Speeze Coolers review

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.

  • Zif socket A, up to 1.4 GHz

  • Dimensions: 636046mm (w d h). Fan: 55x55x15mm.

  • Ball bearing 4500 RPM 15.10 CFM fan

  • Rated power 1.56 W / Noise level 29.0 dBA

  • Estimated life span: 50000 hours

  • Features Full Copper made heat sink, folded fin.

  • Thermal resistance 0.59 C/W

  • Thermal type T-725


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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