Seagate ST340014AS 40GB SATA 3.5" HDD Hard Drive Barracuda 7200RPM Internal SATA/150 7200RPM 2MB Seagate's Barracuda ATA V with Serial ATA Interface leverages the mechanics of the industry's quietest 7200 rpm desktop drive. This Barracuda ATA V offers 40GB capacities with an 8MB cache for mainstream, high-performance PCs, and entry-level servers. The product features all FDB motors, superior reliability and the next generation interfaceSerial ATA. The SATA Barracuda includes Seagate's exclusive 3D Defense System. Barracuda 7200.Capacity:40.0 GB. peed: 7200 rpm. Average Seek Time: 8.5 ms. Cylinders: 16383. Heads: 16. Sectors: 63.