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200GBASE-2xLR4 QSFP-DD 8x25G NRZ 1310nm 10km SMF Dual CS Duplex Optical Transceiver Module
200GBASE-2xLR4 QSFP-DD 8x25G NRZ 1310nm 10km SMF Dual CS Duplex Optical Transceiver Module
200GBASE-2xLR4 QSFP-DD 8x25G NRZ 1310nm 10km SMF Dual CS Duplex Optical Transceiver Module
200GBASE-2xLR4 QSFP-DD 8x25G NRZ 1310nm 10km SMF Dual CS Duplex Optical Transceiver Module
200GBASE-2xLR4 QSFP-DD 8x25G NRZ 1310nm 10km SMF Dual CS Duplex Optical Transceiver Module
200GBASE-2xLR4 QSFP-DD 8x25G NRZ 1310nm 10km SMF Dual CS Duplex Optical Transceiver Module

Generic Compatible 200GBASE-2xLR4 QSFP-DD 8x25G NRZ 1310nm 10km SMF DOM Dual CS Duplex Optical Transceiver Module

$1,689.00

SKU: EF364D611D94
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Product Highlights

  • Maximum Power Consumption: 8W.
  • Professional Compatibility Verification and Optical Parameter Test Reports Available.
  • Compliant with QSFP-DD MSA, CMIS 4.0, and applicable IEEE 802.3bs specifications.
  • Class 1 Laser Safety, RoHS Compliant, and Lead-Free for environmentally responsible operation.
  • DDM (Digital Diagnostic Monitoring) Supported for real-time monitoring of key optical operating parameters.
  • 8x25G NRZ Retimed Electrical Interface, Supporting 200GAUI-8.
  • Supports 2x100G Breakout for Higher Port Density and Flexible Migration to 200G Network Architectures.
  • 30-Day Free Return, 1-Year Free Replacement, 3-Year Warranty, and Lifetime After-Sales Technical Support.

Generic Compatible 200GBASE-2xLR4 QSFP-DD 8x25G NRZ 1310nm 10km SMF DOM Dual CS Duplex Optical Transceiver Module

The Generic Compatible 200GBASE-2xLR4 QSFP-DD Optical Transceiver Module is a high-density, dual-channel optical connectivity solution designed for 200GbE Ethernet applications over single-mode fiber (SMF). Featuring a QSFP-DD form factor, this module integrates two independent 100GBASE-LR4 optical interfaces, enabling a single 200G host port to provide two separate 100GbE optical connections.

The module utilizes an 8-channel NRZ electrical interface, with each lane operating at 25Gb/s to support an aggregate electrical data rate of 200Gb/s. Its dual LAN-WDM optical architecture employs two independent sets of four wavelength channels, enabling simultaneous transmission of two 100GbE links over separate duplex single-mode fiber connections. Each 100G optical interface supports transmission distances of up to 10km, making the module suitable for long-reach Ethernet connectivity across data center and enterprise network infrastructures.

Equipped with dual CS duplex optical connectors, the 200G QSFP-DD 2xLR4 transceiver provides two compact optical interfaces within a single QSFP-DD module. This design supports high-density switch port deployment while allowing each 100GbE optical link to operate independently. Compatible CS-to-LC duplex single-mode fiber patch cables can be used to connect the module to standard 100G LR4 transceivers equipped with LC duplex interfaces.

The module features 8x25G NRZ retimed electrical signaling and is designed for compatible 200GAUI-8 host interfaces. Integrated DOM (Digital Optical Monitoring) functionality provides access to key optical operating parameters, helping network administrators monitor link conditions and simplify troubleshooting.

Designed in accordance with QSFP-DD MSA and CMIS 4.0 specifications, this 200GBASE-2xLR4 optical transceiver provides a flexible solution for network operators seeking to expand 100GbE connectivity, improve switch port utilization, and migrate to higher-density 200G Ethernet platforms.

Specifications

Part Number QSFP-DD-200G-2xLR4 Vendor Name SFPPlaza
Form Factor QSFP28-DD Max. Data Rate 200Gbps
Wavelength 1310nm Max. Cable Distance 10km
Connector Dual CS Duplex Media SMF
Transmitter Type DFB Receiver Type PIN
Max. Power Consumption ≤8W Protocols 200G Ethernet Compliant
DDM/DOM Supported Commercial Temperature Range 0 to 70°C (32 to 158°F)
Modulation (Electrical) 8×53.125Gb/s NRZ Modulation (Optical) Two ports 4×53.125Gb/s NRZ

Highlights

Dual 100GbE Connectivity from a Single QSFP-DD Port

The 200GBASE-2xLR4 architecture enables one QSFP-DD module to provide two independent 100GbE optical connections. This design is particularly useful for network infrastructures requiring multiple 100G links while minimizing the number of occupied switch ports.
  • Connect one 200G QSFP-DD switch port to two independent 100G LR4 endpoints.
  • Support high-density switch-to-switch and switch-to-router interconnections.
  • Improve front-panel port utilization in high-capacity Ethernet switches.
  • Simplify network expansion by consolidating two 100G optical interfaces into one module.

High-Density Dual CS Connector Design

The dual CS duplex connector configuration provides two independent optical interfaces within the compact QSFP-DD form factor. Its space-efficient connector design helps accommodate dual 100G optical connectivity in high-density switching environments without requiring two separate QSFP28 modules.

Flexible Migration from 100GbE to 200GbE Platforms

The 2x100G breakout architecture provides a practical migration path for network operators upgrading their switching infrastructure. Existing 100GbE connections can be maintained while transitioning to compatible 200G QSFP-DD switch platforms, helping reduce network redesign requirements and infrastructure upgrade complexity.

Suitable for Data Center and Campus Network Interconnections

With its long-reach single-mode fiber architecture, the module is suitable for various network deployment scenarios:
  • Data center leaf-and-spine network interconnections.
  • Switch-to-switch connections across separate equipment rooms.
  • Enterprise core and aggregation network links.
  • Inter-building fiber connections within campus networks.
  • High-density 100GbE connectivity in cloud and service provider infrastructures.

Interoperability with Existing 100G LR4 Infrastructure

The two independent 100G LR4 optical interfaces enable connectivity with compatible 100G LR4 equipment. Using suitable CS-to-LC duplex single-mode fiber patch cables, network operators can integrate the module into existing LC-based 100GbE optical infrastructures without replacing all endpoint transceivers.

Advanced Module Management with CMIS

CMIS-based module management supports standardized communication between the transceiver and compatible host equipment. Combined with DOM functionality, it helps network administrators access module operating information, monitor optical conditions, and improve maintenance efficiency in high-density switching environments.

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-DD-200G-2xLR4: Frequently Asked Questions

Q: What is the difference between CS duplex and LC duplex optical connectors?

A: CS and LC are both compact optical connector types, but CS connectors have a smaller form factor than conventional LC duplex connectors. This allows two independent duplex optical interfaces to fit within the limited space of a QSFP-DD module. The Dual CS Duplex design enables the 200G 2xLR4 transceiver to provide two separate 100G optical connections through a single module.

Q: What is the difference between 200GBASE-2xLR4 and a standard 200GBASE-LR4 transceiver?

A: A standard 200GBASE-LR4 transceiver provides a single 200GbE optical link using 4x50G PAM4 signaling. In contrast, a 200GBASE-2xLR4 QSFP-DD transceiver provides two independent 100GbE LR4 optical links, each using four 25G NRZ optical channels with LAN-WDM technology. This dual-link architecture enables one QSFP-DD module to connect two separate 100GbE endpoints.

Q: What type of fiber patch cables are required for the 200G QSFP-DD 2xLR4 transceiver?

A: The module features two CS duplex optical connectors and requires compatible single-mode fiber (SMF) patch cables. When connecting to two standard 100G LR4 transceivers with LC duplex interfaces, use two CS duplex-to-LC duplex single-mode fiber patch cables. Each cable establishes an independent 100GbE optical link. Ensure that connector polish, fiber polarity, and optical specifications are compatible at both ends.

Q: What does 2xLR4 mean in a 200G QSFP-DD optical transceiver?

A: The term 2xLR4 indicates that the module integrates two independent 100G LR4 optical interfaces within a single QSFP-DD form factor. Each optical interface uses four LAN-WDM wavelengths to transmit 100GbE data over a duplex single-mode fiber connection. This architecture allows one 200G QSFP-DD host port to support two separate 100GbE optical links when the host device supports the required 2x100G breakout configuration.

Q: What are the main applications of a 200G QSFP-DD 2xLR4 transceiver?

A: The 200G QSFP-DD 2xLR4 transceiver is primarily designed for high-density network environments requiring two independent 100GbE long-reach connections from a single 200G switch port. Typical applications include data center switch-to-switch interconnections, leaf-and-spine network architectures, enterprise network aggregation, and 100GbE infrastructure expansion. Its 10km single-mode fiber transmission capability makes it suitable for connections across different data center rooms, buildings, and campus network facilities.
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