Model selection
Compare original part-number references.
Use optical specifications to form a shortlist, then confirm your device, firmware and coding requirements.1806 references · Page 39 of 73
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-400G-FR4-S | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. Cisco 400G QSFP-DD Cable and Transceiver Modules Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| ARISTA | QDD-400G-FR4 | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. Arista Transceiver and Cable GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | QDD-400G-FR4 | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. Juniper 400G QSFP-DD Hardware CompatibilityReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | 740-085349 | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. Juniper 400G QSFP-DD Hardware CompatibilityReviewed 2026-08-17 | Specification matchCheck host compatibility |
| SMARTOPTICS | SO-QSFP-DD-4C-FR4-4 | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. QSFP-DD 400G-FR4 SM 13xxnm 2km CMIS4 LCReviewed 2026-08-17 | Specification matchCheck host compatibility |
| H3C | QSFPDD-400G-FR4-WDM1300 | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. H3C 400G Optical Transceiver SeriesReviewed 2026-08-17 | Specification matchCheck host compatibility |
| HP | R8M64A | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. HPE Networking Transceiver Options QuickSpecsReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTCD4313E3PCL | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. 400G-FR4 Gen 3 QSFP-DD Optical TransceiverReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTCD4313E2PCL | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. Pluggable Finisar Transceivers for the Data CenterReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTCD4313E1PCL | QDD-400G-FR4 | 400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics. Pluggable Finisar Transceivers for the Data CenterReviewed 2026-08-17 | Specification matchCheck host compatibility |
| CISCO | QDD-400G-LR4-S | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Cisco 400G QSFP-DD Cable and Transceiver Modules Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| ARISTA | QDD-400G-LR4 | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Arista Transceiver and Cable GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | QDD-400G-LR4-10 | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Juniper 400G QSFP-DD Hardware CompatibilityReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | 740-096176 | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Juniper 400G QSFP-DD Hardware CompatibilityReviewed 2026-08-17 | Specification matchCheck host compatibility |
| SMARTOPTICS | SO-QSFP-DD-4C-LR4-4 | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Smartoptics QSFP-DD 400G-LR4 PortfolioReviewed 2026-08-17 | Specification matchCheck host compatibility |
| SMARTOPTICS | SO-QSFP-DD-4C-LR4 | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Smartoptics QSFP-DD 400G-LR4 PortfolioReviewed 2026-08-17 | Specification matchCheck host compatibility |
| H3C | QSFPDD-400G-LR4-WDM1300-DC | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. H3C 400G Optical Transceiver SeriesReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTCD4323E3PCL | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. 400GBASE-LR4 10km QSFP-DD Finisar TransceiverReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTCD4323E2PCL | QDD-400G-LR4 | 400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Pluggable Finisar Transceivers for the Data CenterReviewed 2026-08-17 | Specification matchCheck host compatibility |
| CISCO | QDD-400G-LR8-S | QDD-400G-LR8 | 400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Cisco 400G QSFP-DD Cable and Transceiver Modules Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| ARISTA | QDD-400G-LR8 | QDD-400G-LR8 | 400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Arista Transceiver and Cable GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | QDD-400G-LR8 | QDD-400G-LR8 | 400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Juniper 400G QSFP-DD Hardware CompatibilityReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | 740-082823 | QDD-400G-LR8 | 400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Juniper 400G QSFP-DD Hardware CompatibilityReviewed 2026-08-17 | Specification matchCheck host compatibility |
| H3C | QSFPDD-400G-LR8-WDM1300 | QDD-400G-LR8 | 400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. H3C 400G Optical Transceiver SeriesReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTCD1323E1PCL | QDD-400G-LR8 | 400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics. Pluggable Finisar Transceivers for the Data CenterReviewed 2026-08-17 | Specification matchCheck host compatibility |