The Fractal Design Hard Drive Tray Kit Type B is designed specifically for the Define 7 and Meshify 2 Series PC cases. It includes two black trays, designed by Fractal Design, to hold and support up to two hard drives. The kit is compatible with the brand's hardware platform and offers a sleek and functional solution for organizing and accessing your storage devices within your PC case. This product is ideal for users looking to enhance their PC setup with high-quality and durable drive bay caddies.