IBM 146.8GB 15K RPM Ultra-320 SCSI hard drive (part 90P1317) in 3.5-inch form factor. Delivers 15,000 RPM spindle speed with Ultra-320 SCSI connectivity supporting sustained data rates up to 320MB/s. Non-hot-swappable design for fixed installation in legacy enterprise servers and storage arrays. Compatible with IBM enterprise systems and third-party SCSI-based storage enclosures from the mid-2000s era. Typical applications include archived database storage, backup repositories, and legacy application servers where SCSI infrastructure remains in place. Drive has been tested and guaranteed; available via quote.