Arista QDD-800G-2LR4 | 800G QSFP-DD Transceiver, 2x 400GBASE-LR4, 10km, 2x LC SMF

Q: What breakout configurations does the QDD-800G-2LR4 support?
A: The QDD-800G-2LR4 supports 800G to 2x 400G breakout and 800G to 4x 200G breakout services, all without requiring external optical breakout cables. This simplifies cabling in high-density data centre environments.

Q: What fibre type and reach does this transceiver support?
A: It operates over duplex single-mode fibre (SMF, G.652) and supports link distances of up to 10km, making it suitable for both campus-scale and intra-data-centre long-reach interconnects.

Q: Is the QSFP-DD form factor backwards compatible with older QSFP modules?
A: Yes. The QSFP-DD form factor is backwards compatible with 40G and 100G QSFP modules, enabling investment protection as you migrate your infrastructure to 800G.

Q: What peer devices does the QDD-800G-2LR4 interoperate with?
A: It interoperates with 400G-LR4 OSFP and QSFP-DD peers as well as 200G-LR4 QSFP modules, providing flexibility for mixed-generation network deployments.

Q: What are the primary use cases for this transceiver?
A: The QDD-800G-2LR4 is designed for data centre spine-leaf architectures, high-performance computing (HPC) clusters, and AI/ML interconnect fabrics where high-density, low-latency 800G connectivity over single-mode fibre is required.

Q: Can I purchase the Arista QDD-800G-2LR4 in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller stocking authentic Arista optics including the QDD-800G-2LR4. Contact the team for pricing, availability, and volume purchasing options.