SwifTech MCP35X Pump with PWM + Custom Res.

Soldato
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After reading martinsliquidlab.org + slinneelabs reviews, l agreed with there conclusion that it was a good step forward in waterpumps to be controled by PWM, to have the ability to be able to control your Pumps speed and noise level. Instead of it going flat out all the time or selecting a speed level, turning a dial on the Pump if you need a better flow for cooling.

Pump + Res
Pic1.jpg




The Reservior l bought a couple of weeks back while checking the price of the Pump + Res.

Top right is the female to female ftting so you can use the Res by its self + Tube Mod which you'll find out about as we go on.
Res1.jpg


Also by doing a bit of googling l found its best to fill the Res so it just meets the Res top but be carefull and add the coolent a little bit at a time and try the screw the top down as you add the coolent so you don't overfill the Res and spill out on to the Pump as this might short it out, by doing this it helps to stop any air bubbles being formed. But the main thing that struck me was how quiet the Pump was even at max rpm about 4500 with the Tube Mod. Yet martinsliqudlab with the mesh plus sponge in the Pump Video it was very noisy but a noise check with the Tube Mod should have been done.

What l'll do is take a couple of recordings of the Pump at MaxRPM 4500, one with the mic next to my case plus the 2nd without side panel and the mic facing down towards the pump, with the Tube Mod later on.



What l'll do is put a link to martinsliquidlab.org, where you can read his review and check out the video he has made about the coolent distrubence + noise due to the sponge and mesh set up. I have already made The Top Inlet Internal Tube Alternative mod reccommended by martinsliquidlab for the Res, as the piece of mesh and sponge as you get near 1.5GPM and over. The flow starts to disturb the coolent forming air bubbles the faster the flow the greater the disturbence the greater the air bubbles. At Max RPM-4500 this can lead to air bubble's going down into the pump, then into the loop which is a big no, no, as this could cause higher temps and possibly damage your pump.


martinsliquidlab - http://martinsliquidlab.org/2011/02/25/swiftech-mcp-35x-reservoir/


The Tube Mod is not new you can actually buy a length of plastic tubing of different lengths to suite your res, using tubing your not 100% lined up with the bottom of the Res oulet hole into the pump but it will still work work. This mod causes very little disturbence to the water, so creating little or no air bubbles at all and so the water in the Res is very calm. To bleed the loop using the Tube Mod,just rest the fill top on the top of the Res with the tube in the water and have a measuring beaker with a spout so you can fill the Res as it goes down quite fast as the Pump speed is quite high due to not being PWM controled, when the Res stops needing a top up due to a good percentage of the air getting trapped in the Res, attach cables to motherboard plus the Pump CPU cable to the CPU header. Then fill the Res up so you can just get the fill top on with out spilling the cool'nt and tilt the case different angles a few times helps again to get more air out the loop with PC on, if your motherboard has its own fan software install that and reduce the speed. To half way and leave the PC to run for 30 minutes check temps, top up if need be set up your fan speed profile and the rest of the air thats left in the loop will end up in the Res after a few days and so you will need to top it up so it just reach's the fill top again.

Vaste majority of air out the loop, Res filled so it just touchs the fill top.
Resfull.jpg


Right the best l can do for a noise test is use my 5.1 surround sound Mudusa NX headset and use the mic which is very good .Test 1 - mic facing PC resting on my desk. with the MCP35X AT MAX-RPM about 45023 / Test 2 side panel of mic facing down into the PC, with the MCP35X AT MAX-RPM 45023.

Pumpat45025.jpg


Test1 Mic Facing Case. link - http://soundcloud.com/oldphart/test-1-mic-facing-pc

Test1micfacingPC.jpg


Test 2 Side Panel Off Mic facing IntO PC - http://soundcloud.com/oldphart/test-2-side-panel-off-mic

Test2micfacingintoPCcase.jpg




Note - dazzerd a member of our forum says - "I have my mcp35x for sale; only bought a few weeks ago along with the res but I find the high pitch hum too annoying so have gone back to my D5." Its a pity he did not say more on the subject, how he had set the MCP35X Pump + Res up.

As l said l found it to be very quiet, while l was googling finding out anything about the Res, reading a few threads they also said the pump was not as no where as noisy as martinsliquidlabs plus skinneelabs made it, well my recordings make out the pump is quite quiet at Max RPM with the Tube Mod.

Temps from both the XSPC combo pump and the MCP35X Pump + Custom Res -

XSPC Pump -
001-2.jpg



MCP35X Pump -
Res1.jpg




PC room > 21'C Ambient Temp XSPC Pump - 30'C > 34'C +:-1'C IDLE / MCP35x is set at fan speed 22% at 32'c - 30'c > 34'c, which gives the same idle temps as the X20 D750 Res/Pump combo which is alaways sat max rpm.

PC room, playing BC2 - 21'C Ambient Temp 1HR CPU 4.2 > 59'C > 62'C - GPU 470 > 45'C. / Waited till the Ambiet Temp was higher to see how the MCP35X peformed, its now 23'C, 2'c played BC2 with the MCP35X Pump[fan at 22% at 30'c > fan at 100% at 70'c]for an 1hr - 59'c > 63'c -GPU 470 > 46'C, pump speed was about 3900 varing slightly all the time.

Well take a look at that with the better performing pump, room temp has gone up 2'c now 23'c and basicly its the same temp as the XSPC Pump.

I've had the MCP35X a couple of days and l'am well pleased with the out come, its easy to set up, being able to control your cool'nt flow via PWM plus fan software, makes life easier no need to go into your case and turn up your flow up or down, its down on the desktop in secounds. Adjusting the flow to suite summer and winter, as it gets hotter turn the flow up, when it gets cooler turn the follow down, it has a waranty of 2 years. Best of all the Pump is very quiet. :)
 
Nice one mate!

Considering getting one of these for my loop, is there any drive bay reservoirs for it?

Oh and the hose clips arrived, many thanks mate :)
 
Can not remember where I saw it but can remember reading a big upset about swiftech saying if you personaly add the res yourself you void the warrenty on the pump. Apparently you have to send it to them to add for you to keep your warrenty.
 
oh noes I've been quoted!

35x is still a great pump just prefer my trusty d5:)

I found the resonating worse with the res top on this was on a soggy sandwich, with it off the resonance was less pronounced. However on setting 1 I could cope. Noise is subjective of course and in comparison to my d5 I found the noise more annoying. A lot of it also depends on the flow resistance; I have a very low restriction loop (I removed the injection plate from the 370) so even at one it was pushing the water around extremely quickly at ten I thought my loop was going to take off! I;ve found in the past that the more restriction the more "stable" the resonance levels are, but that may just be in my head!

It also depends on your pwm setting on your mobo. My old asrock had 10 levels so I could force it to stay on one at all times if I needed too. May just be me but with my gb one of (many)problems I have had with it is being able to fix a pwm level. No matter what the damn board seems to want to do its own thing.

I say roll on a d5 with pwm, it must be coming.
 
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Nice one mate!

Considering getting one of these for my loop, is there any drive bay reservoirs for it?

Oh and the hose clips arrived, many thanks mate :)

koolance and dd have one, in fact anyting that takes a ddc should work i think.
 
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Can not remember where I saw it but can remember reading a big upset about swiftech saying if you personaly add the res yourself you void the warrenty on the pump. Apparently you have to send it to them to add for you to keep your warrenty.

Hi, l think you mean the Pump top, but by doing the tube mod you get better performence, saves you £35 and a quiet pump.

tubemod.jpg
 
I've got this pump too and use it in an XSPC bay-res.
I think the bay res makes the sound worse due to the vibrations.
On low RPM it's nottoo bad, but due to the poor cooling of my loop and the default unknown 'fan' speed curve of the Gigabyte GA-880GM-UD2H then it gets to close to full rpm while the PC is idling (once the CPU temp of my 1055T goes over 30ºC it goes to 4200rpm or more).

I found it to be slightly louder than the XSPC 750 pump/res, but both of them made an annoying noise. I'm not sure if it's louder than my fans (which are pretty noisy to be fair) but you can hear the MCP35X as it changes speeds. It might just be a different pitch that makes it noticable though.
Whatever, the pump is loud enough that if I turned all the fan in the PC off it still wouldn't be silent because of the noise from the pump.
 
Hi GoogalyMoogaly, try Easytune6 dead easy to use, you might get a better Pump Curve, theres not that much pump vibration coming from mine. l think the tube mod has a lot to do with how the pump behaves, vibrations, etc, remember to dowmload the right version.
 
Hi GoogalyMoogaly, try Easytune6 dead easy to use, you might get a better Pump Curve, theres not that much pump vibration coming from mine. l think the tube mod has a lot to do with how the pump behaves, vibrations, etc, remember to dowmload the right version.

I downloaded EasyTune6 the other day to see if I could put to rest (for me) which TMPIN reading in HWMonitor is the CPU and which is the System. During the brief period I looked at it then I didn't like it. Is there anything else I can use to control the 'fan' curve on a GA-880GM-UD2H (I don't think SpeedFan works or if it does I can't figure out how to use it).

What is the tube mode and what does it do? (Not that I can do it in a bay-res anyway). But I'm using it in a CM 690 II so I have very little room to put it anywhere other than in a bay-res.
 
Hi GoogalyMoogaly, the tube mod > using the Swiftech custom Res > all you do is put the inlet feed into the fill top, get a barb put 3" of tube on it and screw it into the botton of the fill pot. Them fill the Res so it nearly touching the fill top, the Res then does not need the sponge + mesh in, theres about 10mm between the Pump feed hole to the end of the tube.

Have a look at post 6, the chart > post 6.

Res1.jpg
 
The tube mod seem to do what the XSPC bay-res does (i.e. puts the res inlet so that it sits just over the pump inlet).

Hi Googalymoogaly, is this your Res - XSPC Laing DDC 200ml Reservoir Pump Top, if it is you'll will get a performance hit as well, as the tube will work the same way.
 
Good review here mate - tbh I'm running an MCP-355 with XSPC Res top - It has exactly the same sort of 'tube mod' you've mentioned here built-in as standard.

Even though I have an Aquaero 5 which could be used to control it - I find no need - its quiet enough without having to turn it down.

One thing I've always found with pumps though is - don't mount them (i.e. stick/screw them down) as this increases vibration noise throughout the case. I always leave mine just sat on a damper pad ;)
 
Thanks zoome, yes l mounted mine on the damper pad, have you ever felt the damper pad it gets quite warm from the pump giving of heat, so l peeled it off and the pump bottom was quite hot as it gets no air to help cool it. So what l did was cut a 1/4" out of the middle of the pad and stuck both halves back down using the outside edge of the pump to line the pads up straight. So after acouple of hours l checked the pad and it was cool to touch and that should mean the bottom of the pump should be cooler too. :)
 
Hi zoomee, no l'm not worried about the temps, as they would have done a lot of testing, but by cutting out the 1/4" of foam out the middle of the damper pad. The pad is not getting hot any more from the bottom of the pump and with it getting abit cooler air, the bottom of the pump should be abit cooler too as the hot air is not trapped.
 
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