Deyoung 2nd Hard Drive HD SSD Caddy Adapter for Acer Aspire E15 E17 ES1-511-C50C ES1-512 ES1-512-P84G 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:Acer Aspire E15 E17 ES1-511-C50C ES1-512 ES1-512-P84G ES1-512-P1SM; Notice: Buyers need to remove their optical drive faceplate(bezel) and Bracket to re-use onto the caddy for proper working!!!