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Cooler Master Jet 4 ICB-V83 Pentium 4 Heatsink Review
Cooler Master Jet 4 ICB-V83 Pentium 4 Heatsink Review
Abstract: If you have an aluminum case, you'll be pleased to see that the 3.5" aluminum bracket is tastefully done, and should fit in nicely.

 Manufacturer  Category  Published  Author 
CoolerMaster   Cooling / Heatsinks   Apr 18, 2004   Max Page  

Home > Reviews > Page: Closer Examination of the Heatsink
Coolermaster Jet4 Heatsink From All Angles
The Fan:
Coolermaster's Jet 4 heatsink has pretty unique style for its intake fan. The fan draws a lot of current, so a molex passthrough cable is necessary. Another wire delivers the RPM signal to the motherboard, keeping those fan alarms from freaking out. The fan sits on an aluminum frame which connects to the copper base. Because of how the jet fan frame overlaps the aluminum part of the heatsink slightly, it can be a bit tricky to get the clips seated properly.

Heatsink Top:
Two stainless steel socket 478 retention clips hold the large Jet 4 heatsink in place by clamping down on the aluminum fan shroud at either side of the cooler. The remainder of the Jet 4 is constructed from thin sheets of copper soldered to a 4mm thick copper base.

Side A:
This looks like the exhaust end of the fan the way it is designed, but is actually another air intake. The build quality of this heatsink is evident through the nice tight joints at the corner of the shroud which is swaged firmly into the copper base. The aluminum shroud has some vents punched into it to allow air to escape along the outer row of copper fins.

Side B:
The jet engine styled fan is larger than the rest of the heatsink, so if you are looking to use this cooler in your computer, make sure there is enough vertical room to accommodate the roughly 135mm height. The copper base is 4mm thick, and the copper fins measure 0.3mm thick. Each of the 44 fins measure 29mm tall, and are spaced 1mm apart.

Heatsink Base:

The base finish of the copper plate is pretty good, of average flatness, with a typical sanded finish of approximately 32microinches roughness. The copper base is 60x66mm in size, so if you ever wanted to try a little modified TEC cooling here, that could work rather well.

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Table of Contents:

 1:  Cooler Master Jet 4 ICB-V83 Pentium 4 Heatsink Review
 2: — Closer Examination of the Heatsink
 3:  Heatsink Thermal/Acoustic Test Parameters
 4:  Surface Roughness Comparison
 5:  Temperature Test Results

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