Supports all brands of 3.5" of Serial ATA H.D.D. SATA I and SATA II Drives Tested with Western Digital SATA Drives, Maxtor SATA I and SATA II Drives, Hitachi SATA I and SATA II Drives and Seagate SATA I and SATA II Hard Drives up to 2,000GB in Capacity. A simple and effective tool for any users removable storage needs. Unique design ensures reliable transfer rates. MZ Series SATA Mobile Rack Aluminum Construction direct SATA to SATA bridge connection for ultimate performance. Aluminum SATA Mobile Rack Product Feature For standard 5.25" drive bay. Support Hot Swap & Plug & Play function Single Low-Noise Fan. 40 x 40 x 10 mm sleeve fan x 1 Easy transport and secure valuable data. For standard 1" height, SATA I and SATA II 3.5" H.D.D. Auto push-pull handle design. Direct SATA to SATA bridge connection for fastest performance up to 3GB. LED indicator for power and activity status. * led output requires Host adapter that has two wire LED output power Compatible with all type of PC cases and External 5.25" Sata Enclosures Aluminum material and ABS plastic. Keylock for Security Support SATA I & SATA II. Add hot-swapping capability to your external hard drives and enjoy Serial ATA\'s high-speed performance! SATA Mobile Rack II is a removable drive kit designed specially to turn a SATA or SATA II hard drive into a hot swap removable hard drive. Constructed with Aluminum all around for use in harsh and rough handling environment, the tough aluminum enclosure also provides sturdy hard drive protection and efficient heat dissipation for the high RPM Serial ATA hard drive.