This Western Digital Scorpio Blue 160GB internal drive is designed for laptops, with a 2.5 inch form factor and compatibility with both SAS and SATA II interfaces. It has a rotation speed of 5400 RPM and a cache of 8MB, allowing for read speeds of up to 500MB/s and a transfer rate of 300Mbps. The drive is shock-resistant and supports HDD storage format only. It has a height of 0.37in and width of 2.75in, making it a compact and efficient storage solution. Use it to store and access your files quickly and securely, without worrying about the condition of the drive.