•  README FIRST: The same PowerEdge server type can have two different sizes of the drive bay. Your server HAS TO HAVE smaller 2.9 inches Hot-Plug Drive Bay. This 2.5 inch Drive caddy supports ONLY 2.5-inch hard drives. Check that your PowerEdge Server or Drive Array is LISTED and supported
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• COMPATIBILITY: 2.9 inch Drive Bay size. 
• PowerEdge 16th Generation R260, R360, T560, R660, R6615, R6625, R7615, R7625, R760, R760xa, R760xs, R860, R960, HS5610, HS5620. 
• PowerEdge 15th Gen R350, R450, T550, R550, R650xs, R750xs, R650, R750, R750xa, R6515, R6525, R7515, R7525, XE8545, C6520 enclosure. 
• PowerEdge 14th Gen R340, R440, R640, R740, R740xd, R840, R940, R940xa, R6415, R7415, R7425, XC Series appliances XC640-4, XC640-4i, XC740xd-24, XC940-24, XC6420-6 and C6620, C6420/25 Enclosure. 
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• Package content : 12x 2.5" Hard Drive Caddy. 48 x Drive Mounting Screws.1*Screwdriver