Side A:
With a total of 21 fins on the Arctic Blast measuring from 0.5mm to 0.2mm at the tips air resistance should not be much of an issue. The fins are each spaced 2mm apart and the baseplate is 7mm thick which is just slightly over the norm of 6mm.
Side B:
The clip requires the use of a screwdriver to engage or disengage and is easy enough to work with. The fins all have a smooth finish which doesn't lend itself to creating turbulence in the air moving over their surfaces.
Heatsink Base:
Mass produced extruded heatsinks tend to have their bases sanded because the extrusions are not necessarily flat. The sanding process smooths out small bumps or waves in the base which could case problems when mounting it to processors. JMC use a small patch of Chomerics T725 to bridge the thermal gap.

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Table of Contents:

 1:  JMC Arctic Blast 400023 Heatsink Review
 2: — Time for a close look at this heatsink
 3:  New Heatsink Test Parameters
 4:  Thermal and Acoustic Results

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