Designed for smart storage solutions, the HP Proliant (431943-003) is an internal hard disk drive that is suitable for server/storage units. With a serial attached SCSI interface, you can transfer data at speeds of 3 Gbps, enhancing this HP internal HDD's capacity to meet substantial storage, backup, and archiving demands. As this internal hard disk drive has a 3.5-inch form factor, it can also be used in a desktop computer. The hot-plugging support enables you to replace the HP Proliant in your system with zero downtime, in case of a drive failure. This 146 GB HP internal HDD enables you to conveniently store almost all your files in it.