This lot of four Supermicro 3.5" HDD Tray Hard Drive Caddies (part number 05-SC82708-XX00C104) is a great addition to any computer storage setup. Made of durable aluminum, these caddies are compatible with SAS, SATA II, and SATA I interfaces and can hold 3.5" drives. They also feature partitions for easy organization and are designed specifically by Supermicro for their systems. These caddies are brand new and come in black color.