Pump flowrates - how important are they?

Emo_Boy · 11-11-2001, 08:28 AM

I need a bit of help. I have an Athlon xp 1800 and I've decided to watercool. What should I be looking for in a pump? Highest GPM? The processor is on its own loop so its not that big (except the long stretch to the top of my full-tower where the resevior is). I have a seperate loop for the chipset/geforce. Using a 290GPM pump (or something like that). Its also going up to a resevior at the top of the case. Any help would be much appreciated.

Kevin · 11-11-2001, 07:38 PM

I think the key is to get a high-powered pump so it never really needs to be upgraded. If you get a low gph pump, it may not take well to adding things such as multiple radiators and/or waterblocks to the system. I honestly don't believe that an ultra-high flowrate is necessary. However, you don't want a really low flowrate. Something like an Eheim 1250 is perfect. However, there have been no formal tests to prove either way.
-Kev

Techguy · 11-11-2001, 10:01 PM

also, high end pumps like Ehiem's are magnetically shielded, which won't hurt your PC. I'm not saying, if u get a cheap pump, your PC will die, but the magnetic fields can't help ur PC.

11-11-2001, 08:28 AM	#1
Emo_Boy Cooling Neophyte Join Date: Nov 2001 Location: Down by da beach. Monterey, Cali Posts: 13	Pump flowrates - how important are they? I need a bit of help. I have an Athlon xp 1800 and I've decided to watercool. What should I be looking for in a pump? Highest GPM? The processor is on its own loop so its not that big (except the long stretch to the top of my full-tower where the resevior is). I have a seperate loop for the chipset/geforce. Using a 290GPM pump (or something like that). Its also going up to a resevior at the top of the case. Any help would be much appreciated. __________________ -Ron Schpadoinkle!

11-11-2001, 07:38 PM	#2
Kevin Slacking more than your weird uncle Join Date: Nov 2000 Location: San Diego, CA (UCSD) / Los Angeles, CA (home) Posts: 1,605	I think the key is to get a high-powered pump so it never really needs to be upgraded. If you get a low gph pump, it may not take well to adding things such as multiple radiators and/or waterblocks to the system. I honestly don't believe that an ultra-high flowrate is necessary. However, you don't want a really low flowrate. Something like an Eheim 1250 is perfect. However, there have been no formal tests to prove either way. -Kev __________________ I used to throw hot coffee all over the ass of the horse there, then whip him while he was kickin' at me. Those f***in things are crazy.

11-11-2001, 10:01 PM	#3
Techguy Cooling Savant Join Date: Nov 2001 Location: Suwanee, GA Posts: 130	also, high end pumps like Ehiem's are magnetically shielded, which won't hurt your PC. I'm not saying, if u get a cheap pump, your PC will die, but the magnetic fields can't help ur PC. __________________ My only PC is a PII 333 with 256MB RAM a GeForce2 MX 200, and 30GB's of 7,200rpm ATA/66 goodness. And yes, I know it sucks.

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