Dell HN12K

Overview

The Dell HN12K is a 10 Gigabit Ethernet SFP+ SR optical transceiver designed to deliver high-speed network connectivity for Dell PowerEdge servers and compatible devices. It supports data transfer rates up to 10,000 Mbit/s over multimode fiber, enabling efficient handling of large data volumes, virtualization clusters, and storage traffic. With a reach of up to 300 meters, it is well suited for connecting equipment within data centers or across nearby buildings.

Key features

• Supports 10 Gigabit Ethernet traffic to accelerate data transfer and reduce bottlenecks in demanding network environments
• SFP+ form factor ensures easy installation into compatible Dell server and switch ports without requiring additional adapters
• LC duplex fiber connector provides reliable connections using standard multimode fiber cables
• 10GBase-SR optics enable cable runs up to 300 meters, ideal for intra-building or campus network links
• Hot-pluggable design allows insertion or replacement without powering down equipment, minimizing downtime during maintenance
• Durable stainless steel housing protects the transceiver from wear caused by frequent insertions in dense rack setups
• Built-in diagnostic monitoring reports key parameters such as optical power and temperature, helping administrators maintain optimal performance
• Dell certification guarantees compatibility and reliable operation across a wide range of Dell networking and server hardware

Key specs

• Data rate: 10,000 Mbit/s (10 Gigabit Ethernet)
• Form factor: SFP+
• Connector type: LC duplex fiber
• Optical standard: 10GBase-SR
• Maximum cable distance: 300 meters over multimode fiber
• Housing material: stainless steel
• Compatibility: Dell PowerEdge servers and compatible network equipment

Connectivity and compatibility

This transceiver integrates seamlessly with Dell PowerEdge servers and switches featuring SFP+ ports. It uses standard LC duplex connectors compatible with multimode fiber cabling commonly found in data centers. The module supports 10GBase-SR optical signaling, making it suitable for short-range high-speed links within racks, between rooms, or across nearby buildings on a campus network.

Installation and setup

The hot-pluggable design simplifies installation and replacement, allowing network administrators to upgrade or maintain connections without interrupting server operation. This feature reduces maintenance windows and helps keep critical workloads online. Diagnostic monitoring accessible through standard management tools provides real-time feedback on optical power and temperature, aiding in proactive network management.

Ideal uses and environments

The Dell HN12K is a strong choice for data centers and enterprise environments that require reliable 10 Gigabit Ethernet connectivity over short distances. It fits well in setups that demand high throughput for virtualization, storage area networks, or backbone bandwidth expansion. Its robust construction and diagnostic features make it suitable for dense rack environments where frequent module changes may occur.

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