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Posted by
Toby Crundwell
on August 24, 2001
Manufacturer Website: Speeze
 The
copper 5P53B3 is the third model with a name that really
rolls of the tongue. It is quite a lot smaller than the
other two heatsinks Speeze provided us with, however it is
also quite a lot heavier. The design is totally different.
Whereas the other two heatsinks have open fins, the folded
fins on the 5P53B3 are enclosed. No doubt this has something
to do with the way copper disperses heat. I guess its so the
fins get more air blowing in to the fan. Speaking of which,
the fan employed on this heatsink is only 50 mm, as compared
with the 60 mm fans on the other heatsinks. Unfortunately
this means that, unlike the other two, you cannot upgrade
the fan to a more powerful model like a Delta Black label,
or at least not without a lot of hassle.
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Zif socket A, up to 1.4 GHz
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Dimensions: 63×60×46mm (w × d ×
h). Fan: 55x55x15mm.
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Ball bearing 4500 RPM 15.10 CFM fan
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Rated power 1.56 W / Noise level
29.0 dBA
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Estimated life span: 50000 hours
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Features Full Copper made heat sink,
folded fin.
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Thermal resistance 0.59° C/W
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Thermal type T-725
Installation
The three coolers I was supplied with
each came packaged separately, with a small quick
installation diagram stuck on the inside of the box lid of
each cooler. This basically explained how to apply the extra
pink thermal pad each cooler was supplied with. The set of
three came with five pads, which is a good thing seeing as I
managed to ruin the first two pads I tried to apply to the
heatsink. It was just a case of putting the pad on the
bottom of the heatsink, roughly central (the pads are bigger
than the CPU die so there was no need to exercise caution
over positioning), and pull away the backing. Inevitably
some of the thermal pad remains stuck to the backing, and
what's left on the heatsink is an uneven appliance of the
pad; definitely not what is needed. Thankfully, Speeze
provided something that is hard even for clumsy oafs such as
myself to misapply; silicone paste (commonly known as
thermal compound). I had much more luck with using this.
Some of you may be wondering why the thermal pads were
supplied separately and not as part of the heatsink as is
common for many other heatsinks. The reason for this is
simple; choice. If you want to use some arctic silver on a
heatsink, it must have its thermal pad removed. Doing this
is takes quite a lot of patience if the pad is stuck firmly
and it is all to easy to scratch the bottom of the heatsink,
definitely not recommended. Speeze have thought of this
occasion and supplied pads separately, and thermal compound
should you wish to use that instead.
The
clip on the coolers is just as taught as any other on a
socket A heatsink. Unfortunately, there is no way of getting
around this as AMD specifies a large minimum amount of
pressure that a heatsink must have on the CPU; or at least
it is large when compared with older Socket 7 heatsinks.
Speeze, like many other companies, have designed the clip so
that once it is attached to one end of the socket; all that
is needed is a flat head screwdriver to push the other end
down. It only took a few seconds to install, and didn't
require a second screwdriver to lever the clip onto the
"head" of the socket as is common with many other
heatsinks. Removal of the heatsinks could be done in the
same way - with one flathead screwdriver. The clip is sill
much easier to manipulate than on other socket A heatsinks I
have used in the past though. However, trying to remove it
without flathead screwdriver or similar tool would be very
hard.
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