Cisco QSFP-100G-SR4-S Compatible 100G QSFP28 SR4 Optical Transceiver Module | HYTOPTODEVICE

Compatible Cisco QSFP-100G-SR4-S | Commercial Grade Cisco 100G QSFP28  SR4 Transceiver | HYTOPTODEVICE(100m, MMF, 850nm, MPO-12, DOM)
Product Overview of  Cisco Compatible 100G QSFP28 SR4
This Cisco 100G QSFP28 SR4 transceiver matches Cisco QSFP-100G-SR4-S official specs, operating at 850nm wavelength withMPO-12 connector., supporting 100m transmission over OM3/OM4 multi-mode fiber (MMF). This commercial-grade Cisco 100G QSFP28 SR4 transceiver runs stably from 0℃ to 70℃ with complete DDM monitoring.

All HYTOPTODEVICE Cisco 100G QSFP28 SR4 transceiver passes full optical aging inspection, full optical performance test data and real-machine test videos are available on request. It is fully compliant with IEEE, QSFP MSA and RoHS standards, 100% plug-and-play without extra switch configuration. Our cost-effective Cisco 100G QSFP28 SR4 transceiver cuts over 70% procurement cost vs original OEM optics, ideal for data center leaf-spine, AI server rack interconnection and colocation aggregation projects with bulk wholesale & OEM EEPROM customization supported.

Key Technical Specifications
Below are complete optical, electrical and mechanical parameters of our Cisco 100G QSFP28 SR4 transceiver compatible with QSFP-100G-SR4-S. Every batch undergoes strict optical calibration and temperature cycling; official optical test reports of Cisco 100G QSFP28 SR4 transceiver can be provided anytime upon demand.

Full Compatibility List & Multi-Brand Supported Network Hardware

• Nexus 9000 Series: 9300, 9500 (e.g., N9K-C93180YC-FX, N9K-C9336C-FX2).

• Nexus 3000 Series: 3100, 3200 (e.g., N3K-C31108PC-V).

• Catalyst Series: Catalyst 9500, 9600, 9800-CL.

• ASR 9000 Series Routers: With compatible 100G line cards.

• Cisco UCS: 6454/64108 Fabric Interconnects.

• Cisco 100G QSFP28 SR4 transceiver for data center leaf spine interconnection, building high-speed short-range 100G backbone with OM4 multimode fiber and reducing fiber deployment costs for large data room upgrades.
• Cisco 100G QSFP28 SR4 transceiver for AI rack-to-rack server links, realizing high-throughput data exchange between GPU racks within 100m transmission distance for AI computing clusters.
• Cisco 100G QSFP28 SR4 transceiver for colocation cabinet aggregation, connecting multiple tenant top-of-rack switches to core aggregation devices for efficient internal data center traffic scheduling.
• Bulk wholesale Cisco 100G QSFP28 SR4 transceiver for enterprise core cabinet interconnection, meeting short-distance high-speed networking demands of campus and medium-sized enterprise data centers.
• Cost-effective Cisco 100G QSFP28 SR4 transceiver for cloud provider internal server aggregation, lowering large-batch procurement expenditure compared with expensive original OEM transceivers. 

Connectivity Solutions(Applications)
Our 850nm multimode Cisco 100G QSFP28 SR4 transceiver supports four mainstream data center deployment architectures, refer to the 4 attached schematic drawings:

1.Switch-to-Switch Interconnection Diagram:
Deploy paired Cisco 100G QSFP28 SR4 transceiver between two Cisco leaf/spine core switches for short-range 100G multimode backbone links.


2.Switch-to-NIC Interconnection Diagram:
Use Cisco 100G QSFP28 SR4 transceiver to connect aggregation switch and server 25G/100G NIC for high-speed server uplink.

3.100G to 4x25G Breakout Link with Switch Diagram:
Pair Cisco 100G QSFP28 SR4 transceiver with MPO breakout cable to split one 100G port into four independent 25G channels on top-of-rack switches.


4.100G to 4x25G Breakout Link with NIC Diagram:
Adopt breakout MPO cable to split 100G QSFP28 SR4 signal into four 25G streams to connect multi-port server NICs.


Feature
HYTOPTODEVICE Cisco S-Class 100G transceiver delivers ultra-stable 100Gbps transmission with industry-leading low power consumption. Engineered for maximum reliability in high-density data center environments.

FAQ for 100G  QSFP28 SR4 Optical Module

Q1:What is QSFP28 100G SR4 module? A:The 100G SR4 is a hot pluggable optical transceiver module.It is typically built in a QSFP28 form factor, uses a multimode fiber (MMF)  to transmit distance up to 100m  through four parallel fibers at 850nm wavelength. 

Q2:Is 100m over OM4 Possible with 100G QSFP28 SR4 optical module?A:HYTOPTODEVICE QSFP28 100G SR4 module supports the maxium transmitting distance of up to 100m.

Q3:What fiber connector is required for the Cisco 100G SR4?A:The 100G SR4 module uses MPO-12 connector with MMF.

Q4:Does this 100G SR4 module support DOM?A:Yes, it supports Digital Optical Monitoring (DOM) for real-time monitoring, allowing monitoring of optical power,laser bias current,temperature and voltage.

Q5:What does "SR4" stand for in 100G SR4?A: SR4 stands for "Short Distance 4-Channel". It uses four parallel fibers at 850nm wavelength to transmit 100G traffic over MMF up to 100m.

Q6:How can I use this for 100G to 4x25G breakout?A: Our 100G QSFP28 SR4 modules supports breakout mode, you can us MTP to 8LC cables to connect them.

Q7:Q: What are the technical differences between 100G SR4 vs 10G SR? A: The difference as follow:

Q8:Can the QSFP28 100G SR4 be connected with SFP+10G SR?A: NO.A 100G QSFP28 SR4 and a 10G SFP+ SR is not connnected.  They mismatch in data rates, lane configuration, and physical signaling. the specific difference see above.

 Q9:What is the difference between QSFP-100G-SR4-S vs SR4?The difference see below:

Q10:Is 100GBASE-SR4 850nm module hot pluggable?A:Yes,HYTOPTODEVICE 100g optical modules are hot-pluggable, hot Pluggable QSFP28 MSA Compliant.you can plug or unplug the optical module, while the device is powered on without damaging the hardware.

Q11:How do you ensure quality testing for 100g  QSFP SR4?

A: At HYTOPTODEVICE, we maintain a comprehensive quality management system integrated with rigorous, multi-stage testing. Every optical transceiver module undergoes extensive evaluation to ensure it exceeds industry standards for reliability, high-speed performance, and multi-vendor compatibility. We don't just ship products; we deliver verified network stability.use it with peace of mind.

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.

• Up to 70% cost savings vs OEM, transparent pricing & flexible bulk rates, supported quality returns
• 100% real-device compatible with Cisco, Huawei,Dell,Juniper, and Arista
• ISO 9001:2015 Shenzhen factory, full lineup: 1.25G/10G/25G/40G/100G/200G/400G/800G/1.6T transceivers
• Ample stock, fast global DHL/FedEx shipping in 3–5 working days
• Free pre-sales engineering support for custom EEPROM  & private label firmware
• Real switch test videos available for pre-purchase review; inspection & shipping videos provided per order

"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.

Rigorous Industrial Product Testing：

   

100% 3rd Party Compatible：

Partial Test Demonstration：

Others: