International Customers:
- Please note any taxes and duties not paid at checkout WILL be charged by your destination country at the time of delivery (i.e., VAT).
EKWB EK-Pro CPU WB 4189 Rack Aluminum Nickel + Acetal Water Block – Brand New Factory Sealed
Condition:
- Brand new, factory sealed in original EK Pro retail packaging.
Compatibility:
- Designed for Intel Xeon Scalable processors using LGA 4189 socket platforms.
- Important: This version is made with an aluminum (Al) cold plate and must be used exclusively in all-aluminum loops.
- Do not mix with copper, nickel, or brass components to prevent galvanic corrosion.
- Compatible with EK-Pro mounting brackets for rack and workstation chassis setups.
Detailed Specifications:
| Brand | EKWB (EK Water Blocks) |
| Model | EK-Pro CPU WB 4189 Rack Al Ni + Acetal |
| Socket Compatibility | Intel LGA 4189 (Socket P4) |
| Material | Aluminum cold plate with Nickel coating (Ni) and Acetal top |
| Finish | Brushed aluminum appearance with nickel-plated base and matte black acetal top |
| Threads | G1/4” BSPP (standard EK fitting size) |
| Application | Designed for high-performance servers and professional rackmount systems |
| Thermal Compound | Includes EK-TIM Ectotherm thermal paste |
| Mounting System | Pre-installed mounting bracket for Intel LGA 4189 socket retention assembly |
| Compatibility Notes | For aluminum loops only. Do not use with copper, nickel, or brass liquid-cooling components. |
| Included Accessories | EK-TIM Ectotherm paste, mounting hardware, and Allen tools |
| Made In | Slovenia |
What’s Included:
- EKWB EK-Pro CPU WB 4189 Rack Al Ni + Acetal Water Block
- Mounting hardware and Allen keys
- EK-TIM Ectotherm thermal compound
- Original EK-Pro retail box (factory sealed)
Shipping:
- Free shipping via USPS Ground Advantage or UPS Ground.
- 1-business day handling time.
- Please note we cannot ship to freight forwarders, international exporters, or 3rd-party logistics hubs.
Returns:
- Returns accepted within 30 days if unopened and in original condition.
- A 20% restocking fee applies if the seal is broken or the item shows signs of use.

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