The 4-in-1 SFF carrier allows for the installation of up to four 2.5" devices (HDD or SSD, SATA & SAS). This carrier fits into a standard 5.25" external device bay & supports 6 Gbps operation (SATA & SAS). This carrier features four removable trays, designed to load & unload into the carrier tool-free. The carrier also features two 40 mm rear cooling fans to aid in thermal management. The device provides four SATA signal headers (7-pin). Front LED indicators are used to display power (green) & drive activity (amber).