The Hewlett Packard BD036863AC hard drive is a 3.5" series internal hard disk drive with a storage capacity of 36.4GB and a high speed of 10K RPM. It utilizes the Ultra-320 SCSI interface for efficient data transfer and storage. This hard drive is designed for use in computers, servers, and networking systems, offering reliable performance and durability. With the trusted Hewlett Packard brand name, customers can expect excellent quality and performance from this hard drive solution.