QNAP REXP-1000-PRO SAS/SATA/SSD RAID Expansion Enclosure for Turbo NAS Form Factor: 10-Bay HDD Interface: 10 x SATA (10 x Bay) LEDs: Front panel: Status, fan error, system over heat, SAS link, SAS error, enclosure ID Power: ATX 350W, Input: 110-240 Vac~, 47-63Hz, 5A Dimensions: 8.54 x 12.87 x 12.65 (H x W x D) Weight: 20.37lbs (Net)