Feature:1. Applicability: The server hard disk tray is suitable for 2.5in SAS / SATA hot swap hard disks.2. Applicable Models: For Lenovo IBM X3850 X6 X3650 ST550 SR550 SR650 SR850 M5.3. More Stable: Improve hard disk stability and protect your data security. This is for 2.5in SFF, not 3.5in LFF. 4 screws are attached to each tray.4. High Quality: Brand new replacement server hard drive, tested before shipping.5. Material: Silver Black 2.5in HDD Tray Replacement, Made of High Quality Metal and ABS, Durable.Specification:Item Type: Hard Drive TrayMaterial: Metal, ABSModel: 00E7600Color: Silver BlackSize: 2.5 InchesHard Disk Interface: SAS / SATA (Universal)Applicable Models: for Lenovo IBM X3850 X6 X3650 ST550 SR550 SR650 SR850 M5.Package List:1 x Hard Disk Tray4 x Screw