The Cisco 10GBASE-CX4 Module supports link lengths of up to 15m on CX4 cable.
10GBASE-CX4 X2 transceiver module
The Cisco 10GBASE-CX4 Module supports link lengths of up to 15m on CX4 cable.
Cisco CBS-DEL-X2-CX4=, Copper, 10000 Mbit/s, X2, 20 m, MSA, 0 - 70 °C
Cisco CBS-DEL-X2-CX4=. SFP transceiver type: Copper, Maximum data transfer rate: 10000 Mbit/s, Interface type: X2. Certification: MSA