Lenovo 4TC7A69045 Dual Rate 10G/25G SFP28 85C Transceiver

Overview

The Lenovo 00MJ105 is a dual-rate SFP28 transceiver designed to support both 10 Gigabit and 25 Gigabit Ethernet connections over multimode optical fiber. It provides a 25GBase-SR interface optimized for short-reach networking, making it ideal for high-speed data transfer within data centers or server rooms. With an operating temperature tolerance up to 85 degrees Celsius, this module is built to perform reliably in demanding environments where heat and space constraints are common.

This transceiver is well suited for short-distance links inside racks or between adjacent racks, helping network administrators efficiently expand or upgrade optical network capacity. Its plug-in design allows for easy installation and replacement, supporting flexible deployment in compatible Lenovo networking hardware.

Key features

• Dual-rate support enables seamless operation at both 10G and 25G Ethernet speeds, allowing for flexible network scaling.
• Compact SFP28 form factor simplifies integration into existing Lenovo switches and networking equipment.
• 25GBase-SR interface ensures efficient short-reach connections over multimode fiber, reducing cabling complexity.
• High temperature tolerance up to 85°C supports stable performance in environments with elevated ambient heat.
• Single-port optical fiber connection streamlines network design and reduces hardware footprint.

Key specs

• Supported data rates: 10 Gigabit and 25 Gigabit Ethernet
• Interface type: 25GBase-SR for short-reach multimode fiber
• Form factor: SFP28 plug-in module
• Operating temperature: up to 85 degrees Celsius
• Port count: single optical fiber port

Connectivity and compatibility

This transceiver is compatible with Lenovo networking hardware that supports SFP28 modules, enabling straightforward upgrades or expansions of existing optical networks. It is designed to work with multimode fiber cabling, which is common in data center environments for short-distance connections. The dual-rate capability allows it to fit mixed-speed network setups, reducing the need for multiple transceiver types.

Ideal uses and environments

The Lenovo 00MJ105 excels in data centers and server rooms where short-reach, high-bandwidth connections are essential. It fits well in setups requiring reliable 10G or 25G Ethernet links over multimode fiber, especially where space and heat management are critical. Network teams looking to standardize on a versatile transceiver for evolving infrastructure will find this module a practical choice for phased upgrades and maintenance.