New HDD Hard Drive Caddy Cover + Screws for Dell Latitude E6320 E6420 E6520 Laptop P/N:077K4N 77K4NReplacement and high quality Package includes: one pcs Caddy Cover Suitable For L E6320 E6420 E6520 Laptop P/N:077K4N 77K4N Due to there are a lot different types which suitable for the same model.The better you can check the picture and model carefu..