EK-Pro Pump Reservoir Manifold X6 D5 - Acetal is a 3-in-1 product that acts as a pump, reservoir, and manifold. The X6 in the name designates the number of components it can directly connect as a manifold, and D5 indicates a single D5 pump pushing the liquid around the loop.

It can act as a regular pump-reservoir combo, be used like a manifold, or, practically, as a distribution plate, even though its aesthetics vastly differ from most distro plates.
This combo unit can be mounted to the case in many different ways. EK-Pro Pump Reservoir Manifold X6 D5 has M4 screw threads on the side opposite to ports and on the backside, allowing for plenty of mounting options, multiplied by the bracket with 120mm fan mounting hole spacing (105mm). A staggering 14 G1/4" ports are available, of which two act as dedicated fill and drain ports.
This combo unit comes with a powerful yet silent PWM-controlled D5 pump. The goal was to make a product with enough power to offer excellent reliability and outstanding performance with multiple blocks and radiators while keeping the noise down to a minimum. The D5 pump has been updated with the latest G3 (Generation 3) variant and comes with a SATA power connector, following the latest PC industry trend to decrease the use of 4-pin Molex cables.
EK-Pro Pump Reservoir Manifold X6 D5 – Acetal comes with a drain port and a Quick Disconnect Coupling/Fitting and tubing for the user to be able to drain their system directly out of the case without the need for any other tools. You simply slide on the part of the QDC with the tubing onto the other half of the QDC installed on the combo unit and effortlessly drain the reservoir. Using the QDC is entirely optional but brings many QoL benefits.

Most of this combo unit is made of durable Black POM acetal, with the addition of a stainless steel plate that goes over the front of the combo and has a sliver opened for the see-through acrylic window.

The pump is held by an acetal holder. Coolant is sealed by high-quality O-rings.
Technical Details
Reservoir:
- Dimensions with the attached pump (W x D x H): 75 x 115 x 235mm
- Dimensions with the attached QDC (W x D x H): 75 x 115 x 235mm
- Reservoir coolant volume: 220ml
Pump Motor Technical Specifications:
- Motor: electronically commuted spherical motor
- Rated voltage: 12V DC
- Power consumption: 23W
- Maximum pressure head: 3.9m
- Maximum flow: 1500L/h
- Maximum system temperature: 60°C
- Materials: Stainless Steel, PPS-GF40, EPDM O-rings, Aluminum Oxide, Hard Coal
- Power connector: SATA and 4-pin PWM FAN connector
Operational Regime:
- PWM duty cycle: ~ 20-100%
- Default behavior: runs at 100% duty cycle when no PWM feedback signal is present
Enclosed:
- EK-Pro Combo unit
- Mounting Bracket
- QDC (quick disconnect fitting
- 1m ZMT tube
- Allen key 6mm (1pc)
- Allen key 2,5mm (1pc)
- G1/4 Plugs (11pcs)
The Alphacool ES 1U ServerRack has been specifically optimised to accommodate water cooling sets that can dissipate up to 490W of waste heat in this enclosure. For this purpose, the enclosure not only offers a mounting frame for a maximum of one 7x40mm full copper radiator of the Alphacool NexXxoS series. The optionally available Alphacool ES 40 mm fans with PWM control ensure optimum cooling performance.
Drives
The 1U server rack offers mounting options for two 5.25" drives on the left and right side of the front. Each 5.25" bay offers the alternative of mounting two 3.5" drives. A holding frame for mounting up to four 2.5" drives is pre-mounted in the centre front. This holding frame can be mounted at five other positions in the enclosure.
Mainboard
For mounting an SSI-EBB mainboard, all the usual screw connection options in the classic ATX format are available. This includes all mounting holes for Mini-ITX to EE-ATX. A graphics card in PCIe or 0.8" low-profile format can also be installed via a riser cable. A corresponding panel for 0.8" cards is pre-mounted in the case.
Water cooling for 490W waste heat
With an appropriate water cooling system, up to 490W of waste heat can be dissipated in this case. Alphacool offers special water cooling sets for this purpose, which can be individually configured and are delivered to the customer pre-filled. The mounting frame for the radiator and fans can be moved within the enclosure to suit any set-up.
Please note: The case comes without I/O panel. Alphacool offers a separate set of I/O panel and cable set under item number 1021066.
| Technical data | |
| Dimensions (L x W x H) | 730,75 x 478,50 x 44,45mm |
| Weigth (only case without common rails) | 7,62 kg |
| Form factor | 1U |
| Material | Galvanised sheet steel |
| Material thickness | 1,2 mm |
| Mainboard form factor | SSI-EEB: Mini-ITX, Micro-ATX, ATX, E-ATX, EE-ATX |
| Fan/radiator bracket | 7 x 40 mm |
| Color Case | Grey |
| Color Front | Black |


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