SATA-3 2.5-inch optical disc

The HP 840689-001 is a DVD+/-RW SuperMulti dual-layer optical drive for reading and writing compatible discs. Its SATA-3 interface connects the drive to a computer with a matching drive bay and connection.

The unit has a 2.5-inch form factor and a 7 mm tray-load design. The distributor lists it for HP ProBook 640 G2 and HP ProBook 645 G2 notebook variants, including configurations with the DVD+/-RW drive. It can serve as a replacement drive in a supported notebook or restore access to optical media where this drive is fitted.