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    

Intel FCLGA4-S Core 2 Extreme Reference Heatsink Review
Intel FCLGA4-S Core 2 Extreme Reference Heatsink Review
Abstract: Let's spend some quality time with Intel's newest 45nm Core 2 Extreme class reference cooler and find out if it's better than every heatsink ever made, or not.

 Manufacturer  Category  Published  Author 
Intel   Cooling / Heatsinks   May 07, 2008   Max Page  

Home > Reviews > Page: 360° View - Intel FCLGA4-S Reference Heatsink

360° View - Intel FCLGA4-S Reference Heatsink

Information on Frostytech's test methodology is available here.

The Intel FCLGA4-S reference heatsink is built with an integrated 110mm diameter fan that spins at speeds of 2900RPM in "P" mode, 2000RPM in "Q" mode, and as low as 1000RPM on PWM compliant motherboards. Power is supplied by the 4-pin PWM fan cable which connects to a standard 3-pin or 4-pin motherboard fan header. The 134mm diameter body of the heatsink frame provides a small measure of protection to the impeller from errant wires.

With the fan removed, the unique design of Intel FCLGA4-S reference heatsink is clearly visible. The 41mm diameter copper cylinder is a hollow thermal camber which works in the same fashion as a heatpipe. Each aluminum cooling fin is 0.3mm thick and spaced 1.0mm at the base, 3.0mm apart at the tips. Note the space at each corner to allow some access to the retention clips.

The body of the Intel FCLGA4-S reference heatsink stands ~81mm tall, with an overall height of ~91mm. The four push-to-lock plastic clips lock directly into the motherboard mounting holes which surround the LGA775 processor socket. The fan mode switch is tucked away along the side of the FCLGA4-S heatsink where it's easy to access. The body of the cooler fans out from 89mm in diameter about 45mm above the board (thus providing clearance to adjacent components) to 134mm in diameter.

The copper base of the Intel FCLGA4-S reference heatsink measures 29.5mm in diameter where it makes contact with the CPU's integrated heatspreader (IHS), and is about 4mm thick. The heatsink ships with a thin grey pad of thermal interface material pre-applied. The copper is machined perfectly flat, with a ridged surface texture. The widely spaced thin aluminum fins offer little in the way of air resistance. This design works under the principle that components around the processor socket are also cooled by this heatsink's exhaust airflow.

Base Finish and Flatness

Flipping a heatsink over to inspect the business end is often a simple indicator of overall cooler quality. More practically speaking, a heatsink is in many ways only as effective as the contact it makes with the processor - the flatter and smoother the better. Base finish is one of the criteria that Frostytech measure in the course of evaluating heatsinks, and it involves two distinct aspects. Surface Finish is the first; this is calculated with the aid of Surface Roughness Comparator that has a cross section of common machine surface finishes and their numerical surface roughness equivalents in microinches. The second is Surface Flatness. This is tested with an engineers straight edge or proven flat surface, in two axis.

The copper base of the Intel FCLGA4-S reference heatsink is machined to a perfectly flat surface in both axis. Surface roughness is approximately ~63 microinches, owing to a purposefully ridged surface texture. The smaller, 29mm diameter circular pad at the center is raised 0.4mm to contact the processor (the outer 43mm copper pad doesn't touch).

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Intel FCLGA4-S Core 2 Extreme Reference Heatsink Review
 2: — 360° View - Intel FCLGA4-S Reference Heatsink
 3:  Acoustic Sample and Heatsink Sound Levels
 4:  Intel LGA775 Heatsink Temperature Comparisons

List all Intel heat sinks that Frostytech tested?

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

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

Scythe Fuma SCFM-1000 Heatsink
...More Articles >>

Websites you may also like:
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
Pinterest Info
Contact Us / Heatsink Submissions
Submit News
Privacy Policy
Suite 66

© Copyright 1999-2023 All Rights Reserved. Privacy policy and Terms of Use
Images © 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.