Dell Dual Rate SFP28 SR Optical Transceiver Module

Overview

The Dell M14MK is an SFP28 short-range optical transceiver module designed to support dual data rates of 10 GbE and 25 GbE over multimode fiber. It operates at an 850 nm wavelength and delivers reliable connectivity up to 100 meters when used with OM4 fiber, making it well suited for top-of-rack switches, servers, and storage arrays in data centers and equipment rooms. This module fits directly into compatible Dell networking ports and supports hot-plug installation, allowing network upgrades and maintenance without downtime.

Key features

• Dual-rate support enables flexible deployment with both 10 Gbps and 25 Gbps Ethernet speeds, allowing seamless upgrades without hardware changes
• Operates at an 850 nm wavelength optimized for multimode fiber, ensuring efficient short-range optical transmission
• Supports link distances up to 100 meters with OM4 fiber, covering typical data center rack and row layouts
• Duplex LC connectors provide secure and easy fiber connections for quick setup and maintenance
• Hot-pluggable SFP28 form factor allows tool-free installation and replacement, minimizing network downtime
• Complies with industry-standard SFP28 MSA for broad compatibility across Dell switches and network interface cards

Key specs

• Data rates: 10 Gbps and 25 Gbps Ethernet
• Wavelength: 850 nm
• Maximum link distance: 100 meters with OM4 multimode fiber
• Connector type: Duplex LC
• Form factor: SFP28

Connectivity and compatibility

This transceiver module is designed to fit seamlessly into Dell networking equipment that supports the SFP28 MSA standard. It works well with top-of-rack switches, servers, and storage arrays that require flexible speed options between 10 GbE and 25 GbE. The use of duplex LC connectors ensures compatibility with standard multimode fiber cabling commonly found in data centers.

Ideal uses and environments

The M14MK is a strong choice for data center environments where short-range, high-speed connectivity is essential. It supports server aggregation, VMware clusters, and high-performance storage fabrics, making it suitable for IT professionals managing scalable and mixed-speed network infrastructures. Its hot-pluggable design also benefits environments that require frequent upgrades or maintenance without interrupting network operations.