Seagate Barracuda 7200.8 SATA NCQ 300 GB Internal Hard Drive (ST3300831AS-RK) Best combination of performance, acoustics, and robustness in multiple high capacities 7200 RPM SoftSonic motor delivers whisper-quiet acoustics and high reliability Single-chip Serial ATA interface with Native Command Queuing (NCQ) NCQ technology enhances system performance and reliability while also making system integration easier Proven, reliable design