Model selection
Compare original part-number references.
Use optical specifications to form a shortlist, then confirm your device, firmware and coding requirements.4 references · Page 1 of 1
A specification match is not a host validation result. Multiple matching models remain marked for review.
| Brand | Original part number | Model reference | Optical specification reference | Next step |
|---|---|---|---|---|
| CISCO | QDD-4X100G-LR-S | QDD-400G-PLR4 | 400G-PLR4 QSFP-DD transceiver, four parallel 100GBASE-LR optical lanes at 1310 nm, 10 km over single-mode fiber, MPO-12, with digital diagnostics. Cisco 400G QSFP-DD Cable and Transceiver Modules Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| ARISTA | QDD-400G-PLR4 | QDD-400G-PLR4 | 400G-PLR4 QSFP-DD transceiver, four parallel 100GBASE-LR optical lanes at 1310 nm, 10 km over single-mode fiber, MPO-12, with digital diagnostics. Arista Transceiver and Cable GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | QDD-4X100G-LR | QDD-400G-PLR4 | 400G-PLR4 QSFP-DD transceiver, four parallel 100GBASE-LR optical lanes at 1310 nm, 10 km over single-mode fiber, MPO-12, with digital diagnostics. Juniper 400G QSFP-DD Hardware CompatibilityReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | 740-089468 | QDD-400G-PLR4 | 400G-PLR4 QSFP-DD transceiver, four parallel 100GBASE-LR optical lanes at 1310 nm, 10 km over single-mode fiber, MPO-12, with digital diagnostics. Juniper 400G QSFP-DD Hardware CompatibilityReviewed 2026-08-17 | Specification matchCheck host compatibility |