HP ProCurve Switch 10-GbE X2-CX4 Transceiver J8440B An X2 form-factor transceiver with a CX4 connector that provides 10-Gigabit connectivity up to 15 m over CX4 (copper) cable. Specifications Connectivity Cabling distance (maximum) 15 m using CX4 cables, 300 m using optical media converters and multimode fiber cable Ports Duplex port full Ports 1 CX4 transceiver portEnvironmental information Operating temperature range 32 to 131ºF Operating humidity range 15 to 95% @ 149ºF (65ºC) (non-condensing)Physical information Weight 0.18 lb. Dimensions (W x D x H) 3.54 x 1.42 x 0.53 in.