DESC: The MK4019GAX offers the industry's highest areal density per platter, at 34.7 gigabits per square inch. The drive's 5400 RPM motor speed improves system-level performance by as much as 12 percent when compared to 4200 RPM drives. This new drive offers enough capacity for portable video recording and editing, with lower power consumption compared to the traditional 3.5-inch HDDs. This functionality provides ideal storage for a range of commercial and consumer notebooks, as well as non-PC applications such as PDAs, printers, copiers, GPS systems and MP3 players. The MK4019GAX is ATA-5 compliant, supporting high transfer rates of up to 100 megabytes per second.