HP 250 GB 2.5" Internal Hard Drive

Serial ATA NCQ Hard Drives maximize performance by providing faster data transfer speeds, better system cooling airflow, more bandwidth, more headroom for speed increases in future generations and better data integrity. Serial ATA 3.0-Gb/s Hard Drives offer data transfer rates of up to 3 Gb per second doubling your interface speed over SATA 1.5-Gb/s Hard Drives. NCQ, or Native Command Queuing, is a capability of certain Serial ATA drives that allows the hard drive to have several write or read commands outstanding at the same time, completing the commands in the order that allows for best overall throughput.