• Arista QSFP28-100G-LR4 Compatible 100G QSFP28 LR4 Optical Transceiver Module Wholesale | HYTOPTODEVICE
  • Front LC port view of 100G QSFP28 LR4 transceiver 1310nm single-mode optic for Arista QSFP28-100G-LR4 hardware swap
  • Side profile MSA-certified 100G QSFP28 LR4 transceiver for large-scale Arista data center bulk upgrade
  • EML laser integrated low-BER 100G QSFP28 LR4 transceiver for multi-vendor long-haul DCI interconnection
  • Rewritable vendor EEPROM 100G QSFP28 LR4 transceiver for system integrator Arista network customized deployment
  • Internal chip close-up of 100G QSFP28 LR4 transceiver supporting full real-time DDM optical parameter monitoring
  • Arista QSFP28-100G-LR4 Compatible 100G QSFP28 LR4 Optical Transceiver Module Wholesale | HYTOPTODEVICE
  • Front LC port view of 100G QSFP28 LR4 transceiver 1310nm single-mode optic for Arista QSFP28-100G-LR4 hardware swap
  • Side profile MSA-certified 100G QSFP28 LR4 transceiver for large-scale Arista data center bulk upgrade
  • EML laser integrated low-BER 100G QSFP28 LR4 transceiver for multi-vendor long-haul DCI interconnection
  • Rewritable vendor EEPROM 100G QSFP28 LR4 transceiver for system integrator Arista network customized deployment
  • Internal chip close-up of 100G QSFP28 LR4 transceiver supporting full real-time DDM optical parameter monitoring

Arista QSFP28-100G-LR4 Compatible 100G QSFP28 LR4 Optical Transceiver Module Wholesale | HYTOPTODEVICE

Buy bulk 100G QSFP28 LR4 Transceiver fully compatible with Arista QSFP28-100G-LR4. 1310nm LAN-WDM single-mode 10km reach with LC Duplex Connector, full DDM/DOM real-time monitoring, Support small sample testing, OEM private labeling, custom vendor coding for Arista EOS switches.. bulk wholesale for global import distributors and enterprise end users.
NO. Brand  Compatible P/N Remarks
1 Cisco  QSFP-100G-LR4-S 
2 Arista Networks  QSFP-100G-LR4
3 Brocade  100G-QSFP28-LR4-LP-10KM
4 Dell  Q28-100G-LR4
5 H3C  QSFP-100G-LR4-WDM1300
6 HPE Aruba  JL310A
7 Huawei  QSFP-100G-LR4 
8 Juniper Networks  QSFP-100G-LR4-D
9 NVIDIA(Mellanox)  MMA1L10-CR
Description
Arista QSFP-100G-LR4 Compatible 100GBASE-LR4 100G QSFP28  LR4 Transceiver | HYTOPTODEVICE(10km, SMF, 1310nm, Duplex LC, DOM)

Product Overview

 The Arista Compatible QSFP28-100G-LR4 is a premium 100G QSFP28 LR4 transceiver, designed for high-speed 100Gbps connectivity up to 10km. Optimized for high-density data centers, this 100G module utilizes Single-Mode Fiber (SMF) and LAN-WDM technology(wavelength:1295~1310nm) to ensure superior signal integrity. It features low power consumption, low latency and operates within a commercial temperature range (0°C to 70°C) for maximum reliability. Fully hot-swappable and DOM/DDM-supported, the interoperable 100G QSFP28 LR4 transceiver multi-vendor network provides seamless, cost-effective compatibility with Arista 7060X,7280R,7300X,7500R Series switches, making it the ideal choice for Arista leaf-spine fabric interconnection, cross-data-center DCI links and enterprise long-haul backbone upgrade

Key Technical Specifications

Our high-quality 100G QSFP28  LR4 Transceiver is strictly manufactured, optically calibrated and fully tested in accordance with Arista QSFP-100G-LR4 specifications, QSFP28 MSA and IEEE 802.3ba industry standards. Each module undergoes rigorous optical, electrical and protocol compatibility verification to deliver stable, low-BER and reliable 40km long-reach transmission for Arista cloud data center networks. All precise technical parameter values are detailed in the below specification table for professional deployment reference.
Arista Compatible QSFP-100G-LR4 Vendor Name HYTOPTODEVICE
Form Factor QSFP28 Max Data Rate 103.125Gbps (4x 25.78Gbps)
Wavelength 1295.56nm,1300.05nm,
1304.58nm,1309.14nm
Max Distance 10km
Connector Duplex LC Transmitter Type 4 x LAN WDM EML
Cable Type SMF Receiver Type PIN
Modulation (Electrical) 4x 25G-NRZ TX Power -4.3~+4.5dBm
Power Consumption < 3.5W Receiver Sensitivity < -10.6dBm
Protocols 100G Ethernet, MSA Compliant Operation Temperature 0 to 70°C (32 to 158°F)

Full Compatibility List & Supported Network Hardware

1.Native Arista Compatibility
HYTOPTODEVICE 100G QSFP28 LR4 transceiver pass long-time traffic aging tests on official Arista platforms, realizing seamless replacement for QSFP28-100G-LR4 without port recognition errors, and all DDM monitoring data can be normally read on Arista EOS management page. Complete test logs and hardware verification videos can be provided for project inspection.

Compatible Arista Hardware:
  • Arista 7050X / 7060X / 7280R Series Leaf-Spine Switches
  • Arista 7500 Series High-Density Core Fabric Switches
  • Arista DCS Data Center 100G Single-Mode Uplink Ports
  • Arista Universal Spine Switch QSFP28 Expansion Slots

2.Multi-Brand Cross Compatibility

Built strictly to industry MSA standards, HYTOPTODEVICE’s QSFP-100G-LR4 breaks vendor lock-ins, delivering seamless interoperability across diverse network environments.

  • Open-Brand Devices (Plug-and-Play): 100% natively compatible with open-architecture brands like Ciena, Fortinet, Ubiquiti, MikroTik, D-Link, Zyxel, and more.

  • Locked-Brand Devices (Advanced Coding): Powered by our proprietary EEPROM writing technology, our modules successfully bypass vendor encryptions to ensure 100% compatibility with Cisco, H3C, Juniper, Dell, Intel, and the latest updated Arista firmware versions.

3.Free Custom EEPROM Re-Flash Service
To future-proof your investment, we offer a free firmware re-flash service. If you upgrade your switch OS or migrate the module to a different brand in the future, we will re-code it to guarantee a 100% stable link.


Primary Application Scenarios

This stable single-mode 100G QSFP28 LR4 transceiver specializes in 10km long-distance transmission scenarios, supporting Arista leaf-spine fabric construction, cross-building DCI interconnection and enterprise trunk network upgrade with consistent low-BER optical transmission performance.

  • 100G QSFP28 LR4 transceiver bulk replacement for outdated Arista QSFP28-100G-LR4 modules during fabric bandwidth expansion
  • Cross-data-center DCI interconnection using 100G QSFP28 LR4 transceiver to build low-loss 10km long-reach single-mode links
  • Enterprise core backbone network construction deploying 100G QSFP28 LR4 transceiver for stable inter-room trunk transmission
  • Large campus network iteration with low-jitter 100G QSFP28 LR4 transceiver for remote machine room 100G uplink
  • System integrator custom coded 100G QSFP28 LR4 transceiver for multi-brand long-haul data center integration projects
  • ISP edge room networking adopting standard-compliant 100G QSFP28 LR4 transceiver for 100G wide-area bandwidth expansion

Connectivity Solutions(Applications)

1. 100G Switch-to-Switch Interconnection

Deploy paired 100G QSFP28 LR4 transceiver with G.652 single-mode fiber to build reliable 10km switch-to-switch trunk links for Arista fabric aggregation.

Arista compatible 100G QSFP28 Transceiver LR4 for 10km single-mode data center core switch interconnection

2.100G Switch-to-NIC Direct Connection

Adopt 100G QSFP28 LR4 transceiver for direct switch-server NIC connection, breaking short-range limits to realize stable remote high-speed server access.

hytoptodevice 100G QSFP28 LR4 transceiver long-distance topology for remote server NIC high-speed uplink transmission

3.100G Long-haul Switch Link with
Structured Cabling

Match 100G QSFP28 LR4 transceiver to standardized single-mode structured cabling systems for scalable hierarchical long-haul network layout.
Arista compatible 100G QSFP28 LR4 transceiver standardized optical link design for enterprise structured cabling switch networking


Feature
| 100G Connectivity for Data Center


HYTOPTODEVICE compatible 100G QSFP28 LR4 transceiver delivers ultra-stable 100Gbps transmission with industry-leading low power consumption. Engineered for maximum reliability in high-density data center environments.



FAQ

Q1: How to eliminate unknown transceiver CLI alert displayed when deploying HYTOPTODEVICE 100G QSFP28 LR4 transceiver on network switches?
A: You can activate the device’s service unsupported-transceiver command, or send the module back to us for customized EEPROM firmware rewriting to eliminate identification failure alarms permanently.

Q2: Can vendor-coded 100G QSFP28 LR4 transceiver for different brands achieve normal optical interconnection on two ends of fiber links?
A: Yes. Custom EEPROM coding only impacts the matching between module and local switch. Our 100G QSFP28 LR4 transceiver fully complies with IEEE 802.3ba standards, guaranteeing complete line-side interoperability regardless of different brand coding on both sides.

Q3: What is the farthest reliable transmission distance of factory-tested 100G QSFP28 LR4 transceiver over standard single-mode fiber?
A: Our 100G QSFP28 LR4 transceiver supports stable 10km error-free transmission on regular G.652 single-mode fiber. When deployed on ultra-clean fiber with few splicing points, the effective transmission distance can extend to 11–12km for special project scenarios.

Q4: Is optical attenuation mandatory for short-span 1km and 2km links using commercial-grade 100G QSFP28 LR4 transceiver?
A: It depends on the maximum receiving power threshold of the module. If the transmitting optical power exceeds the device’s rated maximum Rx power over short distances, you must install a 3dB or 5dB fixed optical attenuator to protect the receiver chip.

Q5: What power dissipation classification do standard commercial HYTOPTODEVICE 100G QSFP28 LR4 transceiver conform to?
A: All our regular commercial 100G QSFP28 LR4 transceiver meet Class 3 power standard with power consumption below 3.5W. Low-cost generic modules and industrial temperature customized versions may reach Class 4 power dissipation up to 4.5W.

Q6: Is FEC error correction function compulsory to reach the rated 10km transmission range of IEEE-compliant 100G QSFP28 LR4 transceiver?
A: Based on IEEE 802.3ba official specifications, FEC is not a mandatory condition for 10km transmission of 100G QSFP28 LR4 transceiver. Most modern data center switches enable FEC by default to realize zero bit-error long-distance transmission.

Q7: What deployment compatibility benefits does multi-channel 100G QSFP28 LR4 transceiver own compared with single-lambda 100G LR1 optical modules?
A: Our 100G QSFP28 LR4 transceiver adopts 4×25G parallel optical lane design, which can be directly identified by all legacy 100G switches without extra accessories. 100G LR1 modules apply 1×100G PAM4 modulation, and older switch hardware needs matched gearboxes to decode signals normally.

Q8: What dedicated maintenance tools fit the LC duplex end face of factory-calibrated 100G QSFP28 LR4 transceiver?
A: We recommend standard 1.25mm one-click fiber cleaning pens or dust-free cassette cleaners for daily maintenance of our 100G QSFP28 LR4 transceiver LC ports, effectively removing dust without scratching optical contact surfaces.

Q9: What core laser chips are integrated inside commercial long-reach 100G QSFP28 LR4 transceiver for 10km single-mode links?
A: All HYTOPTODEVICE standard 100G QSFP28 LR4 transceiver are equipped with premium EML electro-absorption modulated lasers to guarantee stable long-distance signal transmission. Low-cost DML lasers cannot meet the signal integrity requirements of 10km 100G optical links.

Q10: Why do some generic 100G QSFP28 LR4 transceiver have extended delivery cycles amid global chip supply shortages?
A: Conventional LR4 optical modules rely on scarce special InP indium phosphide laser chips. Limited foundry production capacity leads to severe chip backlogs, while HYTOPTODEVICE maintains stable stock of complete laser components to shorten customer order lead time.


Brand & Service Advantage 

As a global professional optical transceiver supplier, HYTOPTODEVICE focuses on mass supply and customization of compatible 100G QSFP28 LR4 transceiver matching Arista QSFP28-100G-LR4. Every batch undergoes strict optical parameter calibration, long-hour aging testing and cross-brand real-machine interoperability verification. We provide sample testing, free custom EEPROM coding, OEM private label packaging, fast worldwide logistics and 5-year factory warranty, helping overseas system integrators and data center operators cut procurement costs while maintaining stable 10km long-haul 100G network transmission performance.

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

“Phenomenal performance. We deployed 200 HYTOPTODEVICE SFP modules to replace Cisco OEMs in our backbone network. Result? Zero compatibility issues and a 60% reduction in costs. Highly recommended for mission-critical networks."— Senior Network Engineer, Regional Telecom, Australia

Quality Certification & Compliance

 At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final visual inspection, from IQC、IPQC、FQC to OQC, 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

   hytoptodevice check device and equiptment for network optical transceiver module

100% 3rd Party Compatible
hytoptodevice 100g qsfp28 lr4 module for replacement
Partial Test Demonstration
hytoptodevice compatible optical transceiver module for ethernet,data center

Others
HYTOPTODEVICE 100G QSFP28 TRANSCEIVER sr4 application for data center,ethernet

 



 

 

 

  • Arista QSFP28-100G-LR4 Compatible 100G QSFP28 LR4 Optical Transceiver Module Wholesale | HYTOPTODEVICE
  • Front LC port view of 100G QSFP28 LR4 transceiver 1310nm single-mode optic for Arista QSFP28-100G-LR4 hardware swap
  • Side profile MSA-certified 100G QSFP28 LR4 transceiver for large-scale Arista data center bulk upgrade
  • EML laser integrated low-BER 100G QSFP28 LR4 transceiver for multi-vendor long-haul DCI interconnection
  • Rewritable vendor EEPROM 100G QSFP28 LR4 transceiver for system integrator Arista network customized deployment
  • Internal chip close-up of 100G QSFP28 LR4 transceiver supporting full real-time DDM optical parameter monitoring

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