Deyoung 2nd Hard Drive HD SSD Caddy Adapter for HP ZBook 15 17 Workstation Swap SU-208CB Add a 2nd drive to your laptop by replacing your optical drive This is universal SATA-to-SATA Optical bay Caddy Adapter Tray; This device accepts 2.5" inch 9.5mm / 7mm high or less SATA HDD / SSD. Compatible with:HP ZBook 15 17 Workstation; Notice: Buyers need to remove their optical drive faceplate(bezel) and Bracket to re-use onto the caddy for proper working!!!