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 30 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 |
|---|---|---|---|---|
| DELL | 407-BBGL | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. Dell Networking Transceivers Optics and Cables Connectivity GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| DELL | 407-BBGN | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. Dell Networking Transceivers Optics and Cables Connectivity GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTL4C1QE3C | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. FTL4C1QE3C 40GBASE-LR4 QSFP+ Optical Transceiver ModuleReviewed 2026-08-17 | Specification matchCheck host compatibility |
| COHERENT / FINISAR | FTL4C1QW2N | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. FTL4C1QW2N 40GBASE-LR4 QSFP+ Optical Transceiver ModuleReviewed 2026-08-17 | Specification matchCheck host compatibility |
| BROCADE | 40G-QSFP-LR4 | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. Brocade Transceiver Support MatrixReviewed 2026-08-17 | Specification matchCheck host compatibility |
| BROCADE | 57-1000263-01 | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. Brocade Transceiver Support MatrixReviewed 2026-08-17 | Specification matchCheck host compatibility |
| EXTREME NETWORKS | 10320 | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. 40GE QSFP+ Optics Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| EXTREME NETWORKS | 40G-LR4-QSFP10KM | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. 40GE QSFP+ Optics Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| H3C | QSFP-40G-LR4-WDM1300 | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. H3C 40G QSFP+ Transceiver Module SpecificationsReviewed 2026-08-17 | Specification matchCheck host compatibility |
| CISCO | QSFP-4X10G-LR-S | QSFP+PSM4 | 40G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics. Pluggable Optical Modules for the Cisco ONS Family Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| ARISTA | QSFP-40G-PLR4 | QSFP+PSM4 | 40G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics. Arista Optics Modules and Cables Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | JNP-QSFP-4X10GE-LR | QSFP+PSM4 | 40G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics. JNP-QSFP-4X10GE-LR Hardware Compatibility EntryReviewed 2026-08-17 | Specification matchCheck host compatibility |
| SMARTOPTICS | SO-QSFP-LR4-PSM | QSFP+PSM4 | 40G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics. SFP+ and QSFP+ Overview Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| HUAWEI | QSFP-40G-eSM4 | QSFP+PSM4 | 40G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics. Huawei S9300 Series Switches Product BrochureReviewed 2026-08-17 | Specification matchCheck host compatibility |
| SMARTOPTICS | SO-QSFP-LR4-20 | QSFP+LR4-20 | 40G LR4 QSFP+ transceiver, 1271/1291/1311/1331 nm, 20 km over SMF, duplex LC, with digital diagnostics. SFP+ and QSFP+ Overview Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| CISCO | QSFP-40G-ER4 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Cisco 40GBASE QSFP Modules Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| ARISTA | QSFP-40G-ER4 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Arista Optics Modules and Cables Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | JNP-QSFP-40GE-ER4 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Juniper 40GBASE-ER4 Hardware Compatibility EntriesReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | 740-066424 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Juniper 40GBASE-ER4 Hardware Compatibility EntriesReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | QSFPP-40GBASE-ER4 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Juniper 40GBASE-ER4 Hardware Compatibility EntriesReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | 740-059185 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Juniper 40GBASE-ER4 Hardware Compatibility EntriesReviewed 2026-08-17 | Specification matchCheck host compatibility |
| BROCADE | 40G-QSFP-ER4 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Brocade Transceiver Support MatrixReviewed 2026-08-17 | Specification matchCheck host compatibility |
| BROCADE | 57-1000327-01 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Brocade Transceiver Support MatrixReviewed 2026-08-17 | Specification matchCheck host compatibility |
| EXTREME NETWORKS | 40G-QSFP-ER4 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Pluggable Transceivers Installation GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |
| EXTREME NETWORKS | 40G-QSFP-ER4-1 | QSFP+ER4 | 40GBASE-ER4 QSFP+ transceiver, 1310 nm CWDM band, 40 km over SMF, duplex LC, with digital diagnostics. Pluggable Transceivers Installation GuideReviewed 2026-08-17 | Specification matchCheck host compatibility |