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Swiftech MCP355 High Performance 12V Industrial Water Cooling Pump 3/8IN Barbs

Final sale. This product cannot be exchanged. No returns or refunds. RMA ONLY.
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Swiftech MCP355 High Performance 12V Industrial Water Cooling Pump 3/8IN Barbs - 1
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Reg. Price: $83.99  CAD
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   Shipping Weight:   1 lbs
   Part #: MCP355

Features    [ Edit | History ]


Introducing the MCP355™ pump: despite a remarkably small footprint of 2.4" square, the MCP355 features an astounding 20ft of head to provide superior flow rates in today's most complex liquid cooled systems. The MCP355 is also a high reliability, high pressure industrial pump, featuring a 50,000 hour MTBF (5 year lifetime). Such reliability is afforded by the unique design of this pump, which contains only one moving part: the magnetically drivenrotor/impeller spins on a single ceramic bearing, thus extending the life of this pump beyond existing standards.

The pump is completely plug-and-play, and connects directly to any computer power-supply through standard 4 pin power connectors. It's compact and powerful motor make it ideally suited for extreme duty cooling in environments where space is at a premium.

Summary of features and benefits

  • Small Footprint: 2.4" x 2.4" x 1.5"
  • 50,000 hours MTBF (Mean Time Between Failure) equivalent to 5 years lifetime.
  • Superior 12 Volts DC convenience: plugs into the computer power supply
  • The MCP355™ can be used with full confidence in any MP servers, and high-end workstations.
  • Superior real world performance thanks to its high pressure characteristics (20ft of head). The MCP355™ is particularly well adapted to the proliferation of daisy-chained liquid cooling devices in a single circuit: Multiple Processors, Chipset, Graphics, and Hard Drives.
  • 3/8" barb fittings.
  • No maintenance when used with de-mineralized water, and anti-fungal additives (Our HydrX™ additive is recommended)
  • Quick installation with adhesive neoprene pad, or permanent installation with screws and grommets.
  • RPM sensor plugs to 3 pin motherboard fan connectors and reports impeller rotational speed

A Note of Caution! the MCP355 generates higher audible noise than the MCP350 andMCP655 pumps. This product is not recomended for users seeking silent operations.

Specifications    [ Edit | History ]

Technical specifications

Nominal voltage

12 V DC

Operating voltage range8 to 13.2 VDC
Minimum starting Voltage9 VDC

Nominal power (@ 12 V)

18 W

Nominal current (@ 12 V)1.46 amps

Nominal head (@ 12 V)

20.2 ft (6.1 m)

Nominal discharge (@ 12 V)

~ 120 GPH (454 LPH)

Connection size

3/8" barbs (10mm)

Maximum pressure22 PSI (1.5 BAR)
Temperature rangeUp to 140°F (60°C)

Electrical connector

Molex 4 pin


7.3 oz (207 gr.)

Our noise measurement (non lab environment)30 ~ 32 dBA in a quiet room @ 2'
Motor typeElectronically commutated, brushless DC, spherical motor
Pump MTBF (Mean Time Between Failures)50,000 Hours
RPM Sensor3 pin connector

Swiftech MCP355 Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Swiftech MCP355 reviews.
Experience: 90 Days
great preforming pump. compact size
pricematch needed
grea performance can be made min. 15% better with new pump top also gives you choice of fittings rather than 33/8 plastic factory barbs

Experience: 1 Years
 Verified Owner
Tiny pump,
Great head pressure,
Good quality (swiftech pump are one of the best out there)
Only 1 year warranty under NCIX,
Can be loud
Had a couple of those and mcp655 as well all with custom top EK and XSPC.

Work pretty much 24/7 for a year now and only one issue so far... I made the mistake of buying TT coolant who gunked my pump and WB :x

The main issue with this pump is the vibration, so each of mine are wrap with foam in order to cancel this annoying vibration sound.

If your limited is space, this pump can fit anywhere.

Experience: 4 Months
 Verified Owner
That what i want 3 years ago when i start watercooled setup!
are you kidding!!
previously i use a mcp655 3 in 3 year all! dead!!
they have no power compare to this pump!!

Experience: 7 Days
 Verified Owner
Great foot print, silent, great water mover
Need a top if you want to use 1/2 barbs
this is not the 1st time I use this pump. I made many builds with it, and was never unhappy. Personnaly, I prefer this one over the d655 even with the need of a custom top.

Experience: 30 Days
 Verified Owner
does the job so far
takes a lot of power and you may need to upgrade your power supply, I used it with an Antec earthwatts 650 and ended up underpowering my graphics card to the point where the card is now toast If you have a similar power supply with one rail you might have better luck or else get a bigger one I am now using a cooler master silent pro 1000 and no problems

the unit is quiet and even though it makes a slight noise in a case it is not noticeable

Experience: 53 Days
 Verified Owner
Great pump for the price
I bought this pump to work with a XPC top to replace my aging MCP655. This pump works great and was able to flow much better then the other one.

Experience: 2 Weeks
 Verified Owner
Quiet, good flow, small footprint.
I bought this and put an XSPC res/pump top on it. It runs nice and quiet and gets the job done. The only issue is that if you use a Bitspower 1/2" compression fitting on the top port you will not be able to remove the fill plug on top. This really is not that important as I only had to loosen the plug a wee bit to bleed out the air.

Experience: 1 Weeks
 Verified Owner
better the the pump that came with my LCing case,
small so it can be hidden easly
a bit loud but so are the 5 fans in the case.
what can i say, it does what its made to do and does it good. easy to place anywhere in the case,
you my have a hard time remembering which way is in and which way is out

Experience: 4 Months
 Verified Owner
cant adjust barbs
I bought this pump as my no name stopped working. This pump worked great and was able to flow much better then the other one. I would recommend this nice strong little pump.

Experience: 3 Months
 Verified Owner
more powerful than most water cooling pumps
a bit loud for my tastes
dumps a bit of heat into cooling loop
Its a great little pump for an average setup. I was expecting it to be a bit more powerful but it still is better than the other stuff available dedicated to computer cooling. Noise is a bit of an issue for a silent system (however, have to find those noise reducing baffles that are available in the EU)

 NCIX Forum Messages

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Messages about Swiftech MCP355 High Performance 12V Industrial Water Cooling Pump 3/8IN Barbs

Why do these keep dying? (Marc_W- Dec 11, 10, 6 Replies) Read this message
tubing (Ben_S- Aug 07, 10, 1 Replies) Read this message
Availability (Lucius- Mar 25, 10, 1 Replies) Read this message
Can you mount this sideways? (Thomas C- Jun 18, 08, 10 Replies) Read this message
blue impeller? (dsn- May 05, 07, 2 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
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