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Arista QDD-400G-XDR4 400G QSFP-DD XDR4 Optical Transceiver (Used) is listed on SwitchInfra as a optical transceiver for Ethernet/RoCE Networking. Buyers can evaluate specifications, deployment fit, availability, and quote readiness before procurement.
optics buyers comparing form factor, data rate, wavelength, reach, host compatibility, and link budget.
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| Form Factor | QSFP-DD |
|---|---|
| Wavelength | 1310 nm band |
| Connector | MPO-12 APC |
| Media | Parallel single-mode fiber |
| Brand | Arista |
| Model | QDD-400G-XDR4 |
| Reach | up to 2 km over parallel single-mode fiber |
| Condition | Used |
| Data Rate | 400G; supports 4x100G breakout |
| Part Number | QDD-400G-XDR4 |
| Optical Standard | 400G-XDR4 / 4x100GBASE-FR |
Arista QDD-400G-XDR4 is an optical module with specifications verified against an official exact part-number source. Host platform, firmware, cabling, FEC, condition, and warranty still require order-level confirmation.