Black Box QSFP-H40G-CU3M-BB
QSFP+ Network Cable
The Black Box QSFP-H40G-CU3M-BB is a high-performance QSFP+ to QSFP+ direct attach copper (DAC) cable designed for reliable and cost-effective short-distance interconnects. With a length of 3 meters, this passive cable provides a simple, efficient, and energy-saving solution for high-bandwidth data transmission up to 40Gbps, making it ideal for data centers and enterprise networking.
Manufactured by Black Box, a globally trusted networking solutions provider, this QSFP+ cable ensures guaranteed compatibility with a wide range of QSFP+ networking equipment. It’s engineered to deliver low latency, high durability, and optimal signal integrity while being easy to deploy in tight rack configurations.
Features :
This QSFP+ DAC cable provides a cost-efficient alternative to optical transceivers for short-range connections, requiring no additional power consumption or complex configuration. Capable of supporting full 40 Gigabit Ethernet over copper, it is perfect for switch-to-switch links, storage networks, and high-speed interconnect solutions in server clusters and cloud environments. The passive design ensures low interference and seamless plug-and-play installation.
Advanced Options :
The QSFP-H40G-CU3M-BB is QSFP MSA (Multi-Source Agreement) compliant, ensuring interoperability with compliant devices from major vendors. Its robust construction guarantees long-lasting reliability, while the hot-swappable design makes it easy to integrate or replace without downtime. Designed specifically for rack-to-rack or within-rack deployments, this 3-meter DAC is an essential solution for cost-conscious enterprises that still require uncompromising bandwidth and stability.
Product Key Features
- 40Gbps data transmission (QSFP+ to QSFP+)
- 3-meter passive copper cable
- Cost-effective alternative to optical transceivers
- Low power consumption, plug-and-play design
- Hot-pluggable QSFP+ compliant connection
- Durable construction for enterprise applications
- Ideal for high-density data centers
- Backed by Black Box reliability
Reliability & Performance :
The Black Box QSFP-H40G-CU3M-BB delivers consistent throughput and superior reliability, making it an excellent choice for data center and enterprise environments where uptime and stability are non-negotiable. Engineered with precision and tested for quality, it provides solid performance for critical networking infrastructure while reducing operating costs compared to fiber solutions.
Key Features :
- 40GbE QSFP+ passive DAC cable
- 3-meter length for short interconnects
- Hot-pluggable and MSA-compliant
- Supports low-latency server and switch links
- Durable copper construction
- Zero additional power requirement
- Backed by Black Box quality assurance




Write a Review