This Sony SMO-F561 is a 9.1GB SCSI Internal MO Drive that comes with available media. Its form factor is 5.25", and it is designed to be used as a storage unit; this drive has a SCSI interface but will be recognized via USB using a RATOC to SCSI Converter. Made in Japan, this drive is perfect for those looking for reliable storage for their computers or other devices.Designed to meet the needs of multimedia and network applications, the latest 14x Magneto Optical (MO) drive from Sony can handle an incredible 9.1GB of data and provide exceptionally fast access to information, making it the number one choice for PCs, workstations and servers requiring the backup and archive of multiple gigabytes of data.Evolving naturally from previous generations of MO, the latest 14x products incorporate advanced MSR (magnetically-induced super resolution)) technology and Land & Groove Recording to dramatically increase disk capacity. Furthermore, 5th generation MO is extremely fast with a rapid seek times generating near hard drive performance.It's also the most reliable optical storage format on the planet. Which keeps your data safe without limiting swift access to your files.Whether you're working on a personal project or running a business, this Sony MO Drive is a great choice. This drive provides reliable storage and privacy when data disks are removed and stored in a secure location.