OWC Mercury Elite Pro Qx2 4-bay external RAID enclosure . Does not include cable, key (but can be opened with small flat head screwdriver) . Configured with 4 x 3TB hard drives (12TB total / approx. 9TB usable in RAID setup). • 4-bay RAID storage system • USB 3.0 connectivity • Solid aluminium enclosure with built-in cooling fan • Ideal for backups, media storage, or home office use
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