Alphacool
Alphacool ES Jet LGA 4677 1U
Experience superior cooling with the Alphacool ES Jet CPU Cooler, engineered for high-performance Intel LGA 4677 processors in server and workstation environments. Its innovative four-nozzle water distribution system ensures optimal coolant flow for precise, effective cooling of all processor cores. This cooler reliably dissipates up to 800 watts of heat, thanks to its nickel-plated copper construction and optimized base design. The compact, flat profile with top-located connections makes it ideal for space-constrained server racks, ensuring efficient performance in demanding applications.
$137.95
Owner Satisfaction
4.5
/ 5
Category Rank
1339
/ 3605
#1339 in Computer System Cooling Parts
Price vs Category Average
-9%
Below average
Dimensions (L x W x H)
118.5075.5023.50
/ x x mm
Who it's for
- Ultra-Slim 1U Design
- Optimized Jet Plate Cooling
- Robust Copper Construction
Who should skip it
- Limited Application Scope
- Challenging System Integration
- Premium Price Point
Key Specs
Dimensions (L x W x H)
118.50 x 75.50 x 23.50 mm
Material
Nickel-plated copper (base), Acetal (top)
Cooling Capacity
Up to 800W
Compatibility
Intel LGA 4677, AMD SP5 (optional)
Threads
2 x G1/4"
Pressure Tested
0.8 bar
Max Working Temperature
60 °C
CPU Socket Compatibility
LGA 1700
Features
- Four-nozzle water distribution for optimal core coverage
- Reliably dissipates up to 800 watts of waste heat
- Compact, flat design saves space in server racks
- Entire cooler made of nickel-plated copper
- Organic water flow ensures smooth performance
- Base optimized for large processor cores
- Includes high-performance Subzero thermal paste
- Top-located connections for easy routing
What customers say
System integrators view the Alphacool ES Jet LGA 4677 water block as a top-tier solution for cooling high-TDP Intel Xeon processors in tight 1U servers. Users consistently praise its exceptional thermal performance, noting significant temperature drops thanks to the effective jet plate design. The enterprise-grade construction inspires confidence in long-term reliability for critical applications. While the performance is best in class for this niche, the high cost and intricate installation process present barriers. Value is recognized primarily by those needing this specific combination of extreme cooling and compact form factor compatibility. It is considered an indispensable component for high-density liquid cooled racks.
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$138