IBM 73P8003 160 GB Internal Hard Drive - SATA/150 - 7200 rpm - 8 MB Buffer - 3.5inch . Satisfy midrange to advanced data-storage applications when you install Simple-Swap high-performance Serial ATA (SATA) hard disk drives (HDDs) into IBM eServer xSeries servers or IntelliStation workstations. Take advantage of simple-swap SATA technology with this 7200rpm HDD to speed access to stored data and improve server processor utilization and throughput.