4-BAY BACKPLANE: Add four U.2 (SFF-8639) NVMe drive bays to computer; Supports 7mm to 15mm 2.5" NVMe SSDs; Up to 32Gbps per drive with individual Mini-SAS SFF-8643 ports; Fits into a 5.25" bay; Hot swapping requires PCIe hot swap support from the host. SECURE DESIGN: Lockable drive trays/caddies (2x keys incl.) keep the drives safe while adding an extra layer of security, helping to prevent accidental hot-swaps; Aluminum body aids heat dissipation; Extra drive trays sold separately (SATSASTRX25). WELL VENTILATED: Quad U.2 mobile rack with four perforated drive trays/caddies, two rear blower fans and front air vents keep drives cool for optimal performance; Rear fan switch enables the adjustment of drive cooling fans between high and low settings. WIDE COMPATIBILITY: Compatible with storage management systems such as Storage Spaces (Microsoft), RAID Assistant (macOS), and mdraid/mdadm (Linux); Requires no drivers or software and works with any operating system; Supports U.2 NVMe Drives only. HASSLE-FREE SETUP: Includes 4x 2ft (61cm) Mini-SAS HD cables and uses a single SATA Power connector from the desktop/server power supply for a rapid installation; Drive and backplane mounting screws included; LEDs for individual drive status and activity. Install four 2.5in U.2 (SFF-8639) NVMe drives into one 5.25in bay, with removable drive trays. This 4-Bay Drive Backplane or Mobile Rack facilitates the installation of up to four 2.5-inch U.2 (SFF-8639) NVMe SSD/HDDs within a single 5.25-inch bay.. Secure Design. Enhance security and stability with lockable drive trays, providing an additional layer of protection while preventing accidental hot swaps*. The LEDs provide a visual indication of individual drive status and activity.. *Hot swap support is dependent on host computer PCIe hot swap capability.. Well-Vented. The Aluminum body is designed to facilitate heat dissipation ensuring optimal temperatures for the drives. Two rear cooling fans provide two adjustable airflow sett

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