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100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module
100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module

Generic Compatible 100GBASE-LX4 QSFP28 4x25G NRZ 1310nm 100m/2km MMF/SMF DOM LC Duplex Optical Transceiver Module

$289.00

SKU: 27fc646284b5
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Product Highlights

  • Maximum Power Consumption: 4W.
  • Professional Compatibility Testing and Optical Parameter Test Reports Available.
  • Hot-Pluggable QSFP28 Form Factor; Compliance with Applicable MSA and IEEE 802.3 Standards Should Be Verified Against the Product Datasheet.
  • Class 1 Laser Safety and RoHS Compliance (Lead-Free).
  • DDM (Digital Diagnostic Monitoring) Supported for Monitoring Key Operating Parameters.
  • Transmission Distance: Up to 2km over Single-Mode Fiber (SMF); Multimode Fiber (MMF) Reach Depends on the Supported Fiber Grade and Product Specifications.
  • 4-Channel Electrical Interface Supporting 25.78125 Gbit/s per Lane (CAUI-4).
  • 30-Day Free Returns, 1-Year Free Replacement, 3-Year Warranty, and Lifetime After-Sales Technical Support.

QSFP-100G-LX4 100G QSFP28 CWDM Optical Transceiver with Duplex LC Interface

The QSFP-100G-LX4 is a 100G QSFP28 optical transceiver designed for high-speed data transmission in data centers, enterprise networks, and compatible fiber-optic infrastructure. Using four optical channels and CWDM wavelength technology, it supports an aggregate data rate of 100Gb/s while providing a duplex LC optical interface for convenient fiber connectivity.

The QSFP-100G-LX4 is designed for links of up to 2km over compatible single-mode fiber, subject to the module’s specifications and link conditions. Certain implementations may also support multimode fiber, allowing network operators to evaluate potential fiber reuse when upgrading existing infrastructure. Multimode reach depends on the supported fiber grade and the specific module design, so the product datasheet should be checked before deployment.

With a maximum power consumption of 4W, a hot-pluggable QSFP28 form factor, and a four-lane 25.78125 Gbit/s electrical interface (CAUI-4), the module is suitable for compatible 100G switching and routing platforms. DDM support enables monitoring of key operating parameters, including temperature, supply voltage, and optical power, helping simplify maintenance and troubleshooting.

SFPPlaza provides professional compatibility testing and optical parameter test reports to help customers assess module performance and interoperability. The product is backed by a 30-day free return policy, 1-year free replacement, a 3-year warranty, and lifetime after-sales technical support.

Before ordering, confirm the module’s wavelength plan, fiber type, supported transmission distance, and host compatibility against the product datasheet.

Specifications

Part Number QSFP-100G-LX4 Vendor Name SFPPlaza
Form Factor QSFP28 Max. Data Rate 100Gbps
Wavelength 1310nm Max. Cable Distance 2km (SMF)/100m (OM3) MMF
Connector Duplex LC Media SMF/MMF
Transmitter Type DFB Receiver Type PIN
Max. Power Consumption ≤4W Protocols 100G Ethernet Compliant
DDM/DOM Supported Commercial Temperature Range 0 to 70°C (32 to 158°F)
Modulation (Electrical) 4×25.78Gb/s NRZ Modulation (Optical) 4×25.78Gb/s NRZ

Highlights

100% Compatibility Validated for Arista, NVIDIA, Cisco & Broadcom RoCE Networks

SFPPlaza optical transceivers, AOCs, and DACs undergo rigorous compatibility and interoperability testing with leading RoCE networking platforms, including Arista 7060XE7 and 7060X6 Series data center switches, NVIDIA Spectrum-4 SN5000 Series switches, Cisco N9100 and Nexus 9364E-SG2 Series switches, and Broadcom BCM57708 and BCM957608 NICs. Designed for high-performance RoCE and AI data center networks, our connectivity solutions deliver reliable high-speed data transmission, stable link performance, and seamless integration across demanding network environments.

NVIDIA/Mellanox (Ethernet) 920-9N42F-00RI-3C1, MSN4700-WS2FC, 900-9X81E-00EX-ST0, MCX75310AAS-NEAT, B3240, MCX623105AC-VDAT
Arista 7060XE7-128PE, 7060X6-64PE, 720R4-128PE, 7060DX5-32, 7050DX4-32S, 7280DR3A-54
Juniper QFX5240-64QD, QFX5700, QFX5220-32CD, QFX5120-48T, QFX5110-32Q
Cisco N9164E-NS4-O, N9364E-SG2-Q, Nexus 9364D-GX2A, Nexus 9504, 8501-SYS-MT, Nexus 3432D-S, N9K-X9400-16W（200G）
Broadcom P1800GO, BCM957608-P1400GDF00, BCM957508-N1200G
HUAWEI CE9875-64EO, CloudEngine 16804, CloudEngine 9865-4C, CloudEngine S6780-H4Z, CloudEngine 6885-48YS8CQ-T
H3C S9827-64EP, S9857-24DH8EP, S9855-32D, S9820-8C
Nokia 7220 IXR-H5-32D, 7220 IXR-H2

Questions & Answers

QSFP-100G-LX4: Frequently Asked Questions

Q: What modulation scheme does the QSFP-100G-LX4 use?

A: The QSFP-100G-LX4 typically uses four 25Gb/s NRZ lanes on the electrical interface and four optical wavelengths, each carrying 25Gb/s, to achieve an aggregate data rate of 100Gb/s. Confirm the optical signaling and lane specifications against the product datasheet.

Q: What are the key technical features of the QSFP-100G-LX4?

A: The QSFP-100G-LX4 is a 100G QSFP28 optical transceiver designed to support four optical channels using CWDM wavelengths, commonly around 1271nm, 1291nm, 1311nm, and 1331nm. It typically features a duplex LC interface and is designed for compatible single-mode fiber applications. Some LX4 implementations are also specified for multimode fiber, but supported fiber types and reach must be confirmed in the specific product datasheet.

Q: What are the advantages of the QSFP-100G-LX4?

A: The QSFP-100G-LX4 combines 100G connectivity with a duplex LC interface, which can simplify cabling compared with parallel-fiber solutions that require MPO/MTP connectors. Where the module is compatible with the installed fiber plant, it may help organizations upgrade network links while reusing existing duplex fiber cabling. Verify the fiber type, optical budget, link distance, and equipment compatibility before deployment.

Q: What is the maximum transmission distance of the QSFP-100G-LX4?

A: The QSFP-100G-LX4 can support distances of up to 2km over compatible single-mode fiber, according to the stated product specifications. Multimode reach varies by fiber grade and module implementation; the exact supported distance over OM3 or OM4 fiber should be confirmed in the product datasheet before installation.

Q: Does the QSFP-100G-LX4 support DDM?

A: Yes, the QSFP-100G-LX4 supports Digital Diagnostic Monitoring (DDM), allowing users to monitor supported operating parameters such as module temperature, supply voltage, and transmit and receive optical power. The availability and accuracy of individual readings depend on the module implementation and host device.
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