Dell Q56-200G-SR4 Compatible 200G QSFP56 SR4 Optical Transceiver Module | HYTOPTODEVICE

Product Detail：
HYTOPTODEVICE 200G QSFP56 Module | Dell Compatible 200GBASE-SR4 Optical Transceiver Module(MMF, 850nm,100m, MPO-12, DOM)

      The Q56-200G-SR4 is a high-performance Dell compatible 200G QSFP56 optical module,designed for 200GBASE Ethernet throughput over MTP/MPO-12 connectors using OM4 multimode fibre (MMF),reach up to 100m.  Operating over a wavelength of 850nm, this 200G QSFP56 module integrates 4 parallel independent electrical lanes utilizing advanced 4x 50Gbps PAM4 (Pulse Amplitude Modulation 4-Level) technology to achieve an aggregate throughput of 200Gbps. This module delivers high-bandwidth, energy-efficient performance with short reach. making it the ideal choice for next-generation AI data centers and High-Performance Computing (HPC) clusters.Fully compliant with IEEE 802.3bs, QSFP56 MSA, SFF-8665, SFF-8636 and SFF-8679 standards,real-time Digital Optical Monitoring (DOM) supported. 

Full Compatibility List and Supported Devices of  Dell 200G Transceiver
HYTOPTODEVICE 200G QSFP56 module is encoded to ensure native initialization, full configuration support, and telemetry mapping on Dell systems:

• Dell PowerSwitch S-Series (Data Center Leaf/Top-of-Rack):

  • S5232F-ON (Features 32x 100GbE ports that support 200G breakout/multi-rate configurations depending on line code configurations)

  • S5248F-ON (High-density 25G enterprise access switch with 100G/200G uplinks)

• Dell PowerSwitch Z-Series (Data Center Spine/Core):

  • Z9332F-ON (32x 400GbE QSFP-DD ports that accept 200G QSFP56 transceivers directly into backward-compatible cages)

  • Z9264F-ON (High-density multi-rate core switch fabric)
    
    

Primary Application Scenarios of 200G QSFP56 Transceiver

The Dell Q56-200G-SR4 is deployed primarily in high-throughput enterprise fabrics and high-performance compute environments:

• Dell PowerSwitch Spine-and-Leaf Networks: Serving as high-bandwidth uplinks connecting dense leaf switches to high-capacity spine layers within corporate data centers.

• Enterprise NVMe over Fabrics (NVMe-oF) Storage: Linking high-speed enterprise storage arrays (like Dell PowerMax or PowerStore) to the network core, eliminating input/output bottlenecks for data-heavy applications.

• Hyper-Converged Infrastructure (HCI) Backbones: Providing the low-latency Inter-Node communication required by clustered setups such as Dell VxRail.

Key Product Parameters of 200GBASE-SR4 Transceivers

Connectivity Solutions for 200GBASE QSFP56 Optical Module

Q1: What does the "Q56" in Dell Q56-200G-SR4 stand for?A1: "Q56" is Dell's nomenclature for the industry-standard QSFP56 (Quad Small Form-Factor Pluggable 56) form factor, which introduces 50Gbps PAM4 signaling over 4 electrical lanes.

Q2: Can I insert this 200G SR4 module into a  Dell 400G QSFP-DD port?A2: Yes. Dell's 400G QSFP-DD ports are backward-compatible. A QSFP56 module can physically and electrically map into the lower-speed lane configurations of a QSFP-DD slot and will run natively at 200G.

Q3: Does HYTOPTODEVICE 200G QSFP56 module support real-time environmental monitoring?A3:Yes, our 200G module features full Digital Optical Monitoring (DOM) capabilities.  you can monitor internal operating temperatures, laser bias currents, and real-time TX/RX power.

Q4: Can this 200G QSFP56 module run in a standard Dell 100G QSFP28 port?A4: No. The 100G QSFP28  port does not support the 200G transceiver.their pulse modulation ways are different. 100G SR4 module uses 25G NRZ electrical lanes, that is not compatible with  the 50G PAM4 signals used by this 200G QSFP56 transceiver.

Q5:Does this module require Forward Error Correction (FEC) to operate??A5: Yes. In accordance with the IEEE 802.3bs 200GBASE-SR4 standard, the host equipment must have RS-FEC turned on to manage the native signal margins of PAM4 technology.

Q6: Can this 200G QSFP56 module be split into breakout connections?A6: Yes. Because it features a parallel 4-lane VCSEL optics structure, you can use an MPO-12 to 2x QSFP56 breakout cable or an MPO-12 to 4x SFP56 breakout cable to divide the link into 2x 100G or 4x 50G connections, provided your Cisco switch port supports splitting.

Q7: What is the maximum transmission distance for 200G QSFP56 SR4 module?A7: The module transmit data up to 100 meters (328 feet) when using high-quality OM4 multi-mode fiber, and up to 70 meters (229 feet) when utilizing OM3 fiber.

Q8: Does the QSFP-200G-SR4-S feature Digital Diagnostics Monitoring (DDM)?A8: Yes. It supports  Digital Diagnostic Monitoring allowing real-time tracking of internal temperature, operating voltage, laser bias currents, and transmit/receive power values via the switch OS.

Q9: What type of fiber cable do I need for this 200G SR4 transceiver?A9:It requires a Multi-Mode Fiber (MMF) patch cable with an MPO-12 (UPC) connector. the dual-LC fibers can not be used. it mismatch.

Why Network Engineers Choose HYTOPTODEVICE

HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.

• 100% MSA-compliant modules with Cisco, Huawei,Dell,Juniper, and Arista compatibility
• ISO 9001:2015 certified manufacturing facility in Shenzhen
• Average lead time of 3–5 business days with DHL/FedEx express options
• Dedicated pre-sales engineering support for custom configurations
• Actual hardware,actual switches,actual results.we publish compatibility test video,eliminate compatibility anxiety. you can watch before you buy. 
• We can provide inspection and shipping videos to make you feel as if you are right here with the product.

"We replaced 200 Cisco-branded SFPs with HYTOPTODEVICE equivalents across our spine layer — zero compatibility issues, 40% cost reduction."— Network Architect, Tier-2 ISP, Germany

Quality Certification & Compliance：

 At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final inspection, our processes ensure global compliance and reliability.

We adhere to rigorous standards for our SFP modules and network solutions:

• ISO 9001: Certified quality management and production consistency.

• CE & FCC: Fully compliant for seamless Global Market Access.

• RoHS: Committed to environmental responsibility and hazardous material control.

• Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.

Certified Quality. Global Standards. Guaranteed Performance.

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