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Corsair HydroX Custom Liquid Cooling Review (Page 6)

Shannon Robb | Apr 6, 2020 at 8:38 pm CDT - 3 mins, 37 secs time to read this page
Rating: 96%Manufacturer: CorsairModel: CX-9010001-WW

XD3 RGB Pump/Reservoir with DDC Pump

Corsair HydroX Custom Liquid Cooling Review 44 | TweakTown.comCorsair HydroX Custom Liquid Cooling Review 45 |

The XD3 is the smaller pancake-style pump/reservoir combo. As you can see, it's a square style shape with the top of the square being the reservoir chamber. Being Corsair, you know this has iCUE control and addressable RGB for those who desire it. The unit employs a DDC pump, which is a popular compact pump design that makes this unit ideal for a small form factor rig where room for a cylinder style reservoir may not be ideal. We did use this pump/res to pre-test blocks for any leaks before the assembly of the full build. However, we opted for the XD5 D5 unit for the final build due to the space availability and the extra liquid volume, which made bleeding the loop far easier.

Corsair HydroX Custom Liquid Cooling Review 46 | TweakTown.comCorsair HydroX Custom Liquid Cooling Review 47 |

Opening the packaging of the XD3, we find a clamshell-like our CPU block. On top of the clamshell, we have the accessory mounting options and hardware.

Checking out the brackets, we find the 140mm and 120mm fan mount brackets. Also, here we see the mount used where the pump sits directly in the middle, which would likely be the one, we would use in the PSU chamber if we went with this model in the 680X. Also, here is the multi-page manual and the warranty booklet, like what we saw on the XD5 cylinder style reservoir.

Here we have the other included accessories. Firstly, is the stop plugs used to populate the G1/4 ports, which will not be used, along with the yellow tool for the installation of the plugs. Next will be the temperature probe, which goes into the water tank to measure the liquid temperature. The mounting screw set is quite like the XD5 version and covers the several mounting options. Lastly, for this one, we have the 24-pin ATX jumper used to cycle the PSU and allow the liquid cooling pump to run and leak test the loop once built.

Corsair HydroX Custom Liquid Cooling Review 49 | TweakTown.comCorsair HydroX Custom Liquid Cooling Review 54 |

Now we get to the XD3 unit itself. The XD3 has two connectors like the CXD5 with the PATA connection serving power, while the 4-pin fan header provides RPM feedback and PWM control. The RGB connectors are the same as the XD5 with a male and female connector to allow a pass-through or daisy chain of the components. The top ports offer an inlet and outlet for the XD3. The internal baffling appears to make a sort of shoring or walls to help avoid cavitation and bleeding of air in the coolant since the volume is limited.

Flipping to the rear and we see the DDC pump retained with four Torx head fasteners. There are also four rubber-mounted legs which are used to mount the pump to the included brackets for mounting. We also see two cable guides to help manage the pump and RGB daisy chain cabling.

Corsair HydroX Custom Liquid Cooling Review 50 | TweakTown.comCorsair HydroX Custom Liquid Cooling Review 51 |

Here we have two of the ports for the XD3. The first being the side port, which can also be used as an outlet the same way the front left-hand port does, so you have options.

The second port shown is your designated fill port at the top of the pump or opposing the down side where the front-facing logo is found.

Corsair HydroX Custom Liquid Cooling Review 52 | TweakTown.comCorsair HydroX Custom Liquid Cooling Review 53 |

The other two ports running the surround of the pump are as follows. The right hand G1/4 port is an inlet for a liquid return like the one found of the same right-hand side front-mounted port; you can use either for return or inlet.

Next, up is the bottom-mounted port, which should be used for your temperature probe. This port is recommended as it will ensure the probe is continuously in the liquid so the reading can be considered accurate.

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Finishing off the XD3, we wanted to give a more stylized angled look at the pump/res unit. Here you can see the baffling and even the small J shaped wall around the pump inlet to try and eliminate the propagation of air cycling continuously through the loop. While there may be air at first and it may cycle, the internal structures help baffle the air circulation, and eventually, with regular refills for the first bleeding period, they will work out.

Last updated: Apr 6, 2020 at 08:45 pm CDT

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Shannon Robb


Shannon started his PC journey around the age of six in 1989. Now till present day, he has established himself in the overclocking world, spending many years pushing the limits of hardware on LN2. Shannon has worked with design and R&D on various components, including PC systems and chassis, to optimize the layout and performance for enthusiasts.

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