TurnRaise 2.5 Inch Hard Drive Caddy for Lenovo Thinkserver TD350 RD350 RD450 RD550 RD650 TD450 Plugs and plays and is hot-swappable. Ideally for data backup. LED power indicator. Support MS Windows Vista, XP, 2000, OS Brand new 2.5'' HDD tray with 4 screws This tray will accept any 2.5" x 1.0" SAS / SATA hard drive.