Bykski SPD 4U Rackmount Server Liquid Cooling Unit - 8 GPU Optimized Thermal Solution (B-640TK100-SPD-X)

This Bykski SPD 4U Rackmount Server Liquid Cooling Unit (B-640TK100-SPD-X) is an 8-GPU optimized thermal solution engineered for high-density server deployments. The high-capacity reservoir/pump module delivers uniform cooling to multiple GPU blocks, ensuring consistent thermal performance across all cards (with manifold not included). By directly cooling each GPU’s core and associated components via dedicated blocks in your loop, you can achieve lower temperatures, improved stability under sustained workloads, and extended hardware lifespan. A high-flow design supports multi-block series or parallel configurations, allowing you to tailor the loop for pressure balance and thermal efficiency in 4U rack environments. For multi-GPU setups, bridges or manifolds may be required depending on your chassis layout and block orientation. Specifications Chassis Form Factor: 4U rackmount, server-grade Pump: High-flow D5-class pump (integrated) Reservoir: High-capacity, front-access for serviceability and monitoring Radiator: All-copper, 100mm thick radiator features high-temperature welding, five-layer water channel design Control/Monitoring: Fill/bleed ports and visual flow/level indication along with SPD LCD Unit Parts Included SPD 4U Rackmount Liquid Cooling Unit (reservoir/manifold/pump/radiator fully assembled) Mounting hardware for 4U rack installation NOT INCLUDED Standard G1/4” port inlet/outlets WarningsThis is a repair-or-replace item. Returns are not accepted on compatibility issues or if the unit has had water/fluid run through it. The product does NOT include printed instructions. Please check the product gallery images for the installation illustration. The manufacturer reserves the right to alter the design to expand compatibility. The delivered item may not 100% match the pictured item. This product is designed for self-installation. The manufacturer is not liable for any damages resulting from misuse, including, but not limited to, improper installation or the use of incompatible hardware or fluids. By using this product, you accept all related risks.