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 |
|---|---|---|---|---|
| SMARTOPTICS | SO-QSFP28-LR4-20L | QSFP28-LR4-20 | 100G extended-reach LR4 QSFP28 transceiver, LAN-WDM 1310 nm band, 20 km over duplex single-mode fiber, LC, with digital diagnostics. Smartoptics Un-amplified Interconnect QSFP Selection GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| SMARTOPTICS | SO-QSFP28-LR4-20D | QSFP28-LR4-20 | 100G extended-reach LR4 QSFP28 transceiver, LAN-WDM 1310 nm band, 20 km over duplex single-mode fiber, LC, with digital diagnostics. Smartoptics Un-amplified Interconnect QSFP Selection GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTLC1156RDPLA | QSFP28-LR4-20 | 100G extended-reach LR4 QSFP28 transceiver, LAN-WDM 1310 nm band, 20 km over duplex single-mode fiber, LC, with digital diagnostics. Finisar Transceivers and Communication CablesReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTLC1154RDPLD | QSFP28-LR4-20 | 100G extended-reach LR4 QSFP28 transceiver, LAN-WDM 1310 nm band, 20 km over duplex single-mode fiber, LC, with digital diagnostics. Finisar Transceivers and Communication CablesReviewed 2026-08-17 | Specification matchCheck host compatibility |