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Review: Alpha PEP66T Socket Heatsink (Page 3/4)

Posted: April 14, 2001
Written by: Tuan "Solace" Nguyen

Tweaking a Heatsink (cont.)

If youíre a real cooling freak and you have an extra PAL6035 model laying around, you can remove the shroud from the PAL and place it on the other end of the PEP66T to totally seal off any air leakage. Besides fitting the PEP66T snuggly, it also looks better than 3M Scotch tape.

So how did our concoction perform? Letís take a look.

Test System

AMD Thunderbird Athlon 1.33GHz
Asus A7V133 with 1004 BIOS

Environmnt: Not enclosed.
Motherboard temperature: 29C
Ambient Temperature: 20C

Alpha PEP66T with single Delta low profile, 5000RPM fan
Alpha PEP66T with dual Delta low profile, 5000RPM fan
Alpha PAL6035 with Delta 38CFM, 7000RPM fan
Vantec FCE-6254OD with Delta 38CFM, 7000RPM fan

Heatsink compound: Arctic Silver 2

Windows 2000 Professional SP1 -- idle load

Test Results
Here are the results from testing:

Looking at the results, the PEP66T doesnít perform very well with its stock fan. However, when paired with a 38CFM Delta fan, the PEP66Tís performance improves dramatically. The real kicker though is that you will get slightly better performance with less noise when you use two low profile Delta fans instead of one 38CDM Delta fan.

Using two 60x60x10mm Delta fans gives you the very best cooling without the extra noise. Also, those of you thinking of using a PEP66T on motherboards like the Abit KT7 will be out of luck if you go with a standard 60x60x25mm fan like the 38CFM Delta. The best solution is dual 10mm Delta fans.

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