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Spire 5T235 Heatsink Review
Spire 5T235 Heatsink Review
  79%   
Abstract: With the new 5T235 a lot seems to have changed; newer fancier packaging, an improved heatsink design, and most importantly improved manufacturing.

 Manufacturer  Category  Published  Author 
Spire   Cooling / Heatsinks   Jun 13, 2002   Max Page  

Home > Reviews > Page: Close up look at the heatsink

5T235 From All Angles

The Fan:

The fan is not labeled, but given the sound it makes and the size of the unit I would peg it around 4500-5000RPM or thereabouts. Again, don't have the exact specs though. The fan comes with a nice shinny fan grill, and draws its power via a three-pin motherboard fan header.

Top: The cross cuts do not go all the way through the body of the heatsink but rather just the outside 5 fins. The internal fins remain straight except for a space cut to hold the clip in place. The fan shroud is plastic and clips into place with a few tabs. It's interesting to note where the fulcrum of the clip is situated...

Side A: The 33 fins are 0.75mm thick and spaced 1mm apart. The base is 8mm thick which seems like a lot for an aluminum heatsink, but I suppose the trend has been going in that direction for some time now. In an interesting attempt to ensure the heatsink will fit most motherboards, the side fins have been undercut for more clearance.
Side B:
Notice the little 3mm undercuts on the side of the Spire 5T235? The clip is a tool-based version and while it works, I think Spire could have used something a little more end-user friendly then this. The six cross cuts are 2mm wide for added ventilation of exhaust air.

Heatsink Base:

It is really remarkable to see what Spire have done to the latest heatsinks they released. Not only is there a good section of pre-applied thermal compound, but the base has also been machined flat and smooth. I was pretty impressed by this, as this is a big departure from their earlier models.

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Table of Contents:

 1:  Spire 5T235 Heatsink Review
  2: — Close up look at the heatsink
 3:  New Heatsink Test Parameters
  4:  Acoustic Test Results
  5:  Synthetic Temperature Test Results
List all Spire heat sinks that Frostytech tested?

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