IBM 146.8GB 10K RPM Ultra-320 SCSI 3.5" hot-swap drive (part 25R4862) for enterprise storage systems. Delivers 146.8GB capacity at 10,000 RPM with Ultra-320 SCSI interface supporting 320MB/s throughput. 3.5" form factor with hot-swap tray design enables field replacement without system downtime. Compatible with IBM enterprise servers and storage arrays from the late 1990s through mid-2000s era, including xSeries and pSeries platforms. Typical applications include SAN environments, RAID arrays, and mission-critical database servers requiring sustained performance and availability. Tested and guaranteed; available via quote.