StarTech HSB1SATSASBA 5.25 to 3.5 Hard Drive Hot Swap Bay.

This removable hard drive hot-swap bay makes it easy to swap 3.5" SATA or SAS drives in and out of your server or desktop computer, using an available 5.25" front drive bay. It features a trayless design that saves you installation time and enables you to insert or remove drives as needed, creating a convenient solution for drive maintenance and interchangeability of data between multiple systems.