Transceiver Connectivity Scenarios
The single port QSFP112 use is with ConnectX-7/QSFP112 network adapters and BlueField-3/QSFP112 DPUs.

The splitter DAC cables are available in:
MCP7Y10 1:2 splits (2x 400G) (4-channels x 100G-PAM4)
MCP7Y40: 1:4 splits (4x 200G) (2-channels x 100G-PAM4)
Note
Active Copper Cables (ACC) are also available for lengths of 4 and 5-meters.