This item has been stored unopened. A separate MO drive is also planned to be listed. If you need them as a set, please comment. 【High Reliability】 Mitsubishi MO seal media boasts high reliability and durability. It's a product you can use with confidence for data storage. 【Versatile Compatibility】 Compatible with both Windows and Macintosh, allowing use on a wide range of devices. In particular, you can choose between 230MB and 640MB capacities, allowing you to select the right one for your needs. 【Made in Japan】 High-quality, made-in-Japan design that can withstand long-term use. - Brand: MITSUBISHI - Product Name: MO Seal Media - Size: 230MB - Compatible OS: Windows, Macintosh - Capacity: 640MB - Country of Manufacture: Japan