This CPU fan heat sink is designed for Supermicro 4U servers/workstations equipped with Intel Xeon E3-1200 v2/v3/v4/v5 series processors. The heat sink has been fully tested and validated by Supermicro to ensure the best quality and cooling performance. Manufacturer Supermicro Server Form Factor 4U Cooling Type Active CPU Configuration Uni Processor Supported CPU SKU Intel® Xeon® Processor E3-1200, E3-1200 v2, E3-1200 v3, E3-1200 v4, and E3-1200 v5 Series Supported CPU Socket FCLGA1150, FCLGA1151, FCLGA1155 Supported CPU TDP Up to 95 Watts Attached Cooling Fan Speed Control: 4-pin PWM Rated Voltage: 12.0 VDC Rated Speed: 3,800 RPM Acoustic Noise: 38.0 dB(A) at Rated Speed Dimensions: 92L x 92H x 25W (mm) Position: Front Side MTBF/MTTF: 108,798 Hours Search Terms cpu fan Warranty 1 year warranty Product Environmental Compliance RoHS and REACH compliant, details available upon request