Deyoung 2nd Hard Drive HD SSD Caddy for DELL Latitude E5440 E5540 E6440 E6540 Swap GU90N 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: DELL Latitude E5440 E5540 E6440 E6540 Swap GU90N Notice: Buyers need to remove their optical drive faceplate(bezel) and ejector latch to re-use onto the caddy for proper working!!!