400G QSFP-DD LR4 Optics: Architecture, Specs and Application
LINK-PP Official Store
·
March 11, 2026
Learn how 400G QSFP-DD LR4 transceivers work, including CWDM4 wavelengths, EML lasers, key specifications, and applications in high-speed data center networks.
400G QSFP-DD LR4 Products
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H3C QSFPDD-400G-LR4-WDM1300-DC Compatible 400GBASE-LR4 QSFP-DD CWDM4 1310nm 10km Duplex LC SMF Transceiver Module $ 738.74 ~ 859.004.9 ★ 32 Reviews | 891 Sold -
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Extreme 400G-LR4-QSFPDD10KM Compatible 400GBASE-LR4 QSFP-DD CWDM4 1310nm 10km Duplex LC SMF Transceiver Module $ 738.74 ~ 859.005 ★ 31 Reviews | 1.1K Sold -
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Juniper QDD-2X400G-LR4-P Compatible 800G QSFP-DD CWDM4 1310nm 10km Dual Duplex LC SMF Transceiver Module $ 1,512.72 ~ 1,719.005 ★ 14 Reviews | 194 Sold -
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FS QDD-2LR4-800G Compatible 800G QSFP-DD CWDM4 1310nm 10km Dual Duplex LC SMF Transceiver Module $ 1,512.72 ~ 1,719.004.9 ★ 19 Reviews | 193 Sold -
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Cisco QDD-2LR4-800G Compatible 800G QSFP-DD CWDM4 1310nm 10km Dual Duplex LC SMF Transceiver Module $ 1,512.72 ~ 1,719.004.9 ★ 18 Reviews | 208 Sold -
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Arista QDD-800G-2LR4 Compatible 800G QSFP-DD CWDM4 1310nm 10km Dual Duplex LC SMF Transceiver Module $ 1,512.72 ~ 1,719.005 ★ 12 Reviews | 197 Sold -
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LINK-PP LQD-CW800-2LR4C 800G QSFP-DD CWDM4 1310nm 10km Dual Duplex LC SMF Transceiver Module $ 1,512.72 ~ 1,719.005 ★ 24 Reviews | 175 Sold -
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NVIDIA/Mellanox QDD-PLR4-400G Compatible 400G QSFP-DD 1310nm 10km MPO-12/APC SMF Transceiver Module $ 1,224.96 ~ 1,392.005 ★ 17 Reviews | 267 Sold -
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Juniper QDD-4X100G-LR Compatible 400G QSFP-DD 1310nm 10km MPO-12/APC SMF Transceiver Module $ 1,224.96 ~ 1,392.004.9 ★ 14 Reviews | 357 Sold -
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HPE Aruba S3N94A Compatible 400G QSFP-DD 1310nm 10km MPO-12/APC SMF Transceiver Module $ 1,224.96 ~ 1,392.004.9 ★ 16 Reviews | 348 Sold
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