Hitachi Ultrastar 15K300 300GB 15K RPM hard drive (part number HUS153030VLF4E0) in 3.5-inch form factor. Features 4Gb/s Fibre Channel connectivity with 16MB cache buffer, designed for high-performance SAN and storage array environments requiring sustained sequential and random I/O. Supports both single-initiator and multi-initiator configurations typical in enterprise FC-AL and switched fabric deployments. 15,000 RPM spindle speed delivers low latency for database, transaction processing, and virtualization workloads. Compatible with legacy and modern Fibre Channel storage systems requiring 3.5-inch drive bays. Typical applications include enterprise RAID arrays, backup appliances, and mid-range SAN platforms from the 2000sā2010s era. All units tested and guaranteed, available via quote.