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Glacialtech Igloo 5610 Silent Heatsink Review
Glacialtech Igloo 5610 Silent Heatsink Review
Abstract: The Glacialtech Igloo 5610 Silent heatsink is identical the Igloo 5610 PWM model in all ways, except that the two coolers use different fans.

 Manufacturer  Category  Published  Author 
GlacialTech   Cooling / Heatsinks   Dec 03, 2007   Max Page  

The Glacialtech Igloo 5610 Silent heatsink is identical the Igloo 5610 PWM model in all ways, except that the two coolers use different fans. The Igloo 5610 Silent that Frostytech is testing in this review has a nice and quiet fixed-speed fan, the previous model a louder PWM fan. Both heatsinks are compact LGA775 compatible CPU coolers and suitable for office PCs.

Glacialtech's Igloo 5610 Silent is a simple heatsink, economically priced and quiet running as its name suggests. According to Frostytech's real world measurements, it produces less than 45 dBA. The cooler is comprised of two heatpipes, a small section of extruded aluminum heatsink and a short array of aluminum cooling fins. It weighs a feathery 373 grams, and ships with a pre-applied patch of thermal compound on its base.

The only odd thing with the Glacialtech Igloo 5610 series is the manufacturer's choice of using screw-based clips. For a heatsink this light, we would have expected the standard Intel push-to-click plastic retention mechanisms. Instead with the Igloo 5610 Silent we find four captive screws and a metal rear-motherboard support bracket which necessitates removing the board from the PC chassis. For a heatsink that weighs 373grams, that comes with pre-applied thermal compound, and that is best suited towards generic office PCs, this isn't convenient.

For system integrators, or industrial PC applications a screw based heatsink retention mechanism fits the bill. Perhaps that is the intended application here... Anyway, let's begin the analysis of the Glacialtech Igloo 5610 Silent heatsink.

Glacialtech Igloo 5610 Silent Heatsink
heatsink specsheet
manufacturer: glacialtech
model no.: igloo 5610 silent
materials: aluminum fins, nickel-plated copper heatpipes and base, nickel plated extruded aluminum heatsink.
fan mfg: power logic pla08025d12m
fan spec: 1800rpm, 12v, 0.14a
fan dim: 20x80x80mm
heatsink & fan dim: 107x64x99mm
weight: 373 grams
includes: mounting clips, pre-applied thermal compound, instructions

Compatible with Sockets: 775
Est. Pricing: $20USD ($20CDN)

The Glacialtech Igloo 5610 Silent heatsink is a pretty straightforward CPU cooler. Only after removing the 80mm fan do we see one of its unique qualities - scalloped cooling fins. Seen from the top down, the leading edge of each aluminum fin has a little wavy pattern punched out of it. This helps break up laminar air flow and decrease back pressure as the air exits the fan and proceeds through the array of aluminum cooling fins which are press-fit around the heatpipes. The heatpipes are soldered to the copper base, but not each individual aluminum fin.

FrostyTech's Test Methodologies are outlined in detail here if you care to know what equipment is used, and the parameters under which the tests are conducted. Now let's move forward and take a closer look at this heatsink, its acoustic characteristics, and of course its performance in the thermal tests!

360° View - Glacialtech Igloo 5610 Silent Heatsink
Information on Frostytech's test methodology is available here.

The Heatsink Fan:
The 80x80x25mm fan rotates at a speed of 1800RPM and doesn't generate that much in the way of noise. The Glacialtech Igloo 5610 Silent draws power from a standard 3-pin motherboard fan header. The eleven-blade impeller doesn't have a wire fan grill protecting it, so make sure errant wires are well clear of the blades.

Heatsink Top:
Looking from the top down, the Glacialtech Igloo 5610 Silent heatsink has a compact profile that is 64mm deep. Two 6mm diameter U-shapped heatpipes poke out from the top on either side. The fan is attached to an aluminum fan shroud which wraps around the top of the cooler to create a small plenum in front of the raw aluminum fins.

Heatsink Side A:
Viewed from the side we have a better idea of how simple the Glacialtech Igloo 5610 Silent heatsink is. Two 6mm diameter heatpipes, a 62mm high section of aluminum fins, a small extruded heatsink below this and a thin copper base. Each aluminum fin is 0.31mm thick and spaced 1.2mm from the next. The fins are press-fit over the heatpipes, not soldered. Note the white cups which hold each of the four mounting screws.

Heatsink Side B:
From the rear the Glacialtech Igloo 5610 Silent heatsink presents an unimpeded route for air to flow through. The little extruded heatsink looks like something used on chipsets, it's essentially 50 x 21.5 x 37mm in size and forms the base of the entire cooler. Square recesses are machined in its base for the heatpipes to pass through, and on top of them is the copper base plate. Its fins are 0.75mm thick at the base, spaced 1.15mm apart.

Heatsink Base:
The base of the Glacialtech Igloo 5610 Silent heatsink consists of a small 34x32.75mm square of nickel plated copper base. The base is 2mm thick, but is soldered to the heatpipes and rest of the heatsink chassis. The base has a smooth surface finish with a roughness of ~16 microinches or better, and is quite flat. The heatsink ships from the factory with a pre-applied patch of thermal compound. Each for the four mounting screws is held captive in the little white cups so they won't fall out during the installation procedure.

° Next Page 

Table of Contents:

 1: — Glacialtech Igloo 5610 Silent Heatsink Review
 2:  Acoustic Comparisons and Base Surface Quality
 3:  Intel LGA775 Final Heatsink Temperature Comparisons

List all GlacialTech heat sinks that Frostytech tested?

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