This HDD Caddy is specifically designed for the HP EliteBook 840 G3, 840 G4 and 850 G4 models, allowing you to add extra storage space to your laptop. Whether you need more space for your files, programs or media, this HDD Caddy provides the perfect solution for your storage needs. Best of all, this HDD Caddy is refurbished, meaning it has been carefully checked, cleaned and refurbished to function like new again. This ensures that you get a quality product that not only looks like new, but also performs like new. With refurbished products you get the same quality and functionality as a new product, but for a fraction of the price. This HDD Caddy is easy to install and requires no technical knowledge. You don't have to damage or disassemble the case of your laptop because this Caddy fits easily into the DVD drive slot. This allows you to quickly and easily add extra storage space to your laptop without too much hassle. Whether you're a professional, student or just a tech enthusiast, this HDD Caddy is a must-have accessory for your HP EliteBook laptop. With the extra storage space this Caddy provides, you can keep all your files safe and organized without having to worry about running out of space. In short, this refurbished HDD Caddy for the HP EliteBook 840 G3, 840 G4 and 850 G4 is the perfect addition to your laptop accessories. Add extra storage space to your laptop today and enjoy an improved user experience.