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Spire 5U213C1H3G next to 1-inch fan grommet for scale reference.
Another nice retail box.
Even with the thermistor controlled fan, the Spire is a different animal than the Arctic Cooling HSF. The main heatsink has extruded aluminum fins with a few crosscuts that don't go all the way through to the other side, and a 2-lug clip that resides in the familiar slot through the center. So the fan airflow exits the HS at least a bit in all directions. There is a copper slug insert on the base. It appears to be screwed in place from the top. The fit is not perfect. On one side, some thermal compound or epoxy can be seen in the seam between the aluminum and copper. The 70 x 25 mm thermistor fan comes equipped with a wire grill and is screwed to a plastic frame that is clipped tightly to the top of the heatsink. It comes with an instruction sheet and a small tube of thermal compound in an attractive retail box.
Black nub on the side is the fan thermistor.
From the Spire website...
| Applications |
- Pentium III ~ 1.4 GHz (FC-PGA2)
- Pentium III ~ 1.13 GHz (FC-PGA)
- Celeron ~ 1.8 GHz (PPGA)
- AMD : Athlon MP ~ 2100+ (Thoroughbred)
- Athlon XP ~ 2800+ (Thoroughbred)
- Athlon XP ~ 2100+ (Palomino)
- Athlon ~ 1.4 GHz (Thunderbird)
- Duron ~ 1.3 GHz (Morgan)
|
| Specifications |
- HS Dimensions: 78×73×49 mm (l × w × h)
- Fan Dimensions: 70×70×25mm
- Bearing: Two Ball
- Rated speed: 3000 ~ 4000 RPM +/-10%
- Rated power: 3.60 W (0.3 A)
- Overall Dimension: 90 x 82 x 73 mm
- Noise level 27.0 ~ 35.0 dBA
- Air flow: 20.13 CFM at 3,000 RPM: 27.19 CFM at 4,000 RPM
- Life: 70,000 hours
- Air Flow: 26.0 CFM
- Thermal Resistance: 0.54°C / Watt
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The specifications provided are fairly complete. The speed range of this fan jumps to the eye; it is varied only from 3000 to 4000 RPM, a very small range. The noise rating for the fan, assumed to be at one meter, is not low, even at the lowest speed. The claimed thermal resistance is modest. The weight is not provided. It was measured to be about 420 grams with a kitchen scale.
Mounting Clip
It is a simple one-piece clip with a hook for the center lug on either side of the CPU socket. A flat-blade screwdriver of the correct size should be used to mount the clip. Although the metal is a bit on the soft side, there is a stiffening ridge down the center of the length of the clip which helps maintain its springiness. The pressure between HS and CPU seems neither too high nor too low. It is not a noteworthy clip, and although the single lug hook on either side is not great, given the relatively low weight, it is adequate.
As with most heatsinks, when installing on a motherboard already inside a case, it's best that the power supply be at least moved out of the way so you can see what you are doing. This precaution can help avoid costly mishaps, especially with AMD processors.
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