Cisco QSFP-H40G-CU2M – 40G Passive Copper Cable (QSFP+ DAC)
Overview of Cisco QSFP-H40G-CU2M Cable
The Cisco QSFP-H40G-CU2M is a 40 Gigabit QSFP+ Passive Copper Cable (DAC) designed for high-speed, short-distance connectivity in data centers and enterprise networks. With a 2-meter length, this cable is ideal for linking switches, servers, and storage devices within racks or between adjacent racks. Its passive copper design delivers reliable performance with low latency and energy-efficient operation.
This cable is widely used in 40G Ethernet deployments, leaf-spine network architectures, and environments where cost-effective, high-bandwidth connectivity is needed without the complexity of optical transceivers.
Key Features of Cisco QSFP-H40G-CU2M
- 40G High-Speed Connectivity – Supports 40 Gigabit Ethernet performance
- 2 Meter Length – Perfect for rack-to-rack and short-range connections
- Passive Direct Attach Copper (DAC) – Cost-effective and low-power cabling solution
- QSFP+ to QSFP+ Interface – Compatible with Cisco and other QSFP+-enabled network devices
- Plug-and-Play Installation – Easy setup with no configuration required
- Low Latency & High Reliability – Ensures stable data transfer in mission-critical networks
Cisco QSFP-H40G-CU2M Specifications Table:
| Specification | Details |
|---|
| Part Number / Model | Cisco QSFP-H40G-CU2M |
| Cable Type | Passive Direct Attach Copper Cable (DAC) |
| Standard / Protocol | 40GBASE-CR4, IEEE 802.3ba compliant |
| Connector Type | QSFP+ to QSFP+ |
| Supported Data Rate | 40 Gbps (up to ~41.2 Gbps per some specs) |
| Cable Length | 2 meters |
| Media / Construction | Twinax copper cable (passive) |
| Power Consumption | ~1.5 W |
| Operating Temperature | 0 °C to 70 °C (32 °F to 158 °F) |
| Storage Temperature | -40 °C to 85 °C (-40 °F to 185 °F) |
| Pull Tab Color | Brown |
| Compliance / Standards | QSFP+ MSA (SFF-8436), RoHS compliant; IEEE 802.3ba |
| Typical Use Case | Short-reach 40 Gb Ethernet connections between switches/servers in racks/data centers |
Why Choose Cisco QSFP-H40G-CU2M?
The Cisco QSFP-H40G-CU2M cable offers a high-performance, low-cost solution for short-range 40G connectivity. It is an excellent alternative to fiber optic solutions when distance requirements are within the 2-meter range. Benefits include:
- ✔ Lower cost compared to fiber optics
- ✔ Reduced power consumption
- ✔ Plug-and-play simplicity
- ✔ Reliable performance for high-traffic environments
This cable is ideal for data centers, cloud infrastructure, and enterprise network backbones that require robust and efficient 40G links.
Best Applications
- Data Center Switch-to-Switch Connectivity
- Server-to-Switch High-Speed Links
- Leaf-Spine Network Architecture
- High-Performance Computing (HPC) Environments
- Enterprise Core and Aggregation Layers
Cisco QSFP-H40G-CU2M Price in Bangladesh
The price of the Cisco QSFP-H40G-CU2M 40G Passive Copper Cable in Bangladesh varies based on stock availability and supplier pricing. As an enterprise-grade networking cable, it offers a balance of high performance and affordability for 40G deployments.
- Contact Datacom Technologies BD for the latest price and stock availability in Bangladesh.
Where to Buy Cisco QSFP-H40G-CU2M in Bangladesh
You can purchase the
Cisco QSFP-H40G-CU2M cable from
Datacom Technologies BD, a trusted supplier of Cisco networking products in Bangladesh.
We offer:
- 100% genuine Cisco cables and accessories
- Competitive pricing
- Fast delivery across Bangladesh
- Technical support for network deployment
Conclusion
The Cisco QSFP-H40G-CU2M 40G Passive Copper Cable is a reliable, cost-effective solution for short-range 40G connectivity in data centers and enterprise networks. With its high performance, low latency, and ease of use, it’s an excellent choice for modern high-bandwidth infrastructure.
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