The RJ21S is a removable drive for data security, transport, and backup. The cost-effective RJ21S houses two 2.5" drives in a single 3.5" bay.

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    Technical Specs

    Part Number 6710-6500-9500
    Product Name RJ21S
    SATA Bus Speed up to 6 Gbps
    Host (I/O) Ports (2) SATA: up to 6 Gbps
    Drive Types Supported SATA 2.5" drives
    SATA SSD (solid state drives)
    SAS 2.5" drives
    Host Bay Size 3.5in
    Compatible Drive Type Up to two (2) 2.5-inch SATA drives that are removable from TrayFree slots
    Insertion Rating up to 50,000 drive insertions
    Number of bays 2
    Lockable Bays Rotate/Press
    Number of LEDs 2
    Description of LEDs Power, drive activity
    Construction material(s) Durable metal construction
    Power output 5V provided to the drives
    Dimensions 5.51" x 4.02" x 0.98" (140mm x 102mm x 25mm)
    Weight 0.63 lbs. (0.29 kg)
    Compliance FCC, CE, RoHS, TAA
    Warranty CDSG provides a 3-year limited warranty for this product.
    Technical Support Your investment our product is backed up by our free technical support for the lifetime of the product. If you need to contact us for any reason, visit our website.
    Resources and Documents

    User Guide for Rhino Jr RJ21S
    Oct 20, 2016 - 158.43 KB

    Product Description

    Government agencies and SMB organizations that require effective removable drive enclosures to store, transport, and protect their sensitive data rely on the CRU Rhino® Jr RJ21S.

    These two carriers receive any capacity 2.5" (9.5mm) SATA hard drives and solid-state drives (SSD). The frame mounts in the standard 3.5" bay drives found in desktops and workstations.

    The RJ21S enables fast drive swapping for additional storage with our TrayFree™ technology.

    Metal hard drive carriers provide reliable data protection for the RJ21S. These enclosures are engineered and warranted for over 50,000 insertions using durable connectors.

    The RJ21S operates at speeds up to 6 Gbps using 6 Gbps hard drives and host controllers.

    Secure your data with the key lock to prevent unauthorized access to your drive or accidental removal during operation.

    Additional features:

    • Power and drive activity LEDs
    • 3-year warranty
    • Free lifetime phone tech support

    The RJ21S removable drive carriers and frames will provide you with reliable performance while protecting your data.


    Products and Accessories

    Fits in a 3.5in PC bay; accepts two 2.5in SATA or SAS HDDs or SSDs; TrayFree drive access; SATA 6G host connection
    part #: 6710-6500-9500
    Ships in: 1-2 Days


    Spacer for 7mm drive
    Converts a 2.5in SSD or HDD with 7mm height to a 9.5mm height
    part #: 2836-0000-10
    Ships in: 3-5 Days
    Extra Keys For RJ20S and RJ21S
    part #: 2402-6700-02
    Call 1-360-816-1800 or email us for availability