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Found a gem of a pump for cheap. (Pics, tear down thanks to s74r1) - Page 3

post #21 of 53
Thread Starter 
I actually want to get the G1/4 top separately, I hope I can. Side note though, pump is still working like a champ.
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post #22 of 53
Quote:
Originally Posted by s74r1 View Post

Edit: Maybe won't fit DDC tops, PPCS has this note: "Please note that even though it is similar size to a DDC it will not accept any DDC pump tops. There is a 2mm difference on the inside seating." But I wonder where that 2mm difference is?

Decided to take my DDC Top off my MCP35x to see where the 2mm difference is. The TDC pumps propeller is the exact same size as the DDC top circle. Meaning the propeller fits inside the ddc as an exact fit like a glove so the propeller can't spin. It could work if someone didn't care about their ddc top and sanded down the inside of their top where the propeller sits.
Edited by ivoryg37 - 12/22/15 at 4:25pm
post #23 of 53
Thread Starter 
Great....thanks for the info man. I was wondering the something in where the extra 2mm came from. Now people know, when you install the top do all the corners line up and is it a good seal?
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post #24 of 53
Quote:
Originally Posted by amd-dude View Post

Great....thanks for the info man. I was wondering the something in where the extra 2mm came from. Now people know, when you install the top do all the corners line up and is it a good seal?

Unfortunately, I didn't do that much testing and already install the pump into a loop. I don't know how the seal was because the fit was pretty tight. I was afraid that if I pushed the top all the way down it would get stuck and damage my pump. Even with the top halfway on top of the TDC I had to put a little elbow grease to pull the top off. I believe the corners do line up but I didn't check the screw holes to see if they lined up. Sorry I didn't do further testing
post #25 of 53
Quote:
Originally Posted by ivoryg37 View Post

Bought this pump from their eBay listing for $32. You have to leave a note during payment to receive the TDC-B version with the G1/4 inlet/outlet. Hopefully this pump can handle Mayhem Pastel long term

The Meyham Pastel has about a 2 year life span, so like you, I think the pump should last through at least one life cycle. When you change the fluid you can do a good job of cleaning and inspecting the pump then to see if you can get another 2 years of life out of it. But hey, at 35 buck 2 years ain't bad.
post #26 of 53
Just in case anyone was looking for this pump and has amazon prime. I found the B version with the G1/4 ports on there and also come with barbs.

http://www.amazon.com/ModTek-Silence-Advanced-Cooling-Fittings/dp/B016P463S2/ref=sr_1_15?ie=UTF8&qid=1453454180&sr=8-15&keywords=swiftech+reservoir
post #27 of 53
Thread Starter 
I have a feeling this little thing is going to only gain popularity, side note again, pump is running just as new, no noises, drop in flow...nada. Been about 5 months now and it runs pretty much 24/7 or at least 16hours some days.
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post #28 of 53
Thread Starter 
Don't mean to be bumping an old thread but just an update on the pump. 8 months in and it is still working as it should. Within the next month or 2 I will be draining the loop to clean it out and I will tear down the pump as well to make sure all is good. Again this pump works pretty much 24/7 for 8 months, that's saying something.
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post #29 of 53
It seems EK may have made a top for this pump? The propeller looks the same as the topsflo one I have so no clue.

http://www.overclock.net/t/1602518/ek-releases-new-xtop-spc-liquid-cooling-pump
post #30 of 53
In my primary system, I have a loop set up with the XRES 100 DDC pump that came with one of EK's kits; at low RPMs (1100 or so) and properly decoupled, it's remarkably quiet. And because I'm nowhere near dumping 500 watts into the loop, I never need to run the pump any higher, so the noisiest components I have to worry about are the rad fans.

But I wanted to set up a second loop for another computer and was searching for a low cost, quiet pump, and given this thread and some favorable reviews, I decided to give the Topsflo a try.



Unfortunately, throughout it's entire RPM range, it's scratchy and buzzy, and it clicks badly. The sound is almost worse at lower RPMs because the lower frequency clicking is more noticeable and aggravating. Much of the sound seems to come from the rear of the pump, where there isn't enough material or it isn't thick enough to properly dampen the vibrations. Placing the pump near a surface just seems to amplify the noise it makes.

Hard mounting the pump to a metal case is simply out of the question. Soft mounting with something like Blu-Tak doesn't help. The only success I've had in getting the Topsflo to a reasonable volume level is, at minimum RPM, to press it firmly into something dense and highly damping like a textbook. Still, it's not great; it's much worse than the EK XRES. I even tried mounting it to a block of MDF, but that didn't help.

I have quite a bit of audio if you want to listen. Here's the highly makeshift setup:



I have the Topsflo pumping through a GPU block just so there's some restriction in the loop. This was all measured in a very quiet room with a Behringer measurement microphone.



That's nearly four minutes long, so you can skip around. The takeaway is that the Topsflo is noisy. I've suspended hard drives with bungee cord and stuck fans to radiators with Blu-Tak, but I can't find any way to mitigate the noisy racket that the Topsflo is making.

Around $40 is a good price, but this is of no use to me because of the noise. Before I step way up to a D5, I'm worried because geggeg actually found the Topsflo to be quieter!

http://thermalbench.com/2016/03/26/topsflo-tdc-pump/3/

So, anyone who is as critical about sound as me have any pump suggestions?
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