• Number of Solid State Drive Installed: No
• Number of Solid State Drive Supported: 2
• Number of Hard Drives Installed: No
• Number of Hard Drives Supported: 2
• Number of Total Expansion Bays: 3
The ICY DOCK ExpressCage MB732SPO-B lets you use your 5.25" bay to its fullest extent by installing two hot-swappable 2.5" HDD / SSD bays, and a CD-ROM/DVD/Blu-Ray disc reader bay. To maximize compatibility, the disc reader bay can be used with either a slim (12.7mm) or ultra-slim (9.5mm) disc reader using an included multi-purpose spacer. Additionally, the innovative tray design expands compatibility to all 2.5" HDDs and SSDs, up to 15mm in height, and uses built-in pegs in place of screws for easy 100% tool-less installation. Full-metal chassis with plenty of ventilation holes keeps your drives safe from environmental damage and overheating issues. The ExpressCage MB732SPO-B is perfect in systems needing to maximize their space efficiency; Small-form factor systems, Home-Theater PCs with media collections on drives and discs, and photo/video editors working with traditionally stored files and files stored on DVDs and Blu-Rays. Maximize Space Efficiency The ExpressCage MB732SPO