Model selection
Compare original part-number references.
Use optical specifications to form a shortlist, then confirm your device, firmware and coding requirements.19 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 | QSFP-40G-LR4-S | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. Cisco 40GBASE QSFP Modules Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| CISCO | QSFP-40G-LR4 | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. Cisco 40GBASE QSFP Modules Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| ARISTA | QSFP-40G-LR4 | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. Arista Transceiver and Cable Data SheetReviewed 2026-08-17 | Specification matchCheck host compatibility |
| HP | JH232A | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. QSFP+ LC Optical Transceiver Module SpecificationsReviewed 2026-08-17 | Specification matchCheck host compatibility |
| HP | JG661A | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. HPE Comware-Based Devices Transceiver Modules User Guide (40G)Reviewed 2026-08-17 | Specification matchCheck host compatibility |
| HP | JQ075A | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. QSFP+ LC Optical Transceiver Module SpecificationsReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | JNP-QSFP-40G-LR4 | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. JNP-QSFP-40G-LR4 Hardware Compatibility Tool EntryReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | QSFPP-40G-LR4-C | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. QSFPP-40G-LR4-C Hardware Compatibility Tool EntryReviewed 2026-08-17 | Specification matchCheck host compatibility |
| JUNIPER | QSFPP-40GBASE-LR4 | QSFP+LR4 | 40GBASE-LR4 QSFP+ transceiver, 1310 nm CWDM band, 10 km over single-mode fiber, duplex LC, with digital diagnostics. QSFPP-40GBASE-LR4 Hardware Compatibility Tool EntryReviewed 2026-08-17 | Specification matchCheck host compatibility |
| DELL | F8CG0 | 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-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 |