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DO NOT use XSPC res tops with your Swiftech pumps... - Page 7

post #61 of 80
Quote:
Originally Posted by SilveR_172 View Post
To be honest i stopped reading your comment from the phrase backyard engineer,
As this is simply not the case XSPC is a widely known custom water cooling component producer to be honest when i got into water cooling i was surprised that the Americans heard of XSPC as its a British firm, but XSPC Make quality components like all their blocks rad and Pump tops its just unfortunate that the Res tops you speak of are breaking the pumps all the mods that XSPC Create are tested massively and when you fit a product you fit it at your own risk , if you don't want to take the risk of breaking the pump the "DONT FIT IT! " Simples as my meerkat friend would say ,
Just because they're well known doesn't mean that all their products are top notch. Unwavering brand loyalty is an issue throughout most industries - very few companies actually take into account the design of their products - it's why GPU blocks are released so soon after the corresponding graphics card is released. Also, compare the market is not well known outside the uk, so your joke is probably lost on most

Quote:
Originally Posted by un-nefer View Post
I still think it's just shoody components used in the pumps.

If they failed because of adding a top, then all of them would be failing. But there are far more ppl with tops who have never had a problem then those few who have.

Also, you can't say it is the xspc top causing the failure just because it is being used when it fails. That is like blaming Nike for causing car accidents just because a large number of ppl who crashed there cars where wearing Nike shoes at the time.

It is a manufacturing problem and Laing or Swiftech need to address it.
What if said Nike shoes were actually clown feet that got stuck on the pedals, thus jamming them on Toyota-style full throttle?

Quote:
Originally Posted by un-nefer View Post
I actually don't think it is XSPC's fault at all.

The oem restrictive top adds resistance to the spinning motor, increasing current draw, which in turn increases heat through the coils of the armature, commutator and brushes of the electric motor in the pump.

By using a top with lower restriction, you are in turn reducing the resistance placed on the motor and that reduces current draw, which reduces heat.

Reducing heat from the core components of the electric motor in the pump should actually improve the electric motor's longevity, not decrease it

Therefore if damage is occurring prematurely, even though there is now less heat being drawn and longevity should improve, it is from either:
1. incorrect reassembly
2. pump circuitry manufacturing fault
3. pump motor manufacturing fault
4. poor quality or faulty part used in pump manufacture
5. overrated pump cycle life
6. overheating due to environment
7. coolant or moisture getting into circuitry of pump


P.S. Almost all failures of the Swiftech pumps have been show to be the FETs on the circuit board - so I'll blame poor circuit design and cheap shoddy circuit components before I'd blame any third party top
You've actually described a DDC pump wrong. That example you gave is perfect for a brushed motor, but the DDC is an AC brushless motor - the movement is created by creating a rotating magnetic field.

Read undertheradar's posts - they're extremely informative.
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post #62 of 80
Cepheus,

While I completely agree with your post I'd just like to point out that GPU block manufactures obtain the reference PCB from NVIDIA and so they actually have already started designing the blocks before they are officially released. They just can't put a press release out stating this as it would break their NDA.
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post #63 of 80
Quote:
Originally Posted by motoray View Post
i used a res top for a year then traded for a non res xspc top cause i wanted something new... 2 yrs later pump is fine. And mine is just stuck to the case with the double sided sticky foam block thing so im ganna say its not the tops fault. 88evga has been using my res top since we traded and is still using it to this day.
i have a flow modded MCP 350, no issues here been id say well over 4 months now, basically, the only good thing about the flow mod is the speed in which the water circulates, increases gpm, and also makes the intake ontop of the pump instead of next to the outlet, ill take pics if youd like, mine hangs on velcro, sideways off the side of the HDD bays in my 932
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post #64 of 80
Still pressing for a definitive answer. I finally got a response, though it was a very generic one that obviously would only stir the pot more if I posted it. I'll post if/when I hear anything conclusive.
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post #65 of 80
Quote:
Originally Posted by Chunky_Chimp View Post
Still pressing for a definitive answer. I finally got a response, though it was a very generic one that obviously would only stir the pot more if I posted it. I'll post if/when I hear anything conclusive.
From reading the replies of the more informed it's not difficult to see that decreasing the back pressure on the pump might not be ideal in all situations.

If folks are indeed putting these on low restriction loops then it's very likely that Swiftech (counter to my initial beliefs) may have a valid point while stating that this is the fault of XSPC and other aftermarket top manufacturers.

Regardless, it doesn't matter if swiftech's claims were completely baseless as any modification to their gear should void the warranty. We see this with a lot of computer hardware, but expect this to be a different situation?

You wouldn't complain to Viewsonic when the LED backlight that you installed in their monitor caused the monitor to brick.
    
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post #66 of 80
I wouldn't really trust Swiftech in this situation. In my experience with there customer service, they were horrible. I called them because the Swiftech 5870 heatsink probably shortened my GPU, twice. They said it had to be user end or the GPU block I used and they would not honor any RMA. The thing is that I used the Swiftech GPU block that they advertise it works with. I told them I followed the instructions exactly as it said too. This happened to 2 of my 5870. So I was basically left in the dust.
post #67 of 80
I have one, bought it used and have used it a full year myself, I don't care for how loud the pump itself is, which is why it's not in use atm, but performance wise I noticed no shortcomings.
     
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post #68 of 80
Thx for this thread. Now I know to buy the heat sink for my pumps, and get airflow across them.
post #69 of 80
mine does get hot, it sits under an xspc bay res, I added this slot cooler:



stuck on top of the dvd drive w/ some velcro for easy removal, the pump stays cool and the cooler is not loud at all.
post #70 of 80
The XSPC restop has a distinction between it and other res/tops that I don't think should be glossed over: It has that tube that directs water flowing into the res directly at the impeller. No other top or restop that I know of is set up like this.
    
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