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About Zalman CPU HSF's

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Jan 17, 2004
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I'm looking into buying the best P4 HSF that I can. I've been considering a Zalman 7000...
1) What's the difference between 7000 Cu and 7000 AICu?
2) They're very heavy! The Zalman site tells me to be careful how I move my computer. How much of a risk is this? The Cu was reported being ~700g and and AICu was 450g, if I remember correctly. The maximum weight for a P4 is 445g.
3) What kind of temperature drops can you expect over a Thermaltake Spark7+? Let's say... either overclocked or not. Just an estimate.
4) Can you reccommend any other HSF that you think will do an even better job? I'm asking this because I have an IC7-MAX3 and would have to cut a part of the OTEC cooling system off.

Thanks.
 
i can answer a few.

- You will only see like 2C of difference between CU and ALCU, one being completely copper and one being a mix.
-the ALCU version is safer for your P4 retention bracket becasue it is very close to the recommended wieght spec of the bracket, while the CU is much heavier.
 
I'm replacing my 7000A-Cu with a Cooler Master Hyper 6. The Hyper 6 is all but 1 kilogram, so it's heavier than even the Zalman. It will be going on an IC7-G, which is similar to your IC7-MAX3. I guess I'll find out what the difference is.
 
I got a 10 degree drop in temp overall from the stock cooler....the wieght is not really any problem unless you like to take the rig out to a lan party or something, you'd have to be careful moving it then during transport. Home use is typically stationary and its wieght is not a problem then. I'd have to say IMHO it is the best P4 heatsink out there. I'd also recommend Artic Silver 5 Its what I have on my setup 7000Cu with AS5 41C at full load ! in an 85F room !....twajetmech
 
The best P4 heatsink right now is the Thermalright SP-94 with a 92mm fan. I have it in my Abit IC7-Max3 with a 3.0c overclocked to 250 fsb.
 
With the newest BIOS on my IC7-G, I'm reading 49 degrees just sitting here according to MBM 5. From what I've seen, 47 to 49 is idle. I haven't tested it under load with the new BIOS. With the older BIOS which read high, I was near 60. I have run the fan at 12 volts since day one. Running lower isn't going to cut it for consistant overclocking, IMO. As such, I think I've hit a wall with it. I'm not going to bother swapping the fan out.
 
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