Seagate ST3300622AS-RK Barracuda 300 GB SATA NCQ Internal Hard Drive 300 GB SATA NCQ internal hard drive features SATA with 3 Gbps and Native Command Queuing 16 MB cache buffer; 7200 RPM for fast read/write times Whisper-quiet with a 2.5 bels idle and 2.8 bels seek acoustics Includes internal drive, interface cable, serial ATA power cable, DiscWizard installation software. 5-year limited warranty