Detail overview Main Specifications: Product Description : IBM - Hard Drive - 3 Tb - Sas 6gb/s Type : Hard Drive - Internal - Nearline Capacity : 3 Tb Form Factor : 3.5 Interface : Sas 6gb/s Data Transfer Rate : 600 Mbps Spindle Speed : 7200 Rpm Designed For : System Storage Ds3512 Model C2a, Exp3512 Storage Expansion Unit Model E2a Extended Specifications: Device Type : Hard Drive - Internal - Nearline Capacity : 3 Tb Form Factor : 3.5 Interface : Sas 6gb/s Performance: Drive Transfer Rate : 600 Mbps (external) Spindle Speed : 7200 Rpm Expansion & Connectivity: Interfaces : 1 X Sas 6gb/s Compatible Bay : 3.5 Condition : Refurbished. Availability : In Stock. Mfg Warranty : None. Server Supply Warranty : 30 Days.