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Which 100G multimode duplex transceiver should I choose, QSFP-100G-SRBD or QSFP-100G-SWDM4?

TARLUZ currently offers two 100G transceivers that operate over duplex multimode fiber, QSFP-100G-SWDM4, and QSFP-100G-SRBD transceivers. Both transceivers operate at multimode fiber reach 70m over OM3 fiber and 100m over OM4 fiber and are widely deployed in the industry. QSFP-100G-SWDM4 and QSFP-100G-SRBD are using different technology, so they are not able to use each other.

QSFP-100G-SWDM4 Transceiver
TARLUZ 100G QSFP28 SWDM4 transceiver provides 100Gbps bandwidth over a standard duplex multi-mode fiber eliminating the need for expensive parallel multi-mode fiber infrastructure and offers a seamless migration path from duplex 10G/40G to 100G. It is supporting 100G QSFP28 ports from different vendors such as Cisco, Arista, Mellanox, Huawei, etc. It can be used for links up to 150m via OM5 Multimode Fiber (70m over OM3 MMF, and 100m over OM4 MMF). The SWDM4 transceiver operates at four-channel SWDM wavelengths from 850 to 940nm region at a rate of 25.78Gbps per lane.

QSFP-100G-SRBD Transceiver
TARLUZ 100G QSFP28 SRBD transceiver also provides 100Gbs bandwidth over standard duplex multi-mode fiber. each optical port on the SRBD contains both a transmitter and receiver, running at full duplex 50Gb/s over a single fiber. The two ports of the QSFP-100G-SRBD provide an aggregate of 100Gb/s of bandwidth. Like a 100G QSFP28 SWDM4 transceiver, the QSFP100G-SRBD It is supporting 100G QSFP28 ports from different vendors such as Cisco, Arista, Mellanox, Huawei, etc., and can be used for links up to 70m of OM3m or up to 100m of OM4 multi-mode fiber.

Compared with the 100G QSFP28 SR4 transceiver, both 100G QSFP28 SWDM4 and 100G QSFP28 SRBD are saving cabling cost, the following table show you a comparison of the three modules.

Transceiver Type Fiber Receptacle Type Module Cost Cabling Cost
QSFP-100G-SWDM4 2F MMF Duplex LC Medium Low
QSFP-100G-SRBD 2F MMF Duplex LC High Low
QSFP-100G-SR4 8F MMF MPO-12 Low High
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