Part #: 1B31PR000, 1B31PR000-600-G ^^ Compatible ModelsCompatible with Dell Precision T7600 T7610 T7910 ^^ Widely UseThe hard drive bracket not only support 3.5" hard drives ( SSD and HDD) but also support 2.5 hard drives, since it with a removable 3.5 to 2.5 hard drive adapter. ^^ Study and DurableThe SSD mounting bracket is made of ABS plastic and would not easily get out of shape. Sturdy and durable that allows for protecting your hard drive. ^^ What you get 3.5" hard drive caddy x1, 2.5" adapter x1, a 12-month warry and lifetime technical support.