019-078-058 Dell 100GBE QSFP28 SR4 85C MPO MMF Transceiver

Product Highlights of Dell 019-078-058 Transceiver Module

The Dell 019-078-058 Networking Transceiver is engineered for enterprises requiring lightning-fast connectivity. Designed with QSFP28 SR4 technology, this module ensures seamless 100GbE performance across demanding infrastructures.

General Information

• Manufacturer: Dell
• Part Number: 019-078-058
• Product Type: High-speed Transceiver Module

Technical Highlights

• Connection Type: 100GbE QSFP28 – ensuring ultra-fast data transfer rates suitable for high-demand environments
• Temperature Range: Rated for up to 85°C – ideal for environments requiring consistent performance at high temperatures
• Connector: MPO – multi-fiber push-on for efficient and organized connectivity
• Fiber Type: Multi-Mode Fiber (MMF) – supports short-range, high-speed transmissions

Dell 019-078-058 100GbE QSFP28 Optical Transceiver

High-Speed Data Center Networking Architecture Integration

The Dell 019-078-058 Networking Transceiver 100GbE QSFP28 SR4 85C MPO MMF is a high-performance optical module engineered for next-generation data center networking environments requiring ultra-fast throughput, low latency, and high-density port deployment. Designed to operate within 100 Gigabit Ethernet (100GbE) infrastructures, this QSFP28 SR4 transceiver provides a robust and scalable interconnect solution optimized for short-range multimode fiber (MMF) applications using MPO multi-fiber push-on connectors. Its architecture supports parallel optical transmission, making it suitable for spine-leaf topologies, high-performance computing clusters, cloud infrastructure, and enterprise aggregation layers where bandwidth density and reliability are critical.

QSFP28 SR4 Optical Design

Quad Small Form-Factor Pluggable 28 (QSFP28) Technology

The QSFP28 form factor embedded in the Dell 019-078-058 module is a compact, hot-pluggable interface designed to support 4x25Gbps electrical lanes, aggregating to a total line rate of 100Gbps. This architecture enables efficient use of switch and router port density while minimizing power consumption per gigabit. The module is optimized for seamless interoperability with compatible Dell networking hardware platforms, ensuring stable signal integrity and consistent optical performance under high network utilization scenarios.

SR4 Multimode Parallel Optics

The SR4 designation indicates Short Reach 4-lane parallel optical transmission. The module utilizes four independent optical lanes for transmission and four for reception, enabling full-duplex 100GbE operation over multimode fiber infrastructure. This parallel optics design reduces serialization complexity and enhances signal reliability across short-distance interconnects typically found within data centers, switch-to-switch links, and top-of-rack to spine configurations.

MPO Connector Interface for High-Density Cabling

The integration of an MPO (Multi-fiber Push-On) connector allows the Dell 019-078-058 transceiver to support 8-fiber alignment within a single compact interface. This connector architecture significantly reduces cable bulk while enabling high-density fiber deployment in constrained rack environments. The MPO interface is optimized for precision alignment, ensuring minimal insertion loss and stable optical performance in high-speed networking environments where signal degradation must be minimized.

100GbE Performance Characteristics and Transmission Efficiency

High Throughput Network Transport Capabilities

The 100 Gigabit Ethernet capability of this transceiver supports high-volume data transport across modern networking infrastructures. It is designed to handle massive east-west traffic flows in distributed computing environments, ensuring that bandwidth-intensive workloads such as virtualization, cloud orchestration, storage replication, and AI/ML data processing are supported without bottlenecks. The 4x25Gbps lane architecture ensures deterministic performance and consistent latency behavior across network hops.

Low Latency Optical Signal Processing

The Dell 019-078-058 module is optimized for low-latency transmission by minimizing electrical-to-optical conversion delays and ensuring high signal fidelity across multimode fiber channels. This is essential in environments where microsecond-level latency differences can significantly impact workload performance, particularly in financial trading systems, real-time analytics, and high-performance computing clusters.

Link Distance and Multimode Fiber Optimization

The SR4 multimode configuration is engineered for short-reach optical communication, typically supporting distances up to 100 meters depending on fiber quality and network design parameters. It leverages OM3 and OM4 multimode fiber standards to maintain high signal integrity over short-haul interconnects within data centers. The module’s optical power budget is calibrated to ensure consistent performance even in high-density cabling environments where attenuation and dispersion must be carefully managed.

Thermal Design and Operational Stability

85°C Industrial Temperature Rating

The Dell 019-078-058 transceiver is rated for operation at up to 85°C, making it suitable for demanding thermal environments commonly found in high-density rack deployments. This extended temperature tolerance ensures reliable performance under elevated heat conditions, such as fully populated switch chassis or constrained airflow environments. The thermal resilience contributes to reduced failure rates and extended operational lifespan in mission-critical data center applications.

Power Efficiency

Power efficiency is a critical design parameter for QSFP28 modules operating at 100GbE speeds. This transceiver is engineered to maintain optimal power consumption while balancing thermal output, ensuring compatibility with modern energy-efficient networking infrastructure. The reduced power-per-bit ratio contributes to lower operational costs and improved thermal distribution across networking chassis, enabling higher port density without exceeding cooling thresholds.

Compatibility and System Integration

Dell Networking Platform Interoperability

The Dell 019-078-058 transceiver is designed for seamless integration with compatible Dell Networking switches and routing platforms supporting QSFP28 interfaces. Its firmware and optical specifications are aligned with Dell ecosystem standards to ensure plug-and-play functionality, reducing configuration overhead and simplifying deployment in enterprise and hyperscale environments.

Data Center Spine-Leaf Architecture Deployment

Within modern spine-leaf architectures, this transceiver plays a key role in enabling high-bandwidth interconnects between leaf switches and spine layers. Its 100GbE capability ensures non-blocking fabric performance, allowing predictable traffic flow and eliminating oversubscription bottlenecks. This makes it suitable for cloud-native infrastructures and distributed application ecosystems requiring high-speed east-west communication.

Network Virtualization and Cloud Infrastructure

The module is well-suited for virtualized environments where multiple tenant workloads share underlying physical infrastructure. Its consistent throughput performance and low-latency characteristics support software-defined networking (SDN) architectures, enabling dynamic workload allocation and scalable cloud resource management.

Signal Integrity and Optical Performance

Parallel Lane Synchronization and Data Integrity

The four-lane parallel optical structure ensures synchronized data transmission across multiple channels, reducing jitter and maintaining signal alignment integrity. This architecture is essential for maintaining error-free transmission at 100GbE speeds, particularly in environments with high electromagnetic interference or dense cabling systems.

Bit Error Rate Optimization and Reliability

The Dell 019-078-058 transceiver is engineered to maintain low bit error rates (BER), ensuring high data accuracy across optical links. Advanced error reduction techniques and precise optical calibration contribute to stable communication performance even under variable environmental conditions.

Physical Design and Mechanical Structure

Compact QSFP28 Module Form Factor

The compact QSFP28 design allows for high port density in networking equipment, enabling more interfaces per switch chassis without increasing physical footprint. This is particularly advantageous in hyperscale environments where rack space optimization is a critical design constraint.

Hot-Swappable

The transceiver supports hot-swappable functionality, allowing network administrators to install or replace modules without powering down the host system. This ensures continuous network availability and minimizes downtime during maintenance or upgrades.

Mechanical Durability and Connector Reliability

The MPO connector interface is designed for repeated insertion cycles while maintaining optical alignment precision. The mechanical housing of the module ensures structural integrity under operational stress, vibration, and airflow-induced pressure conditions commonly found in data center environments.

Application Scenarios in Modern Networking Ecosystems

Enterprise Data Centers and Cloud Platforms

In enterprise-grade data centers, the Dell 019-078-058 transceiver is deployed to support core switching fabrics, aggregation layers, and high-speed server interconnects. Its 100GbE capacity enables efficient workload distribution and rapid data movement across virtualized infrastructure.

High-Performance Computing (HPC) Clusters

HPC environments rely on extremely fast inter-node communication, and this transceiver supports such requirements by providing low-latency, high-bandwidth optical links. It enables distributed computing tasks such as simulations, modeling, and large-scale scientific computations to operate efficiently.