Brand New Universal 12.7mm Sata to Sata 2nd HDD HARD DISK DRIVE caddy for Acer Aspire 5749 5749z NEW This SATA Hard Drive Caddy/Adapter/Bay fits following laptops: Acer Aspire 5749 5749z. SATA 2ND Hard Disk Drive HDD caddy/adapter for any other Dell Laptop that uses 12.7mm height DVD dirve with SATA connector to the motherboard. It work with SATA Hard drive, and SSD (Solid State Drive) as well. This item is come with a hdd caddy and a Universal faceplate,some laptops need to use the original dvd drive's bracket,and you can remove the faceplate to the caddy. HDD Interface: SATA Machine interface: SATA 1. Fast & Reliable connection, just as the primary HDD 2. Fully integrated into laptop, no cables/PSU/software driver needed 3. Dual boot, Support installation of 2nd operating system on the 2nd HDD and boot selection.