Viewing page 1 of 4 pages.
1 2 3 4 NextFebruary 1, 2007 by Devon
Cooke
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Product
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Thermalright SI-128
Socket 775 / K8 CPU Heatsink
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Manufacturer
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Market Price
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US$50~70 |
Thermalright is a name that consistently appears on best heatsink lists all
over the web. They're not cheap, and they make some of the best heatsinks around
including several that have spent time on SPCR's recommended list. In
fact, the Thermalright Ultra-120
is currently one of the top-performing heatsinks we know of. It's so good that
we have to wonder: Why bother selling any other models? The answer is every
product has a finite life cycle, and new products are needed for every company
to maintain or grow sales.
Most current Core 2 Duo chips run cool enough that just about any heatsink
will do. That's great for users; less heat means less noise and smaller, less
expensive heatsinks. It's not so good for manufacturers like Thermalright though.
Why buy a US$50 heatsink when the stock heatsink will do the job just as effectively
and just as quietly without shelling out any extra cash?
In these market conditions, it's not so easy to figure out where the market
for the SI-128 lies. The SI-128 costs US$50 without a fan but
it's smaller than the Ultra-120 and is unlikely to match it in performance.
Fortunately for Thermalright, there's one market sector that has a use for small
heatsinks: The home theater market. Chances, it will be here that the SI-128
has the best chance of success.

The usual plain cardboard box.
Thermalright likes to do things a bit differently from other companies, and
this is apparent even in the way it packages its products. Like all Thermalright
products, the SI-128 came embedded in a nest of custom-cut foam inside a sturdy
brown cardboard box. It is well insulated against bumps and shocks.
Another Thermalright quirk is the stock fan or lack thereof. Thermalright
is the only company we know of that sells heatsinks alone without cooling fans,
even though they are not designed for fanless cooling (the
fanless HR-01 is an exception). Presumably, Thermalright products are so
exclusive that their customers like to choose their own fans.

Look, ma, no screws! (two fan clips are missing from the photo).
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| Feature & Brief |
Our Comment |
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120mm fan recommended for maximum cooling capability.
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Fan not included. |
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Huge 8mm multiple heatpipes for even more efficient heat transfer
to the aluminum fins.
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Are bigger heatpipes better? Thermalright
seems to think so. |
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Multiple tightly gapped fins for more surface area with longer
and wider wingspan than SI-120.
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More surface area is indeed good for heat dissipation... but high
density requires higher airflow (read: noisy) to force air between them.
The best heatsinks feature a good balance between the number of fins and
the space between them.
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Vast compatibility across multiple platforms for newest AMD
and Intel CPUs.
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Support for older sockets, such as Socket
478 and Socket A has been dropped. |
| Enormous wingspan gives extra cooling
to MOSFET or NB chipset. |
This is especially important for passively
cooled high end motherboards that often rely on system airflow for cooling. |
Includes adapters for LGA775, K8, and
AM2 platforms
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Here's where they say exactly what "vast
compatibility" means. |
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Heatsink Dimensions
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L125 x W145 x H91.5 mm (heatsink only) |
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Weight
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510g (heatsink only) |
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Recommended Fan
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All 120mm Fans
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Compatibility
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INTEL: All Intel P4 LGA775 processors
AMD: Athlon 64 / FX / X2 / Opteron all models
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| Help support this site, buy the Thermalright SI-128 LGA775 / K8 Heatsink from one of our affiliate retailers! |
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