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Scythe Infinity SCINF-1000 Heatsink Review
Scythe Infinity SCINF-1000 Heatsink Review
Abstract: At least we would assume all that is accurate after testing the Scythe Infinity heatsink... The Infinity is a big heatsink for sure; it stands 155mm tall, 125mm wide and about 114mm deep with its 120mm 1200RPM fan. The scale tips at 960 grams, or just short of a kilogram.

 Manufacturer  Category  Published  Author 
Scythe   Cooling / Heatsinks   Dec 14, 2007   Max Page  

The Japanese thermal solutions manufacturer, Scythe, has earned itself a positive reputation for producing good low noise and thermally efficient heatsinks. For the most part, pointless flash and excess bling have been omitted, and the company has instead focused its engineering efforts on reducing noise output and maximizing thermal efficiencies.

At least we would assume all that is accurate after testing the Scythe Infinity heatsink... The Infinity is a big heatsink for sure; it stands 155mm tall, 125mm wide and about 114mm deep with its 120mm 1200RPM fan. The scale tips at 960 grams, or just short of a kilogram.

Now as you've come to expect with Frostytech, we'll skip the suspense and just tell you straight up - the Scythe Infinity is an excellent heatsink. It is currently one of the Top 10 Intel/AMD heatsinks we've tested in fact. The Infinity runs cool, and it runs fairly quietly too. Excellent attributes for sure, but because of its large size, compact PC cases may not be able to accommodate it.

It seems like a lot of Scythe's heatsinks are making it into the upper class of CPU coolers. Anyway, Scythe's Infinity (SCINF-1000) heatsink installs onto any AMD K8 754/939/940/AM2/AM2+ or Intel socket 478/775 processor, and comes with a single fan although two could be mounted in a push-pull configuration if desired. The Scythe Infinity retails for about $45 USD through sites like or

Scythe Infinity Heatsink
heatsink specsheet
manufacturer: scythe
model no.: infinity (scinf-1000)
materials: aluminum fins, nickel plated copper heatpipes, extruded aluminum, copper base
fan mfg: scythe dfs122512l
fan spec: 1200rpm, 12v, 0.18a
fan dim: 25x120x120mm
heatsink dim: 156x125x115mm
weight: 960 grams
includes: mounting hardware, thermal compound, fan clips, printed instructions

Compatible with Sockets: 478, LGA775, 754/939/940/AM2/AM2+
Est. Pricing: $45USD ($45CDN / £21GBP)

Installing multi-socket compatible heatsinks can be a tricky thing. Manufacturers sometimes make just one bracket fit every kind of CPU socket available, and you get left figuring out a box full of hardware and instructions printed in 15 languages.

With the Infinity heatsink, Scythe is using a system of clips that make installing this heatsink onto a variety of Intel or AMD processors straightforward.

There are three pairs of clips. Each one clicks into the side of the heatsink without the use of any tools, and is removable by the same means. Standard LGA775 push to connect clips are used for current generation Intel chips, while another set of brackets accommodates older socket 478 processors. All four generations of AMDs Athlon64 CPU are serviced by one cam lever clip that engages on the central lug of the AMD heatsink retention frame. There are no rear-support plates to install, no screws to loose.

I have to say that of a all the heatsinks FrostyTech has reviewed recently, these clips are the most convenient. The heatsink is held on firmly and the appropriate amount of clamping pressure is applied to the CPU below. The heatsink ships with a small pack of thermal compound and illustrated instructions. It would have been nice if an additional set of wire clips were provided so two ultra-low RPM 120mm fans could be used, but that's about the only omission we found.

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!

° Next Page 

Table of Contents:

 1: — Scythe Infinity SCINF-1000 Heatsink Review
 2:  360° View - Scythe Infinity SCINF-1000 Heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4:  AMD K8 Heatsink Temperature Comparisons
 5:  Intel 775 Heatsink Temperature Comparisons

List all Scythe heat sinks that Frostytech tested?

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