The GLOBALfiber O400G-DAC is a 400G passive direct attach copper (DAC) twinax cable for short 400G links between equipment with flat-top OSFP ports. The integrated copper assembly is available in selectable lengths from 0.5 to 2 metres for short connections within racks or between nearby equipment.
Available coding and compatibility
Coding options: Generic, NVIDIA-Mellanox(ETH).
Provide the equipment model, port configuration and software version for each connected device so that support can be checked. For other coding requirements, contact salg@globalfiber.no.
Key specifications
| Specification |
Details |
| Product number |
O400G-DAC |
| Cable type |
Passive direct attach copper (DAC), twinax |
| Capacity |
400 Gbps |
| Applications |
400G Ethernet |
| Power dissipation |
0.1 W |
| Cable length |
0.5, 1, 1.5, 2 m; select the required length |
| Connector configuration |
OSFP flat top to OSFP flat top |
Installation requirements
Confirm 400G passive DAC support and the selected cable length on both host ports before ordering. Check that each OSFP cage and cooling arrangement accepts the specified flat-top connectors.