IBM 900GB 10K RPM SAS hard drive (part no. 81Y9655) in 2.5-inch small form factor with 6Gb/s connectivity. Designed for enterprise storage systems and server environments requiring high-speed, hot-swappable disk capacity. Simple-swap tray mechanism enables rapid field replacement without system downtime. Typical applications include SAN arrays, RAID configurations, and mid-range server storage expansion. Compatible with IBM System x and compatible enterprise platforms supporting 2.5-inch SAS drives. Delivers 10,000 RPM spindle speed for performance-sensitive workloads. Tested and guaranteed; available via quote.