NVIDIA AOC Splitter IB Twin Port HDR400Gb Active Optical Cable - 5 m

In high-density data centers, rack space is precious and cable clutter can obstruct airflow. The NVIDIA AOC Splitter IB Twin Port HDR400Gb solves this by combining two QSFP-DD connections into a single 5-meter active optical cable. It is built for NVIDIA Mellanox InfiniBand HDR400 switches and adapters, delivering 400 Gb/s bidirectional throughput for HPC clusters, AI training, and enterprise data centers.

Key specifications

• Cable Type: Active Optical Cable (AOC) with integrated VCSEL-based optical engines
• Technology: InfiniBand HDR (High Data Rate)
• Data Rate: 400 Gb/s (bidirectional, twin-port)
• Connector Type: QSFP-DD on both ends
• Cable Length: 5 meters (16.4 ft)
• Fiber Type: Multi-mode fiber (MMF)
• Hot-Pluggable: Yes
• Power Consumption: Max. 10W per cable
• Voltage: 3.3V
• Operating Temperature: 0°C to 70°C
• Compliance: IBTA, RoHS, CE, FCC
• Jacket Material: LSZH (Low Smoke Zero Halogen)
• Series: NVIDIA Mellanox LinkX

Why choose it

This AOC splitter eliminates bulky copper cabling, reducing weight and improving airflow in congested racks. Its active optical design ensures ultra-low latency and signal integrity over the full 5-meter length, even in electrically noisy environments. The twin-port configuration simplifies cable runs, cutting installation time and reducing points of failure.

Ideal use cases

• High-Performance Computing (HPC) clusters requiring maximum bandwidth
• AI training infrastructures with dense GPU connectivity
• Large-scale enterprise data centers upgrading to InfiniBand HDR400
• Environments where cable management and airflow are critical

Good to know

The cable is hot-pluggable, allowing for easy installation and maintenance without downtime. Its LSZH jacket meets strict fire safety standards, making it suitable for data centers with stringent regulations. Backed by NVIDIA Mellanox LinkX quality, it ensures reliable performance in demanding 24/7 operations.