[ compatibility]: specially designed for X3850 X6, X3650, ST550, SR550, SR650 and SR850 M5.
[Improved stability]: offers improved hard disk stability to protect your data security when using 2.5 -inch -sas/ hot swap hard drives.
[Premium Build]: Made from metal and ABS materials to provide a permanent and reliable replacement shell for your serverware goods.
[Simple installation]: Contains 4 screws for easy furnishing, so that it is effortless to replace your existing hard drive shell with this extended version.
[Quality assurance]: Each tray is tested before shipping to ensure optimal performance and reliability, which calms the storage of your server memory.