Black Box QSFP-H40G-AOC3M-BB
40Gbps Active Optical Network Cable – QSFP+ to QSFP+ – 3 m
The Black Box QSFP-H40G-AOC3M-BB is a 40 Gbps Active Optical Cable (AOC) designed for high-speed connectivity in data centers, enterprise networks, and HPC environments. With QSFP+ connectors on both ends and a 3 m fiber length, it provides simple plug-and-play operation for 40G Ethernet links without separate transceivers.
As a genuine Black Box interconnect solution, this AOC ensures reliable performance, low latency, and reduced EMI compared to copper DACs. Its lightweight, flexible design makes it ideal for short-to-mid rack interconnects with consistent throughput and energy efficiency.
Features :
This active Optical Cable transmits 40GbE signals via multimode fiber and includes the embedded electronics for signal integrity. Hot-pluggable QSFP+ connectors allow fast deployment with switch, router, or server ports. It delivers high bandwidth with low power consumption.
Advanced Options :
The QSFP-H40G-AOC3M-BB is fully compliant with IEEE 802.3ba 40GBASE standards. Immune to EMI/RFI interference, it is perfect for dense IT environments. No need for patch cords or separate optics — this AOC integrates optics and cabling into one streamlined solution.
Product Key Features
- 40Gbps QSFP+ Active Optical Cable
- 3 m (9.8 ft) length
- Plug-and-play hot-pluggable design
- QSFP+ connectors on both ends
- Lightweight and flexible compared to copper DACs
- Ideal for switch-to-server or switch-to-switch 40G links
- EMI/RFI immune with low latency
- Backed by Black Box performance assurance
Reliability & Performance :
The Black Box QSFP-H40G-AOC3M-BB provides stable, high-throughput performance for mission-critical links. Its integrated optical/electronics assembly reduces signal loss and provides reliable bandwidth in demanding data center environments. Built with enterprise-grade materials, it supports continuous, efficient operation 24/7.
Key Features :
- QSFP+ to QSFP+ 40GbE Active Optical Cable
- 3-meter fiber length for rack-to-rack use
- Low power, low latency, high reliability
- EMI-resistant for dense installations
- Trusted Black Box network solution




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