Fits 2 x 5mm to 9.5 mm height 2.5 SATA HDD or SSD in a external 3.5 drive bay^^Dual Lock Design - Metal key lock (for drive security) and thumb screw lock (for impact/vibration)^^Removable drive tray design allows easy maintenance and fully supports SATA hot-swap^^Supports SAS or SATA HDD/SSD at 6Gbps and is backwards compatible with SATA 3Gbps drives and hosts (SAS host is required for SAS drives) ^^Supports SATA 3.0 6Gbps or SAS 3.0 12Gbps (Single channel) ^^Rugged Heavy Duty Full Metal construction, perfect for enterprise applications^^Industry-leading 5 years limited warranty with exceptional customer support