MASSCOOL MR-2400 4-Bay 2.5 SATA/SSD HDD Mobile Rack Tray Less Color: Black Mobile Rack Drives Support: Multi 2.5 Drives to 5.25 Bay Mobile Rack Interface: SATA I/II Specifications: Frame material: Aluminum Tray material: Aluminum HDD Size: 2.5 SATA / SSD (Supports SATAII 3.0 Gb/s) Hot Swap: Yes Operation System support: Windows 2000/XP/Vista/7/8; MAC OS 10.2 or above Housing: 142 x 148 x 42 mm