Hot swap with ease by installing 4 SSDs/HDDs into one 5.25in bay Multi-bay mobile rack backplane / drive caddy / 2.5' hard drive adapter Works with 5-15mm 2.5in SAS / SATA drives including Samsung 840 EVO Ideal for drive sharing and redundant backup Supports SAS II & SATA III (6 Gbps) Lockable and removable trays 50,000+ Insertion Rating Durable metal housing Two 40mm fans for ventilation Interchangeable drive tray with 1-bay backplane SATSASBP125 Replacement for SATSASBAY425