Dell Ergotron ERGITD-009 30-Unit Mobile Computing Cart X9R5J 0X9R5J CN-0X9R5J.Dell Part Number: X9R5J 0X9R5J CN-0X9R5JErgotron Model Number: ERGITD-009Compatible Models: Most 14" Display Devices and Some 15.6"Includes:Cart Keys Power Cable DB-9 RS232 Connector Ethernet Switch Manual PowerConnect 3548 Ethernet Switch M725K 0M725K CN-0M725KSpecifications:Dimensions (HxWxD): 41.7 in x 25.2 in x 37 inWeight: 202.8 lbs