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400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module
400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module

Generic Compatible 400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module

$409.00

SKU: bb9825828c64-3
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Product Highlights

  • Integrated Broadcom DSP and Broadcom VCSEL Technology, with Maximum Power Consumption of ≤9W.
  • Professional Compatibility Testing and Detailed Parameter Test Reports Available.
  • Hot-Pluggable QSFP112 Form Factor, Compliant with QSFP112 MSA, IEEE 802.3db, and CMIS 4.0 Specifications.
  • Class 1 Laser Product, Compliant with RoHS Environmental Standards and Lead-Free Requirements.
  • Digital Diagnostic Monitoring (DDM) Supported for Real-Time Operating Parameter Monitoring.
  • Designed for AI Data Centers (AIDC), High-Performance Computing (HPC), and Data Center Networks (DCN).
  • Enhances Network Flexibility, Cost Efficiency, and Operational Reliability.
  • 30-Day Free Returns, 1-Year Free Replacement, 3-Year Warranty, and Lifetime After-Sales Technical Support.

Generic Compatible Broadcom DSP & Broadcom VCSEL 400GBASE-SR4 QSFP112 PAM4 850nm 100m MTP/MPO-12 APC Optical Transceiver Module

SFPPlaza Q112-400G-SR4 Compatible optical transceiver is a high-performance 400G QSFP112 SR4 multimode optical module designed for high-speed 400G Ethernet connectivity. Featuring a QSFP112 form factor and an MPO-12/APC optical connector, it uses four 100G PAM4 optical lanes to deliver an aggregate data rate of 400Gbps. The module supports transmission distances of up to 100 meters over OM4 multimode fiber, making it suitable for short-reach, high-bandwidth interconnects in data centers and high-performance computing environments.

The 400G QSFP112 SR4 optical transceiver is designed for AI data centers (AIDC), high-performance computing (HPC), and data center networks (DCN). It can be deployed with compatible NVIDIA BlueField-3 DPUs or ConnectX-7 network adapters equipped with supported QSFP112 400G ports. For 800G-to-400G connectivity, it can connect to one of the 400G interfaces in a compatible dual-port 800G OSFP 2x400G solution using a suitable multimode fiber link. This makes it a practical solution for scalable, high-density network architectures supporting AI workloads and other bandwidth-intensive applications.

Specifications

Part Number QSFP112-400G-SR4 Vendor Name SFPPlaza
Form Factor QSFP112 Max. Data Rate 400Gbps
Wavelength 850nm Max. Cable Distance 100m
Connector MTP/MPO-12 APC Media MMF
Transmitter Type VCSEL Receiver Type PIN
Max. Power Consumption ≤9W Protocols 400G Ethernet Compliant
DDM/DOM Supported Commercial Temperature Range 0 to 70°C (32 to 158°F)
Modulation (Electrical) 4×106.25Gb/s PAM4 Modulation (Optical) 4×106.25Gb/s PAM4

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

QSFP112-400G-SR4: Frequently Asked Questions

Q: What is the maximum transmission distance of the QSFP112-400G-SR4 optical transceiver?

A: The QSFP112-400G-SR4 supports transmission distances of up to 50 meters over OM4 multimode fiber, depending on the module specifications and link configuration.

Q: What are the typical connectivity applications for the QSFP112-400G-SR4?

A: The QSFP112-400G-SR4 is designed for 400G short-reach multimode fiber connections. It can be used with compatible ConnectX-7 network adapters or BlueField-3 DPUs featuring QSFP112 400G ports. For 800G-to-400G connectivity, it may connect to a compatible OSFP-800G-2xSR4 module on an 800G switch through an appropriate multimode fiber link, subject to port support and optical interface compatibility.

Q: What is the difference between QSFP112-400G-SR4 and QSFP-DD-400G-SR4?

A: Both modules provide 400G SR4 multimode optical connectivity and typically use an MPO-12 optical interface. The primary difference is the electrical interface architecture: QSFP112-400G-SR4 uses four 100G PAM4 electrical lanes, while QSFP-DD-400G-SR4 typically uses eight 50G PAM4 electrical lanes. Although their optical interfaces may be similar, the modules use different form factors and electrical interfaces, so host port compatibility must be verified.

Q: Are QSFP112 modules backward compatible with legacy QSFP ports?

A: QSFP112 modules are not automatically backward compatible with legacy QSFP ports. Compatibility with 40G, 100G, or 200G modules and cables depends on the host port design, supported data rates, electrical interface, and platform configuration. Always check the equipment manufacturer’s compatibility documentation before deployment.

Q: Can a QSFP112-400G-SR4 module be installed in an OSFP port?

A: No. QSFP112 and OSFP are different physical form factors, so a QSFP112-400G-SR4 module cannot be directly installed in an OSFP port. For connectivity between QSFP112 and OSFP equipment, use compatible transceivers at each end and an optical fiber link that matches the required specifications.
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