HP 10GbE CX4. Ethernet interface type: 10 Gigabit, Ethernet LAN data rates: 10000 Mbit/s, Networking standards: IEEE 802.3ak. Fiber optic connector: CX4, SFP+, Fiber ethernet cabling technology: 10GBASE-CX4. Compatibility: ProCurve Switch 3400cl-48G [J4906A]; ProCurve Switch 3400cl-24G [J4905A]. Cable length: 0.5m. Dimensions (WxDxH): 114.3 x 173 x 38.1 mm, Weight: 300g