DY-tech 2nd Hard Drive HD SSD Caddy Adapter for Acer Aspire E14 E15 E17 ES1-511-C50C ES1-512-P84G E5-411G E5-575G E5-771G Add the 2nd drive to your laptop by replacing your optical drive; Notice: Universal SATA-to-SATA Optical bay Caddy Adapter Tray; Need to remove buyer's optical drive faceplate and mounting bracket / ejector latch to re-use onto the caddy for proper working! This device accepts 2.5" inch 9.5mm / 7mm high or less SATA HDD / SSD; Compatible with: for Acer Aspire E14 E15 E17 ES1-511-C50C ES1-512-P84G E5-411G E5-575G E5-771G; Notice: Buyers need to remove their optical drive Front Panel(bezel) and Mounting Bracket to re-use onto the caddy for perfect match!!!