The?IBM 46D2516?is a 4 pack expansion kit for the IBM xSeries of servers. Designed for the IBM x3650 M2 server, this kit provides 4 ports for SAS or SATA hard drives, allowing you to expand your storage options and better meet your ever growing storage needs.?The?IBM 46D2516?has been removed from a working unit, tested for complete functionality by our expert in-house IBM Certified Technician and is ready to ship today!?Purchase with confidence, as the photos above represent the exact quality of your items, which are bundled with our?90 Day Warranty.?Thank you for choosing AltaTech for all your New and Re-marketed IT Gear!