. Are you looking for the 2.5 Hard Disk Drive (HDD) or Solid State Drive (SSD) upgrade for your existing 3.5 drive bay setup? Do you simply need a very low cost 2.5 adapter cradle for your system?. The SSD-RAIL is a very low cost and easy to install mounting assembly produced in ABS plastic to allow easy fitment of any 2.5 HDD or SSD drive into your existing 3.5 drive bay found on server workstation and desktop computers. The adapter cradle can also be used for other media types including 2.5 tape backup and media card readers also.. Dynamode understands that you might already have data and power cables for your SATA or other interface mass storage device so they do not bundle unnecessary hardware that you will not use. It is ideal for system builders and enthusiasts looking to get the most from there existing setupKey Product Info . Lightweight ABS plastic 2.5 HDD/SSD cradleIdeal for 2.5 HDD or SSD fitment into 3.5 drive baysMulti-slot design for a secure and tailored fit into any systemAdd enhanced storage potential and reduce costsIdeal for all systems desktops workstations and servers