400G QSFP-DD DAC enables high-bandwidth 400G links and supports 400G Ethernet rate. It is high-speed, cost-effective alternatives to fiber optics in 400G Ethernet applications. The 400G QSFP-DD DAC cable contains 16 high-speed copper pairs, each operating at data rates of up to 53Gb/s, which are suitable for very short links and offer a cost-effective and power-efficient way to establish a 400-Gigabit link between QSFP-400G ports of switches/routers within racks and across adjacent racks.
The 400G OSFP AOC is a 400 Gb/s parallel active optical cable, which transmits parallel 8×50 Gb/s PAM4 signals over multi-mode fiber (MMF) OM3 cables up to 100m.
Product List
| Model | Form Factor | Max Date Rate（Gb/s） | Passive/Active | Cable Length | Wire AWG | Download |
| VC-400GQDD-CP0.5M | QSFP-DD to QSFP-DD | 400G | Passive | 0.5 | 30 | |
| VC-400GQDD-CP1M | QSFP-DD to QSFP-DD | 400G | Passive | 1 | 30 | |
| VC-400GQDD-CP1.5M | QSFP-DD to QSFP-DD | 400G | Passive | 1.5 | 30 | |
| VC-400GQDD-CP2M | QSFP-DD to QSFP-DD | 400G | Passive | 2 | 30 | |
| VC-400GQDD-CP2.5M | QSFP-DD to QSFP-DD | 400G | Passive | 2.5 | 30 | |
| VC-400GQDD-CP3M | QSFP-DD to QSFP-DD | 400G | Passive | 3 | 30 |
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