Arista CAB-D-2Q-400G-3M | 400G QSFP-DD to 2x 200G QSFP DAC Breakout Cable, 3m

Q: What does the CAB-D-2Q-400G-3M breakout cable do?
A: It splits a single 400GBASE-CR8 QSFP-DD port into two independent 200GBASE-CR4 QSFP ports, enabling flexible high-density interconnects within data centre racks using a single passive copper cable.

Q: Which Arista platforms and software versions support this cable?
A: The CAB-D-2Q-400G-3M is compatible with Arista switches, servers, and host adapters that feature 400G QSFP-DD and 200G QSFP ports, provided they are running Arista EOS version 4.23.0 or later.

Q: Is this an active or passive cable, and what are the power implications?
A: It is a passive Direct Attach Copper (DAC) cable, meaning it contains no active components. This results in very low power consumption compared to active optical cables or transceivers, reducing overall rack power and cooling requirements.

Q: What is the maximum supported cable length?
A: This specific part supports a 3-metre reach, which is suited to within-rack and top-of-rack interconnects in data centre environments. Arista offers other cable lengths within the 400G QSFP-DD DAC family for different distance requirements.

Q: Can I purchase this cable in Australia from IP Trading?
A: Yes. IP Trading stocks the Arista CAB-D-2Q-400G-3M and ships across Australia. It is available for fast dispatch from iptrading.com.au, with support for B2B procurement and volume orders.

Q: What warranty does the CAB-D-2Q-400G-3M carry?
A: Arista provides a 1-Year Limited Hardware Warranty covering parts, repair, or replacement with a 10 business day turnaround. Optional Next Business Day and 4-Hour Advance Hardware Replacement support is also available for higher uptime requirements.