This is a Dell 470-AATP compatible 2.0m (6.6ft) SFF-8644 external mini-SAS HD male to male black storage cable that is used for high speed data transfer. This part is specifically made to work with Dell devices equipped with SFF-8644 ports. This storage cable features SFF-8644 to SFF-8644 connectors for connectivity between network appliances. These cables are application tested and guaranteed to work 100% of the time.