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#1
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Zalman ZM-50HP VGA Heatsink & P4P800 Deluxe
Ron,
I had it working for, my PC that is, 6 hours non-stop last night and the ZM-50HP eventually got warm to touch on the front. I think, to be frank, that my Geforce 4460MX card does not generate that much heat. Zalman themselves describe it as a low-heat card. (I personally think anyone who has the P4P800 and who hates noise with VGA cards would have to now only buy VGA cards with built-in heatsinks and not fans as there is no way the bigger Zalman VGA heatsinks will fit.) Yes, it is all fitted correctly with the heatpipe on the right way, at the right angle, etc. With hindsight, yes, it is quieter. I suppose I was expecting 'instant peace' but the fan on that VGA card used to drive me nuts on my last PC. If I had installed it along with the Zalman CPU cooler at the same time I probably would have been posting about how wonderfully silent my PC has gone. The VGA heatsink has made a difference as, prior to installing it, if I momentarilly stopped my CPU fan I still could hear an awful lot of noise and could not tell whether it was the VGA fan, the case fan or the PSU fan. After installing the VGA heatsink I, late last night, momentarilly stopped my CPU fan and, voila, there was silence! I was amazed. So, the next thing now is to get one of those Zalman CPU 7000-alcu coolers. J. "Ron Miller" wrote in message ... On Tue, 24 Jun 2003 18:51:05 +0100, "John Smith" wrote: Hi, I purchased a Zalman ZM-50HP VGA Heatsink - the smallest of the family - today to replace the fan on my Video card - a Geforce 4460MX. I was lucky and got it half-price. The install was pretty straight forward but, upon installing the card back into its slot, the Northbridge heatsink was in the way. I managed to overcome it by removing the two brass risers on the rear heatsink of the ZM-50HP and it just squeezes in there now but I think both heatsinks are in contact with one another. Also, the ZM-50HP rear heatsink is incredibly close to the circuit board of the video card. I've had it running for 5 minutes and the rear of the ZM-50HP is cool to touch as is the Northbridge. The front of the ZM-50HP, where the fan was, is warm though but not even hot water bottle warm if you know what I mean. I wonder if I could get away with simply removing the rear heatsink altogether and just have the pipe running around the back? Wow. I wouldn't do that. The coolant in the heatpipe has to be condensed back into a liquid state at the rear heatsink before it can be wicked back to the front heatsink. Regardless of the perceived temperatures of the two sinks, I wouldn't interfere with the way the cooler works. Also, if the sinks aren't really that warm, then maybe you didn't get a good connection between the card's GPU and the front sink. I don't have one of these coolers but reviewers have described the rear heatsink as being very warm, indeed. If you're rear heatsink is actually "cool to touch," then it suggests a problem in installation or a manufacturing defect. You do have the pipe installed so that the front is lower than the rear, don't you? I don't think any other of the Zalman ZM VGA heatsinks - I saw them in the shop and they dwarfed the ZM-50HP - are going to stand a chance of fitting in the P4P800. The Zalman tech on their board at www.zalman.com.kr has stated several times that the ZM-80aHP does, in fact, fit on P4P800s and P4C800s, but it fits differently from the older ZM-80HP. Is it possible that you saw the older version? Oh, is my PC noticeably quieter? No, not really. The VGA fan used to be noisy in my last PC but I think it had been drowned out by the Intel fan in the P4P800. Yes. It's not worth investing in one of these fanless coolers unless the louder noise problems on your PC have already been solved. Comments/thoughts welcome. J. |
#2
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Yes, I saw the ZM-80HP and not the ZM-80aHP model which seems to fit 'above'
the VGA card so that will be fine for those of you with super big/fast Radeon and Nividia cards. The more I look at it the small ZM-50HP is doing a very good job indeed on my VGA card. I am coming pretty close to ordering the 70000alcu today to get rid of that Intel HS fan. So tempting. J. " "Ron Miller" wrote in message ... in the P4P800. The Zalman tech on their board at www.zalman.com.kr has stated several times that the ZM-80aHP does, in fact, fit on P4P800s and P4C800s, but it fits differently from the older ZM-80HP. Is it possible that you saw the older version? |
#3
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If the intel fan bothers you, the CNPS7000 won't be much better. A minor
drop from 42 to 41db. "John Smith" wrote in message ... Ron, I had it working for, my PC that is, 6 hours non-stop last night and the ZM-50HP eventually got warm to touch on the front. I think, to be frank, that my Geforce 4460MX card does not generate that much heat. Zalman themselves describe it as a low-heat card. (I personally think anyone who has the P4P800 and who hates noise with VGA cards would have to now only buy VGA cards with built-in heatsinks and not fans as there is no way the bigger Zalman VGA heatsinks will fit.) Yes, it is all fitted correctly with the heatpipe on the right way, at the right angle, etc. With hindsight, yes, it is quieter. I suppose I was expecting 'instant peace' but the fan on that VGA card used to drive me nuts on my last PC. If I had installed it along with the Zalman CPU cooler at the same time I probably would have been posting about how wonderfully silent my PC has gone. The VGA heatsink has made a difference as, prior to installing it, if I momentarilly stopped my CPU fan I still could hear an awful lot of noise and could not tell whether it was the VGA fan, the case fan or the PSU fan. After installing the VGA heatsink I, late last night, momentarilly stopped my CPU fan and, voila, there was silence! I was amazed. So, the next thing now is to get one of those Zalman CPU 7000-alcu coolers. J. "Ron Miller" wrote in message ... On Tue, 24 Jun 2003 18:51:05 +0100, "John Smith" wrote: Hi, I purchased a Zalman ZM-50HP VGA Heatsink - the smallest of the family - today to replace the fan on my Video card - a Geforce 4460MX. I was lucky and got it half-price. The install was pretty straight forward but, upon installing the card back into its slot, the Northbridge heatsink was in the way. I managed to overcome it by removing the two brass risers on the rear heatsink of the ZM-50HP and it just squeezes in there now but I think both heatsinks are in contact with one another. Also, the ZM-50HP rear heatsink is incredibly close to the circuit board of the video card. I've had it running for 5 minutes and the rear of the ZM-50HP is cool to touch as is the Northbridge. The front of the ZM-50HP, where the fan was, is warm though but not even hot water bottle warm if you know what I mean. I wonder if I could get away with simply removing the rear heatsink altogether and just have the pipe running around the back? Wow. I wouldn't do that. The coolant in the heatpipe has to be condensed back into a liquid state at the rear heatsink before it can be wicked back to the front heatsink. Regardless of the perceived temperatures of the two sinks, I wouldn't interfere with the way the cooler works. Also, if the sinks aren't really that warm, then maybe you didn't get a good connection between the card's GPU and the front sink. I don't have one of these coolers but reviewers have described the rear heatsink as being very warm, indeed. If you're rear heatsink is actually "cool to touch," then it suggests a problem in installation or a manufacturing defect. You do have the pipe installed so that the front is lower than the rear, don't you? I don't think any other of the Zalman ZM VGA heatsinks - I saw them in the shop and they dwarfed the ZM-50HP - are going to stand a chance of fitting in the P4P800. The Zalman tech on their board at www.zalman.com.kr has stated several times that the ZM-80aHP does, in fact, fit on P4P800s and P4C800s, but it fits differently from the older ZM-80HP. Is it possible that you saw the older version? Oh, is my PC noticeably quieter? No, not really. The VGA fan used to be noisy in my last PC but I think it had been drowned out by the Intel fan in the P4P800. Yes. It's not worth investing in one of these fanless coolers unless the louder noise problems on your PC have already been solved. Comments/thoughts welcome. J. |
#4
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If the intel fan bothers you, the CNPS7000 won't be much better. A minor
drop from 42 to 41db. you mean drop from 42db to ~25db still maybee not a large enough drop for some, no fan in my system is over 22db AT MAX, and I would still like to take the sound down |
#5
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On Wed, 25 Jun 2003 09:17:58 +0100, "John Smith"
wrote: Yes, I saw the ZM-80HP and not the ZM-80aHP model which seems to fit 'above' the VGA card so that will be fine for those of you with super big/fast Radeon and Nividia cards. The more I look at it the small ZM-50HP is doing a very good job indeed on my VGA card. I am coming pretty close to ordering the 70000alcu today to get rid of that Intel HS fan. So tempting. DO IT! J. " "Ron Miller" wrote in message ... in the P4P800. The Zalman tech on their board at www.zalman.com.kr has stated several times that the ZM-80aHP does, in fact, fit on P4P800s and P4C800s, but it fits differently from the older ZM-80HP. Is it possible that you saw the older version? |
#6
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On Wed, 25 Jun 2003 23:42:43 GMT, Ron Miller
wrote: On Wed, 25 Jun 2003 09:17:58 +0100, "John Smith" wrote: Yes, I saw the ZM-80HP and not the ZM-80aHP model which seems to fit 'above' the VGA card so that will be fine for those of you with super big/fast Radeon and Nividia cards. The more I look at it the small ZM-50HP is doing a very good job indeed on my VGA card. I am coming pretty close to ordering the 70000alcu today to get rid of that Intel HS fan. So tempting. DO IT! Just ordered one myself with a 20db(A) Zalman 400W PSU to go with it. We're talking quiet here. Brian |
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