Original Link: https://www.anandtech.com/show/175



Spending thousands of dollars on a Computer should not be done without care, heat can become a major factor to your PC's performance and stability especially if you happen to be overclocking even the slightest bit. Intel's Pentium II is the fastest desktop processor on the market today, approaching clock speeds of 333MHz and above this bone shattering performance doesn't come without a tradeoff, in this case, heat.

Even when clocked at 333MHz, the Pentium II dissipates enormous amounts of heat, pushing the processor to clock rates of 375MHz, and even 416MHz increase the already excessive levels of heat produced by the processor to new, previously unheard of levels.

The Pentium II doesn't present itself as a very flexible processor when it comes to cooling, with the tank like construction of the cartridge put together in such a manner that one wouldn't even consider removing the heatsink/fan from their expensive investment.

p2_cooling_title.gif (8706 bytes)

However what most Pentium II owners don't realize is that there are a number of replacement Heatsink/Fan combos out there aside from the conventional "boxed" or retail Heatsink/Fan from Intel.

Anand Tech, in cooperation with Anand Tech Network Affiliate ThermalNet evaluated 5 of the top Pentium II Heatsink/Fan combos out on the market today. Let's take a look at the first unit, from AOC.

Review Courtesy of Anand Tech Network Affiliate - ThermalNet

AAVID Pentium II Heatsink/Fan Unit

I admit I do own a couple of shares of AAVID stock. When I saw this unit I had the word sell on my mind. Given this is not the nice(big) PII cooler they have. Still when the heatsink is less than half the height of he FHK-20/FAP223B I have to wonder what they were thinking. Well I guess it fills a lower cost alternative or something. I can't find anybody who carries these though. I'm going to stop ranting now. Well I guess the only good thing is it uses a 3 pin connector. Spend the money and buy something better.
Price: $??
The AAVID Pentium II Heatsink/Fan Unit is very similar to the one used in Boxed Intel Pentium II Processors

Pros

Slim design.3 pin connector.

Cons

I hate the clips. Too small. Dinky thermal pad. I'm going to just stop there.

Review Courtesy of Anand Tech Network Affiliate - ThermalNet

AOC Pentium II Heatsink/Fan Unit

A respectable unit from AOC. Large thermal pad is a unique point of this unit. It is a covered unit like the Vantec and has a VERY simple attachment mechanism. 3 pin connector. Mid range performance.... Overall not a bad unit The only thing I would have liked to see would be better performance. Of course this unit is much better than that small AAVID unit that was tested.
Price: $20
Ram Warehouse http://www.ram-ware.com

Pros

Large thermal pad. Solid fan/heatsink. 3 pin power connector. Nice attachment mechanism.

Cons

Could be improved, always room for improvement

Review Courtesy of Anand Tech Network Affiliate - ThermalNet

Cool-it Dude! FAP223B Pentium II Heatsink/Fan Unit

Great clip. This is another mid range unit. Covered heatsink. Would have liked to see a better fan and larger heatsink. A good sized thermal pad on the bottom is a nice touch. 3 pin power connector is becoming quite standard but I like it.Vantec has some bigger units that I would like to try. One of these units has a dual fan system which I admit I really like.
Price: ??
Vantec http://www.vantecusa.com

Pros

3 pin power connector. Covered unit. Great clip.

Cons

Small heatsink and fan.

Review Courtesy of Anand Tech Network Affiliate - ThermalNet

Global Win FHK-20 Pentium II Heatsink/Fan Unit

What a monster. Again the Global Win unit is strikingly similar to the Computer Nerd units. However in this case there are some distinct differences. Well the heatsinks are exactly the same on both units. Again the Cool-it Dude! unit favors XA1HTC thermal paste while the GW unit favors a thermal conductive pad. The two main differences are the fan and power connector. This unit features a nice little fan that has those rounded fins vs. the straighter fins on the FAP223B. The power connector is a 3 pin instead of the FAP223B's 5 pin pass through. Over all a great unit.I think the reason it lost out is that the XA1HTC is better than the thermal pad.
Price: $18
Memory-Man http://www.memman.com

Pros

Big unit. Great price. 3 pin connector.

Cons

No thermal pad - the use of thermal paste would be better.

Review Courtesy of Anand Tech Network Affiliate - ThermalNet

Vantec PII 5025-H (Ball) Pentium II Heatsink/Fan Unit

Great clip. This is another mid range unit. Covered heatsink. Would have liked to see a better fan and larger heatsink. A good sized thermal pad on the bottom is a nice touch. 3 pin power connector is becoming quite standard but I like it.Vantec has some bigger units that I would like to try. One of these units has a dual fan system which I admit I really like.
Price: ??
Vantec http://www.vantecusa.com

Pros

3 pin power connector. Covered unit. Great clip.

Cons

Small heatsink and fan.

Review Courtesy of Anand Tech Network Affiliate - ThermalNet

Feature Comparison

Feature
Thermal Pad Thermal Grease Covered Heatsink Simple Clip 3-pin Pwr Connector 5-pin Pwr Connector
AAVID Unit Yes No No No Yes No
AOC Unit Yes No Yes Yes Yes No
Cool-it Dude! FAP223B No Yes No No No* Yes**
Global Win FHK-20 Yes No No No Yes No
Vantec PII 5025-H (Ball) Yes No Yes Yes Yes No
* New Version DOES  have this Feature
** New Version DOES NOT  have this Feature
Pentium II CPU Temperature Comparison
Lower Temperatures Indicate Better Performance
Test System was a Pentium II - 233 (Ambient Case Temp - 75 degrees F.)

Review Courtesy of Anand Tech Network Affiliate - ThermalNet

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