The Toshiba 80 GB ATA-100 internal hard drive is configured for use in laptop computers with storage of 80 GB for media and data. This laptop computer hard drive has an IDE/EIDE DMA/ATA-100 (Ultra) interface for efficient functioning and a tough 1.8 inch HDD form factor for durability. With a spindle speed of 4200 RPM for faster operation and efficient Average Latency and Seek Time for quick data location, the Toshiba 80 GB ATA-100 is best suited for laptops. This internal hard drive has a high External and Low Internal Transfer Rate for swift device to system data transfer. The Toshiba 80 GB ATA-100 laptop computer hard drive has 2MB buffer capacity for making frequently used data easily available.