Description
ModelACFRE00158A
The ARCTIC Freezer 4U-SP5 (ACFRE00158A) is a professional-class air cooling solution specifically designed for AMD’s SP5 platform, including high-end EPYC 9000 series processors used in servers and workstations. Its engineering focuses on uncompromised cooling performance in strict 4U rack environments, where space is limited but thermal demands are high.
Fitted with two 120 mm PWM fans in a push-pull setup, the cooler moves a large volume of air through the heatsink with excellent static pressure. This means it can dissipate heat effectively even under sustained high loads. The ten 6 mm direct-touch copper heat pipes and a dense 62-fin aluminum array work together to pull heat away from the CPU quickly and efficiently.
Despite its powerful performance, the cooler maintains a compact 145 mm height that fits comfortably in standard 4U rackmount chassis and many consumer 4U cases. Pre-applied ARCTIC MX-6 thermal compound ensures optimal thermal contact right out of the box without additional paste application.
Designed for heavy server workloads, the Freezer 4U-SP5 is built with dual-ball bearing fans and robust construction for long-term operation in environments running 24/7. Its ability to stay cool even with AMD EPYC CPUs rated up to 360 W TDP makes it an excellent option for high-performance rack builds.
Why It’s a Great Choice
Server-Optimised Cooling for SP5: Purpose-built for AMD SP5 socket platforms — including high-core count EPYC processors — making it one of the few dedicated air coolers engineered for modern AMD server CPUs.
Powerful Dual-Fan Push-Pull Performance: The two 120 mm PWM fans in push-pull mode produce strong airflow and static pressure, efficiently moving heat through the dense heatsink array — great for sustained high loads.
Excellent Heat Transfer: With 10 direct-touch heat pipes and a large fin stack, the cooler maintains stable temperatures under demanding workloads and extended operation.
Compact 4U Rack Compatibility: Its 145 mm height ensures compatibility with standard 4U server chassis, while its footprint keeps CPUs cool without overcrowding rack space.
Pre-Applied Thermal Compound: Comes with MX-6 thermal paste pre-applied, simplifying installation and ensuring optimal thermal contact from the start.
Built for Continuous Duty: Dual ball bearing fans and rugged construction support 24/7 operation — ideal for servers, data centers, and professional workstations.
Long Warranty: Backed by ARCTIC’s 6-year warranty, providing confidence for long-term reliability in demanding environments.
Specifications:
| Specification | Details |
|---|---|
| Brand | ARCTIC |
| Model / SKU | Freezer 4U-SP5 (ACFRE00158A) |
| Cooler Type | Server/Workstation CPU Air Cooler |
| CPU Socket | AMD SP5 (EPYC / SP5) |
| Fan Configuration | 2× 120 mm PWM Fans (Push-Pull) |
| Fan Speed | ~300 – 3300 RPM (PWM controlled) |
| Bearing Type | Dual Ball Bearing |
| Heat Pipes | 10× 6 mm Direct Touch |
| Fin Count | 62 aluminum fins |
| Thermal Compound | Pre-applied MX-6 |
| Airflow | ~81.04 CFM (~137.69 m³/h) |
| Static Pressure | ~4.35 mm H₂O |
| Noise Level | ~45.3 dBA (max) |
| Connector | 4-Pin PWM (Y-split) |
| Dimensions (L×W×H) | ~124 × 147 × 145 mm |
| Weight | ~1512 g |
| TDP Rating | Up to ~360 W |
| Recommended Use | 4U Rack Servers / Workstations |
| Warranty | 6 Years |
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