FrostyTech.com Heatsink Reviews and Analysis
   
  

TOP 5 Heat Sinks     TOP 5 Low Profile Heat Sinks     TOP 5 Liquid Coolers    
 Heatsinks by Brand / Mfgr      Reviews + Articless     Advanced Search    

Aopen ACK7L Copper Skive Heatsink Review
Aopen ACK7L Copper Skive Heatsink Review
  78%   
Abstract: The fan adaptor of course reduces noise by allowing Aopen to use a larger fan, and hence a slower rotating impeller.

 Manufacturer  Category  Published  Author 
AOpen   Cooling / Heatsinks   Dec 26, 2003   Max Page  

Home > Reviews > Page: Close examination of the heatsink

Aopen ACK7L Heatsink From All Angles
The Fan:

Nidec have been a favourite, if often under used fan of us. The fans are built with glass fiber reinforcing in the plastic to ensure the best possible structural integrity. The ACK7L fan didn't come with a fan grill, but considering just how large this fan is I would suggest adding one of your own. The fan connects to a standard 3-pin motherboard fan header.

Heatsink Top:
This level of fin density is something you are not going to see very often. Each copper fin is 0.4mm thick, and spaced about 1.0mm apart. Each of the 43 sets of fins measures about 25mm wide and 25mm tall. The clip sits in a trough 6mm wide. The fan mounts to the shroud leaving approx. 3-4mm clearance from the tips of the copper fins.

Side A:
The entire heatsink stands 94mm high, with the heatsink itself taking up just 37mm of that height. The clip used on the Aopen ACK7L is only operable with a flat headed screwdriver, but it is not difficult to engage or remove from the socket. There is no protection from the heatsink sliding on the die in the event the computer is moved, so as with most heavy copper heatsinks, it is always a good idea to remove it first, then transport the computer. Since the clip uses all three tabs on the socket to keep itself in position it is less likely that the clip will snap off the socket tabs. It would have been best if the fulcrum point were keyed so that the clip would not slide within the heatsink.

Side B:
From a side view the number and density of the one-piece copper skived fins becomes apparent. Each of those 43 fins is only 0.4mm thick, and have been formed from material skived off the base copper plate. The fins and base plate are the same piece of copper though, and so there are no joints. The base of the ACK7L is rather thick, measuring it at a full 10mm. Most socket A heatsink base plates are rarely over 6mm in thickness.

Heatsink Base:

The base has been machined flat for the skiving process, and then once that was complete, sanded to achieve a smooth, but textured surface finish. A small patch of gray thermal compound comes pre-applied to the base of the ACK7L, which after testing with the straight edge is fairly even and flat at the center. From side to side there is a bit of a difference in heights, but this is not too uncommon, and as long as the central region is flat, that is all that matters.

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Aopen ACK7L Copper Skive Heatsink Review
 2: — Close examination of the heatsink
 3:  Heatsink Thermal/Acoustic Test Parameters
 4:  Surface Roughness Comparison
 5:  Final Temperature Results

List all AOpen heat sinks that Frostytech tested?

Facebook RSS Feed Twitter
Resources
° Got Feedback?
° Mk.II Test Platform
° Where To Buy?
° Manufacturer Index
° Industry Dir.
° Cooling Projects
Recently Tested

Arctic Liquid Freezer 120 CPU Watercooler Review

Scythe Mugen 5 Rev B SCMG-5100 Heatsink Review

Gelid Tranquillo 4 Air Cooled Heatsink Review

Coolermaster Ergostand III Laptop Cooling Stand Review

Noctua NH-D9DXi4-3U LGA2011 Xeon Server/Workstation Heatsink Review

Noctua NH-L9x65 Low Profile Heatsink Review
...More Articles >>


Websites you may also like:
PCSTATS

FrostyTech.com
Since June 1999


Find a Heatsink
Latest Heatsink Reviews
Top 5 Heatsinks Tested
Top 5 Low Profile Heatsinks
Top 5 Liquid Coolers
Heatsinks by Mfgr / Brand


Social Media
Facebook
Twitter
Pinterest


FrostyTech.com Info
Feedback
Contact Us / Heatsink Submissions
Submit News
Privacy Policy
Suite 66

© Copyright 1999-2024 www.frostytech.com All Rights Reserved. Privacy policy and Terms of Use
Images © FrostyTech.com and may not be reproduced without express written permission. Current students and faculty of accredited Universities may use Frostytech images in research papers and thesis, provided each image is attributed.