Check the listing for details. HP M6720 QR491-63012 Drive Shelf 4U SAS 3.5" Drive Enclosure 24-Port. Condition: Used. Listed at 250.00 USD. TBF Item ID: 104460.This item has been Tested for Key Functions, Ready for Resale. HP M6720 QR491-63012 Drive Shelf 4U SAS 3.5" Drive Enclosure 24-Port Brand:HP Manufacturer: Item Condition:Used Model:QR491-63012 Manufacturer Part Number:M6720 Product Condition:Minor Cosmetic Damage (scuffs or scratches), See Pictures Testing:Tested & Working Accessories: Missing accessories (Software, cables, manual, remote, etc.) Box Condition:No Original box Approx Shipping Weight and Dimensions:Weight (lbs): 46.00 Dimensions: 29.00" x 23.00" x 11.00" inches Items Included / Notes (If it is not pictured, it is probably not included) Unit does not contain a hard drive. COA, License, OS (operating system), and other software not included. You MUST reload the unit to gain original factory functionality. Unit does not include hard drive caddie(s). 2* PSUs 2* QR491-04400 modules Power Requirements: Requires a standard computer power cord, included Input Voltage: 100-240 volt Item(s) will have a 4"x2" internal inventory label, see pictures To contact TBF Computing with questions or concerns: Please consider sending any questions or concerns directly through the Ebay messaging center; this is the easiest method to reach us, and we will respond promptly (normally less than one business day). For local pickups, please contact us directly so that we can have your item ready when you arrive. Address: 1090 Cobb Industrial Drive, Marietta, GA 30066.Business hours: We are open Monday through Friday from 8:00AM to 5:00PM Eastern Standard Time. We are not available for local pickups between the hours of 12:00 and 1:00 or after 4:00.