The GLOBALfiber Q40G-DAC is a 40G passive direct attach copper (DAC) twinax cable for 40G switch links and supported storage-network connections. The integrated copper assembly is available in selectable lengths from 0.5 to 7 metres for short connections within racks or between nearby equipment.
Available coding and compatibility
Coding options: Arista, Cisco, Custom, Dell, Extreme, Fortinet, Generic, HP, Huawei, Juniper, 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 |
Q40G-DAC |
| Cable type |
Passive direct attach copper (DAC), twinax |
| Capacity |
40 Gbps |
| Applications |
40G Ethernet; 2G/4G/8G/10G Fibre Channel, subject to host support |
| Power dissipation |
<2 W |
| Cable length |
0.5, 1, 2, 3, 5, 7 m; select the required length |
| Connector configuration |
QSFP+ to QSFP+ |
Installation requirements
Confirm 40G passive DAC support and the selected cable length on both host ports before ordering. Allow adequate routing space and follow the bend limits for the selected cable variant.