Speeze Coolers review

Speeze is the front end to an established Taiwanese company called Fanner. an US based PC peripheral manufacturer that has been up for more than 10 years now. Fanner have been around for a surprising twenty-five years (that's six years older than the original IBM PC!). They have been mainly involved in the OEM/ODM section of the market, which is probably why you haven't heard of them before. The products are also sold under the name of Spire, Fanner(tech) or Bytecom depending on where you live.

A brief outline

The 5E32B3 is a traditional, low cost, all aluminium design. It is a similar sort of build to other overkill coolers such as the FOP3x. However the fan is much smaller. It is a 60 mm 4000 rpm model, outputting 17.1 CFM. This is rather disappointing; especially given the now infamous delta black label (as employed on rival high performance heatsinks) outputs 38 CFM. The noise is not noticeable with some soft background music playing, which is a bonus. Whilst some may prefer an all out massively powerful fan & not care about the noise level, this fan is moreover for those who get a bit sick of the constant whine from fan's on heatsinks such as GlobalWin's FxP range. Its not exactly silent; its just not noisy. These fans aren't as hazardous to touch (should you accidentally do so), you won't get any fingers cut off. GlobalWin's FOP 38 on the other hand can easily chop a nail off, and was often supplied with its own grill.

  • Zif socket A, up to 1.33 GHz

  • Dimensions: 706548. Fan: 60x60x15mm.

  • Ball bearing 4000 RPM 17.10 CFM fan

  • Rated power 2.04 W / Noise level 29.0 dBA

  • Estimated life span: 50000 hours

  • Thermal resistance 0.64 C/W

  • Thermal type T-725

The 5E34B3 is almost identical to the aforementioned 5E32B3 apart from one important thing - the base is copper. Whereas aluminium is a great emitter of heat, it is nowhere near as good a conductor as copper is. So using a copper base on an aluminium heatsink is therefore fairly logical - the copper base easily draws heat away from the processor, and the aluminium on the heatsink acts to disperse it. Or at least that's the theory. So why don't all heatsinks have a copper base? Well, firstly its a lot more expensive than aluminium. Secondly, its denser than aluminium and adds greatly to the weight of the heatsink. AMD has set strict guidelines for the maximum weight of a socket A heatsink. Just weighing the 5E34B3 and 5E32B3 by hand, its obvious that the former is quite a bit heavier than the latter. The copper base is worryingly only screwed into the rest of the heatsink though & is easily removable. I would have expected it to be epoxied or shrink fitted. The eagle eyed among you may also notice the fan is capable of an extra 2 CFM, although as far as I could tell there was no difference in the noise levels between this heatsink and the 5E32B3, the official difference being just 0.1 dBA.

  • Zif socket A, up to 1.4 GHz

  • Dimensions: 706550. Fan: 60x60x15mm.

  • Ball bearing 4000 RPM 19.10 CFM fan

  • Rated power 2.04 W / Noise level 29.4 dBA

  • Estimated life span: 50000 hours

  • Features Copper plate base (70405mm)

  • Thermal resistance 0.64 C/W

  • Thermal interface 0.584 C/W

  • Thermal type T-725


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