View Full Version : MCP-655 ==> First Impressions
well, i recieved my two MCP-655 pumps from sidewindercomputers.com today (props to them for uber-fast shipping), and i thought i'd give you my first first impressions on them
first thing i was surprised by was the packaging - it didn't come in a flimsy tagboard box like the MCP-650 did - it came in a nice sturdy cardboard box with a little cut-out for the pump to sit in so that it didn't bounce around in shipping
second, it shipped with a peice of double-sided sticky neoprene & two 8-32 threaded screws w/ rubber washers to mount it with (already knew that it came with it, but just giving you guys a breakdown)
it also has the new speed dial on the motor housing, but i doubt most people are ever gonna utilize this, as its already damn quiet, and who wants to decrease the performance of their pump anyways?
i was anxious to set them up and see how well they worked - but when i primed them & plugged them into my PSU - nothing happened for ~10 seconds except for a little trickle of water coming out of the top tube - but oh my! water started spewing from the pump housing & i quickly turned the PSU off :bang head
upon further inspection, i noticed that BOTH of the pump housings were loose, so i tightened them down, primed the pumps again & switched the PSU back on - it came to life & started spewing water all over the floor cause i didn't see that the output hose was hanging over the edge of the sink :rolleyes:
while searching for the cause of the leak, i also noticed that one of the pumps was missing the two screws holding it to the mounting bracket - there were threads inside the holes & scratches on the bracket as if there were once screws there, but for some reason, they were missing :eh?:
but once i got them working, i was very impressed with their performance - it shot a nice stream of water from ~4 feet away into the sink, and if i tried to block the output hose, it would start spraying water in every which direction, not letting me close it off without jamming my finger into the end of the hose, so these little buggers definitely put out a good amount of pressure
i was also impressed by how loud they were - they were not audible at all from 2 feet away, unlike the 650/D4's which emit a high-pitched whining/buzzing sound that is clearly audible over any other noises
overall, i think that i made a good choice buying 2 of these to replace my Laing D4's, the #1 tradeoff being the extremely quiet operation of the MCP-655, so it definitely have my stamp of approval :thup:
Pics:
1: packaging
2: both pumps
3: neoprene pad & screws/rubber washers
4: speed dial
5: missing screws
(there are new pics further through the thread which show much more accurate results (bucket let air get sucked into the pump)
more pics:
1: test setup
2: it leaks!
3: nice strong stream of water coming from the hose
4: plenty of pumping force even after sucking water up three feet from a bucket & then up ~3ft of tubing in the air
5: Sneaky's seak of approval :attn:
(there are new pics further through the thread which show much more accurate results (bucket let air get sucked into the pump)
i want one.....
hmm i wonder if they ship to canada. I don't know of any retailers that sell them here.
wannaoc
05-20-05, 12:10 AM
I am using one of these pumps right now and love it. I switched from using Danner 3 for years and am very happy with the upgrade. I also had to tighten down the screw on housing but I had no problem with screws like you stated. I didn't even use the mount I just used the neoprene pad and mounted on the backside (where the dial is). Excellent pump.
I am soo ordering one. They ship to Canada, with some decent shipping prices to boot :)
Ordered 2 of these the other day for my new setup... cant wait :D
Ordered 2 of these the other day for my new setup... cant wait :D
i'm being outdone... :bang head
i'm gonna order a 3rd one when my paycheck comes on wednesday :p
i MUST be different, i MUST be superior :burn:
I'm pretty tapped out for now so i will just continue to have to be happy with my 50z. At least it is quiet! What in the world are you going to do with 3 of those? Filter a pool, perhaps?
nikhsub1
05-20-05, 10:29 AM
i'm being outdone... :bang head
i'm gonna order a 3rd one when my paycheck comes on wednesday :p
i MUST be different, i MUST be superior :burn:
Then you'll need 4, let me give you a reminder :D Anyway, 4 in series would effectively double the flow of 1 655 but at that point, get an RD-30.
http://www.anonforums.com/builds/blackcube/almost/pumps1.jpg
Slayer2003
05-20-05, 10:40 AM
......................wow.... ^ thats cool hehehe.
What's the difference in specs between this pump, and the MCP-650, ther than the speed dial?
I'll be satisfied with 2 for now :)
An RD-30 would be lovely, but hard to get one...
Nik, do the MCP65x series of pumps need to be arranged in such as in the above picture or can they be position in such a way to minimize tubing lengths between inlets/outles? I guess Im wondering how much tubing is needed between the outlet of one and the inlet of the other?
haha nik, the past means nothing (you don't have 2x D4's anymore)... now i just need another $77 :)
the only reason i don't want a RD-30 is because of the 24 PSU
I had danger den d4 and that was loud, it was really pointless going with watercooling with such a loud pump. Hopely this one is more quiet becasue ordered one.
Think I need to get me a couple.
I had danger den d4 and that was loud, it was really pointless going with watercooling with such a loud pump. Hopely this one is more quiet becasue ordered one.
trust me, its about 10x quieter than the D4, you won't regret your purchase
what does the speed dial do? Do you think mounting pump with screws to case has any effect on noise or still remains the same.
the speed dial allows you to adjust the speed of the pump, but if you turn it down at all, it drastically decreases the performance of the pump, so its suggested that you just leave it at 5 (its dead silent even at speed 5)
and mounting it to the case with screws is basically just an extra way of securing it so that if you transport your case alot, the pumps won't move/have possibility of falling off (neoprene might loose adhesion to case)
IYIENACE
05-21-05, 12:52 PM
Thanks for the review Sneaky :santa: <<(Sneaky) lol
I have CC in hand..must resist...mag3 is strong enough.....arghhhh!! Run from thread!!
but this is smaller, it runs off your PSU, and its BETTER! you know you wan it, you know you do! :) (we need that little devil smiley HAHA)
XeonStrikeForce
05-21-05, 01:43 PM
well I traded some gear for some stufe so it gives me an excuse to order a fiew of em
:D
mysterfix
05-21-05, 01:48 PM
I think I might have to get me one of these to back up my MCP350. I'm getting a new case in a few weeks so I'll have the room.
well, i was bored today, so i did a little MCP-650/D4 vs. MCP-655 in the basement sink, and the MCP-655 clearly wins (by just a LITTLE bit), but where it realy wins is the noise - LOTS quieter than the 650/D4
both pumps had equal length of tubing drawing water from the sink, and an equal length of tubing leading from the outlet
pics:
1. test setup
2. the pumps
3. equal length of tubing ziptied together (to show which truly is more powerful)
4. mcp-655 wins (close stream = 650/D4, far stream = 655)
Slayer2003
05-21-05, 05:50 PM
.....looking at those pics i thought of something.....
A while back, when i first got my setup from what people on here suggested, i asked what the 2 pins were for on the back of my MCP-650. From the look of your new 655, it looks like they just drilled a bigger hole, and hooked up a rheobus.
Anyone wanna do some testing? :p
well a while ago i thought that you plugged a 2-pin on/off switch into it to turn it on & off, but it didnt do anything, so i don't think its for something like that
lilneel12
05-21-05, 10:55 PM
does anyone have an aquaextreme pump to compair the 655 with? i know that specs wise, the 655 is better, but it does produce more heat so, is it better or overall the same?
right now cathar is working on a heat output test for the 655 IIRC , but it should be about the same as the 650/D4 (15w)
SnowRider
05-22-05, 02:07 AM
Hey sneaky, you think you could get some sound clips of the difference in noise between the two pumps? I haven't seen anyone do that yet and seeing as you have both............. :D
Same question i would have. I also wonder how a single MCP655 or 50z would compare to using two via aqua 1800s.
IYIENACE
05-22-05, 03:36 AM
Surely the 655 couldn't be as powerful as the mighty Mag3 :cool:
But it is smaller...and my midcase doesn't offer many setup options...
And yeah it is probably quieter.........
And it does run off powersupply.....but I do already have a $30.00 relay that would join all the other retired / replaced growing stack of hardware....
But not as powerful! So I don't need it!
I don't need it.
I really don't.
Hey sneaky, you think you could get some sound clips of the difference in noise between the two pumps? I haven't seen anyone do that yet and seeing as you have both............. :D
The sound that the pump makes is comparable to hard drives when they are idle.
I got my Pump yesterday, big improvement since danger den d4,
Hey sneaky, you think you could get some sound clips of the difference in noise between the two pumps? I haven't seen anyone do that yet and seeing as you have both............. :D
well, the only thing i have to record sound right now is my digital camera, and the sound on that is EXTREMELY poor, so i doubt i can get a sound clip anytime soon
but i'll tell you that the 655 is nearly inaudible from a foot away, and completely inaudible from about 2 feet away, while the 650/D4 you can still hear the high-pitched buzzing noise as you walk away for 10-15 feet
Same question i would have. I also wonder how a single MCP655 or 50z would compare to using two via aqua 1800s.
and using a single 655, 650, or 50z would be much better overall than 2 1800's - the number one factor being heat dump - the 50z only puts 9w of heat into the water, and the 655 & 650 put ~15w of heat into the water, while the VA1800's are probably putting anywhere from 10-15w of heat into the water each, so you're going to be putting a decent amount of extra heat in the water with 2 lower-end pumps
other things that are resonably minor is the fact that it would take up more space, use more tubing, it would require an AC relay of sort, and it would probably be a bit louder as well
tonight i just realized how faulty my first pics were as far as showing dual mcp-655 performance
with the 650 vs 655 pictures, i used the entire laundry basin w/ a plug in it for the pumps because they were sucking up too much air from in the bucket i used before, and the flow of them kept erratically changing
i had used the bucket for the dual 655 pics, and compared to the 650 vs 655 pics, the stream looks terribly weak - i'm gonna re-do the dual 655 pics tomorrow after school using the basin filled up instead of the bucket so that the pumps aren't sucking in air & pumping at half-capacity
well, as promised, i re-tested the dual 655's using the entire laundry basin instead of just a 3-gallon bucket, and the stream was alot stronger - pumping almost two times further than the single 655 did in the 650 vs. 655 comparison i did
pics:
1. new test setup
2. stream from about a foot further back than the single 655 in the 650 vs 655 comparison
3. tubing held up high - very nice & consitent arc of water
4. tubing held up vertically (truly testing the head pressure of the pump) (and tell me that this pic doesn't look cool w/ the water just stopped in time for a split second :cool: )
legendosiris
05-24-05, 11:20 AM
bleh..anyone want an mcp-650 trade for 655? :D
SnowRider
05-24-05, 11:32 AM
well, the only thing i have to record sound right now is my digital camera, and the sound on that is EXTREMELY poor, so i doubt i can get a sound clip anytime soon
but i'll tell you that the 655 is nearly inaudible from a foot away, and completely inaudible from about 2 feet away, while the 650/D4 you can still hear the high-pitched buzzing noise as you walk away for 10-15 feet...........
No problem, (I almost forgot I posted here anyways lol :rolleyes: ). I wish I had more money so I could get my watercooling setup together since I was planning on having one about a year ago :cry:.
Achilles17
05-24-05, 06:12 PM
I would buy one...but who could I sell my MCP650 to now? It seems that everybody would opt for an MCP655 now instead, so interest in the MCP650 would be minimal, if existant at all. If I can get ~$50 for it, I'd be very happy. But I won't be able to sell it until the summer, so I'm not going to worry about it, as if I sell it now I know I would spend time that I should be spending studying, fiddling with my new WC setup lol. Maybe I'll order an MCP655 and a Newark at the same time this summer, that would kick ass.
I would buy one...but who could I sell my MCP650 to now? It seems that everybody would opt for an MCP655 now instead, so interest in the MCP650 would be minimal, if existant at all. If I can get ~$50 for it, I'd be very happy. But I won't be able to sell it until the summer, so I'm not going to worry about it, as if I sell it now I know I would spend time that I should be spending studying, fiddling with my new WC setup lol. Maybe I'll order an MCP655 and a Newark at the same time this summer, that would kick ass.
i got all 3 of my D4's sold for $45 shipped a peice - hell of a deal for a pump like that (cheaper than an eheim!!!), so i can see why they sold so easily - you could probably sell yours for the same price
whitebloodcell
05-28-05, 03:19 PM
How does the 655 compare to 350? Noise wise and performance, but primarily noise
the 655 is equal to the 350 in terms of noise, but the 655 has about twice the flowrate of the 350, and another plus to the 655 is the fact that it has native 1/2" barbs
Encore2097
05-29-05, 10:34 PM
Im looking into a WC setup how does it compare to the 50Z? I know it put out more heat 15w vs 9w. How do flow rate and head pressure compare?
xCRF450
05-29-05, 10:58 PM
i would be interested in buying an old 650 let me know, i am on a budget..
the 655 has about the same pressure/head as the 50z, but the 655 has double the flowrate
Encore2097
05-29-05, 11:31 PM
the 655 has about the same pressure/head as the 50z, but the 655 has double the flowrate
I am considering a mid-tower case which could fit a BIX, possibly a 2x120mm fan rad, would you recommend the 655 or the 50z? The cases im looking into are the AMS gMONO ( http://www.newegg.com/Product/Product.asp?Item=N82E16811180013 ) or the LIAN-LI PC-7Bplus ( http://www.newegg.com/Product/Product.asp?Item=N82E16811112212 )
the 655 all the way
edit: and get the lian-li pc-7b plus
xCRF450
05-30-05, 12:10 AM
yeah i would reccomend the lian li, it is twice as much but a much better case (Sorry for going off topic)
Strages
07-21-05, 05:25 AM
I am considering a mid-tower case which could fit a BIX, possibly a 2x120mm fan rad, would you recommend the 655 or the 50z?
The 50z will give you better overall performance because it dumps less heat into the loop. Based on calculations with a Cascade, HE120.2 (or BIX II), and medium-performance fans, the 50z beats both the 650 and 655 in overall performance. However, the 655 will give you a higher flowrate.
nice job digging up the post...
nikhsub1
07-21-05, 12:50 PM
Did somebody say stream? :D
http://www.anonforums.com/builds/rd30/stream/shoot3.jpg
What on earth kind of pump is that firehose from?
Sshadow
07-21-05, 01:51 PM
Nikhsub the ultimate pumpdaddy...
Tried to find Iwaki pumps here in sweden, gave up and ordered a MCP655. Increase it later on to 2 or 3.. Love nikhsubs triple pumping. :D
//Christian
in that pic thats nikhsub1's Iwaki RD-30... such a kickass pump... only downside is that you need a 24v PSU to power it
nikhsub1
07-21-05, 03:30 PM
Sneaky is correct, that is the RD-30. Downside? Heh! We have the room for the PSU in our cases Sneaky.
Sshadow
07-22-05, 12:19 PM
Your not the only once with room for it.. :P
Easily fit 16 hdds on my case backside + 2 PSU's.. (after a mod) YY-0221 gotta love it.
But your cases are the bigger one YY-0428? if memory serves right, and premodded before usage.
//Christian
RD-30....*drool*
I will definately be buying these quite soon, unless I feel like buying an RD-30 to own all.
Nikh, what's the price on an RD-30, if I can find one?
7
the 655 is equal to the 350 in terms of noise, but the 655 has about twice the flowrate of the 350, and another plus to the 655 is the fact that it has native 1/2" barbs
If you really wanted to, I know Laing makes that same volute with native 3/4" barbs! Heck I have prolly thrown 100 of them away. I think I may be saving them now!
Strages
07-23-05, 02:07 AM
RD-30....*drool*
I will definately be buying these quite soon, unless I feel like buying an RD-30 to own all.
Nikh, what's the price on an RD-30, if I can find one?
7
Usually ~$250. Usually they have to be bought in bulk, or from someone that has a few left over from a bulk order. They're going to run you at least $200, maybe $180 if you're really lucky. There were a few people over at ProCooling trying to get enough people for one person to make a bulk order - they ended up going to cost ~$225 a person.
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