Qnap UX-1200U-RP-US Economical RAID Expansion Enclosure for Turbo NAS Type: Expansion Enclosure Specifications: Hard Disk Drive: 12 x 3.5� or 2.5� SATA 6Gb/s, SATA 3Gb/s hard drive Hard Disk Tray: 12 x Hot-swappable tray with key lock RAID Management: Yes, (via QNAP QTS Storage Manager) USB: 1 x USB 3.0 port (rear) LED Indicator: Power, Link, Status LCD Panel: Monochrome-LCD display with backlight Secure Design: Kensington security slot for theft prevention Fan: Quiet cooling fan (7 cm, 12V DC) x 2 Power Supply Unit: Redundant PSU. Input: 100-240V AC, 50/60Hz Output: 300W Dimensions:3.50x 18.98x 21.02(H x W x D) Weight:35.58 lbs. (Net) / 41.84 lbs.(Gross) Form Factor: Rackmount Temperature 5 degree C ~ 35 degree C (40 degree F ~ 95 degree F) Humidity 5~95% RH non-condensing, wet bulb: 27 degree C. Package Contents UX-1200U x 1 Quick installation guide x 1 Accessory pack x 1 AC power cord x 2 USB 3.0 cable ...