Seagate ST3250623A-RK Barracuda 250 GB Ultra ATA/100 Internal Hard Drive 250 GB Ultra ATA/100 internal hard drive delivers high performance and powerful features 16 MB cache buffer; 7200 RPM for fast read/write times Fluid dynamic bearing motor for ultra-quiet operation Includes internal drive, interface cable, interface cable, DiscWizard installation software, SeaTools diagnostic software 5-year limited warranty covers parts and labor