ST3515 Optibay 3.5in Tray-less Hard Driver Rack Hot swap locking Hdd EnclosureUS $16.60 / piece ST2514 2.5in Anti-vibration SATA Tray-less to 3.5in Floppy Drive Bay Hot Swap Hdd Enclosure US $16.70 / piece ST2520 Aluminum 2x2.5in SATA Tray-less Drive Enclosure Hot swap Hdd Mobile Rack for 3.5in Floppy BayUS $23.20 / piece ST2525AB Dual Bay 2.5in SATA Hot swap SSD Enclosure 3.5in Floppy Drive Tray-less Hdd Mobile RackUS $25.30 / piece ST2541 4x2.5in Optibay SATA Removable Hard Drive Rack Aluminum 5.25in Hdd EnclosureUS $45.00 / piece ST2522 2.5in Dual Bay SATA Hot Swap SSD Hdd Mobile Rack for 3.5in Floppy Drive EnclosureUS $21.50 / piece ST2542U2 4x 2.5"Aluminum SATA/SAS SSD HDD Enclosure Backplane Mobile Rack Removable Tray for 5.25"Device BayUS $53.30 / piece ST3530B 3x3.5in SATA SAS Tray-less Internal Hot Swap Hdd Enclosure for 2 external 5.25"drive bayUS $59.83 / piece