This 3.5\" hard drive tray caddy is compatible with Promise / Symantec\'s VTrak E830, E630, J630, JX30, EX30, and EB16 models. The caddy is designed to hold a 3.5\" in drive and is ideal for those looking to expand their storage space. Made with high-quality materials, this caddy is durable and reliable.It is perfect for those who need to replace their current caddy or want to have a spare one on hand. The caddy is easy to install and use, making it a great option for both tech-savvy individuals and those who are less experienced. With this caddy, you can ensure that your hard drive is securely in place and protected from damage.