Check the listing for details. ARCTIC FREEZER 4U-M (Rev.2) Server Cooler AMD Intel Silent SP6 sTR5 SP3 TR4. Condition: New. Listed at 54.99 USD. Freezer 4U-M (Rev. 2) COMPACT: The Freezer 4U-M (Rev. 2) 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 4U server cases and larger, saving you valuable space HIGH-PERFORMANCE: Featuring two custom-designed 120 mm fans, the Freezer 4U-M (Rev. 2) ensures outstanding heat dissipation. Fine-tune your performance with PWM control for optimized operation DURABLE: Our Freezer 4U-M (Rev. 2) 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-M (Rev. 2) comes complete with thermal paste, pre-installed mounting brackets, and utilizes our exclusive mounting points, making installation a breeze