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Spire FridgeRock 5U213C1H3G Heatsink Review
Spire FridgeRock 5U213C1H3G Heatsink Review
Abstract: The FridgeRock's fan comes with a thermistor attached by the outside leads which monitors case temperature, and adjusts RPM to suit.

 Company link  Category  Published  Author 
Spire   Cooling / Heatsinks   Apr 17, 2003   Max Page  
Home > Reviews > Page Title: The heatsink from all sides

Spire 5U213C1H3G Heatsink From All Angles
The Fan:
The blades are protected from things which could cause the fan to seize with a metal grill. The fan adjusts its speed according to the ambient case temperature, changing from 3500-4200 RPM. Power comes via a standard three-pin motherboard header which also supports RPM monitoring.

Heatsink Top:
The little clip at the center of the fins prevents the single-tab, retention clip from moving up too far during handling. The single cross cut indicates where the clip locks into the heatsink to create the fulcrum. There are several other cross cuts on the outer five fins to aide cooling where air pressure may be a bit lesser.

Side A:
A total of seven cross cuts decorates the outside of the FridgeRock heatsink. The outer fins have some texturing for added grip, but the inner fins are completely smooth. The fan is mounted within a small plastic fan support bracket which really only holds it in position.

Side B:
From the side profile we can see that the overall base thickness is basically 8mm, with 4mm of that being copper. The fins are just under 1mm thick at the base, and are spaced nearly 2mm apart. The single-tab clip requires a screwdriver to lock it into place on the socket. The heatsink has 26 fins which average 29mm tall.
Heatsink Base:
The base of the heatsink is covered with the copper plate over an area of 67mm x 40mm. The 4mm thick copper plate is held in place with a few screws and the thermal interface bridged with white silicon-based thermal compound. The idea of the copper plate is to disperse the heat from the processor core over a larger area for more efficient cooling. The base is relatively smooth (sanded finish), but when measured with a straight edge not evenly flat over the entire length. The area where the core comes in contact with the copper is pretty flat.

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Table of Contents:

 1:  Spire FridgeRock 5U213C1H3G Heatsink Review
 2: — The heatsink from all sides
 3:  Heatsink Test Parameters
 4:  Thermal And Acoustic Results
 5:  Final Temperature Results

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