Features:Host Interface: 2x 7pin SATA
        Compatible with any standard external 5.25" device bay
        Fits 2x 2.5" SATA/SAS HDD/SSD and 1x 3.5" HDD/Device
        Supports 2.5" SATA/SAS HDD/SSD of 7mm & 9.5mm height
        Supports SATA 6Gbps or SAS single channel (requires SAS host)
        Active Power Technology (APT) - only powers up if there is drive installed in the drive bay
        Soft blue indicator LED provided for each 2.5" HDD/SSD bay
        Detachable dust cover for 3.5" slot to keep debris from entering your system
        Enhanced tray and metal housing with for maximum durability
        ExpressTray Mini system for tool-less, easy installation comparable to tray-less designs
        Numerous ventilated slots for enhanced cooling
        Locking latch design for 7 pin SATA connectors
        Compatible with our lineup of 3.5" mobile racks like the MB991SK-B and MB992SK-B
        Designed for power users and system builder applications, mainly space saving and hot swap usage and for 2.5" HDD or SSD
    Drive Fit:Compatible 2.5" Drive Heights: 7mm, 9.5mm
        1x 3.5" device or 1 x 3.5" hard drive
        2x 2.5" SATA or SAS (single channel) HDD/SSD
    Device Fit: Single external 5.25" half height device bay
    Transfer Rate: Up to 6 Gb/sec. (depending on hard drive speed)
    Power Input: Single 15pin SATA power port
    Insert& Extract connection Via: Direct SAS/ SATA hard drive connection
    Structure: Plastic and metal
    Power Indicator: Solid blue LED
    HDD Access Indicator: Blinking blue LED
    Color: Black
    Dimension (WxLxH): 41.3 x 145.8 x 151.1 mm
    Weight: 346.3 g
    Package Contents: Device, user manual, screws