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Case, Power Supply, Fan Reviews
  Product:     C-Systems CSP750 Brushless DC Pump  
  Price:     $49 (CAN) / $36 (U.S)
  Supplied By:     C-Systems
  Author:     Hi-TEK
  Date:     May 25th, 2004
  Rating:     star star star star star star star star

MODTHEBOX would like to thank Dan from C-Systems for sending the C-Systems CSP750 Brushless DC Pump for review.



Air cooling principals by nature are common for most computer enthusiasts. The goal is to achieve the best possible air circulation and at the same time keep a standard temperature level for a system at the lowest and highest points of computer performance. Air cooling systems are quite limited in terms of achieving the best overall performance and are known for the association of additional fan noise. Water cooling applications have recently started to gain in popularity for those individuals who want to overclock their system components beyond the manufacturer’s specifications. Water cooling applications currently exist in pre-assembled packages, self contained kits or DIY components. For those consumers willing to follow the DIY route, component selection can be critical for good overall system performance. A standard water cooling pump is the heart and soul of most water cooling systems. In the past few years most water cooling enthusiasts have traditionally used AC based aquarium pumps. Recently there has been a transition of DC based cooling pumps designed specifically for the PC platform. C-Systems Ltd based out of Redbridge, Ontario is a sub division of AVT International LLC and is a quality manufacture of PC liquid cooling systems components since 1991. The company has recently released a series of DC based pumps marketed under the name of CSP750. Today in the MTB Labs, we will be evaluating the C-Systems CSP750, a brushless DC based pump designed for PC liquid cooling systems.


The CSP750 Brushless DC Pump is one of two different models available on the C-Systems website. Consumers have the option of selecting from the original CSP750 or the CSP-X2 which has been designed to address the needs of extreme PC liquid cooling systems where multi-cooling blocks and multi-radiators. Here are some specifications taken from the C-Systems website:

CSP750 Brushless DC Pump - Key Specifications:
CSP750 Brushless DC Pump: Manufactured by C-Systems
Dimensions: 2" (W) x 2" (H) x 2" (L)
Material: CNC and Anodized Aluminum-Mg Alloy
Flow Rate: 120 GPH
Rated Voltage: 10V - 14V
Input Current: 0.14A MAX @ 12V
Input Power: 1.68W MAX @ 12V
Rotational Speed: 6400RPM +/- 10%
Acoustical Noise Avg: 8dBA
Insulation Resistance: 10M OHM Min @ 500VDC
Dielectric Strength: 5mA MAX @ 500 AC for 1 minute
Insulation rank UL:Class A
Life Expentancy: 50,000 hours continuous
Operating Temperature: -10 to +70C
Special Features: High flow, adjustable outlets, adaptable, easy installation and long life
C-Systems CSP750 Brushless DC Pump
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C-Systems CSP750 Brushless DC Pump
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The C-Systems CSP750 Brushless DC Pump was shipped in a standard double-walled corrugated box with shipping labels located on the front of the package. The packaging inside the box consisted of two sheets of polystyrene located on the top and bottom with both pump models surrounded in protective bottom wrap.

C-Systems CSP750 Brushless DC Pump
Click image for larger view
C-Systems CSP750 Brushless DC Pump
Click image for larger view
Out of the box, the C-Systems CSP750 and the CSP-X2 DC Brushless pumps are constructed using CNC'ed anodized 6061 and 6063 T6 aluminum. The CSP750 is a single unit that measures approximately 2" (W) x 2" (H) x 2" (L) and is rated for 12VDC. The CSP-X2 configuration uses the same CSP750 modules but consists of two pumps to handle multi-cooling blocks and multi-radiator setups. On the front of each model, C-Systems has embedded its company logo. The CSP750 modules are DC based and powered using a Tx3 connector that can be connected to any available 3-pin header found on a motherboard. This type of configuration eliminates the requirement of routing pump power cords or adding a relay kit since the pump can automatically be turned on once the PC is powered. Consumers worried about placing that much strain on a 3-pin fan header can use a 3-pin to 4-pin adapter as an alternative.
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