COMPACT: The Freezer 4U-SP5 is your space-saving solution. It won't disrupt your RAM slots and is compatible with dual-CPU motherboards. It's compact design fits seamlessly into common 4U server cases and larger, saving you valuable space HIGH-PERFORMANCE: Featuring two custom-designed 120 mm fans, the Freezer 4U-SP5 ensures outstanding heat dissipation. Fine-tune your performance with PWM control for optimized operation DURABLE: Our Freezer 4U-SP5 features 120 mm fans equipped with double ball bearings, engineered for continuous operation. They're ultra-durable, making them the ideal choice for 24/7 use EASY INSTALLATION: The Freezer 4U-SP5 comes complete with thermal paste, pre-installed mounting brackets, and utilizes our exclusive mounting points, making installation a breeze Specially designed air cooler by ARCTIC for the high-performance SP5 server CPUs from AMD ARCTIC Freezer 4U-SP5