Cisco QSFP-100G-CU1M – 100G QSFP28 Direct Attach Copper Cable Overview
The Cisco QSFP-100G-CU1M 100G QSFP28 Direct Attach Copper Cable (DAC) is a high-performance, low-latency connectivity solution designed for short-distance 100 Gigabit Ethernet links. This Cisco-compatible DAC cable is widely used in modern data centers, enterprise networking, cloud infrastructure, and high-speed server interconnects.
It delivers reliable 100G data transmission, energy efficiency, and cost-effective connectivity, making it an ideal choice for scalable network expansion in Bangladesh.
Full Specifications of Cisco QSFP-100G-CU1M DAC Cable
| Parameter | Specification |
|---|
| Product Name | Cisco QSFP-100G-CU1M |
| Type | 100G QSFP28 Direct Attach Copper (DAC) |
| Form Factor | QSFP28 to QSFP28 |
| Data Rate | 100 Gbps (4 × 25G lanes) |
| Cable Type | Passive Copper Twinax |
| Cable Length | 1 meter |
| Connector Type | QSFP28 on both ends |
| Supported Standard | 100GBASE-CR4 (IEEE 802.3bj) |
| Power Consumption | ~1.5W (very low power) |
| Wire Gauge (AWG) | ~30 AWG (typical DAC) |
| Operating Temperature | 0°C to 70°C (Commercial) |
| Storage Temperature | -40°C to 85°C |
| Minimum Bend Radius | ~33–35 mm |
| Cable Jacket Type | PVC / OFNR |
| Modulation | NRZ |
| Lane Configuration | 4 × 25G electrical lanes |
| Management / DOM | Not supported |
| FEC Requirement | Required on host switch |
| Use Case Distance | Short reach (in-rack / adjacent rack) |
| Compliance | QSFP28 MSA, IEEE 802.3bj, RoHS |
Best Applications of Cisco 100G QSFP28 DAC Cable in Bangladesh
The Cisco QSFP-100G-CU1M is widely used in:
- Data centers and cloud computing environments
- Enterprise core and aggregation networks
- High-speed server-to-switch connectivity
- Storage area networks (SAN)
- Telecom and ISP backbone infrastructure
- High-performance computing (HPC) clusters
In Bangladesh, this cable is ideal for IT companies, ISP providers, and large enterprise networks requiring ultra-fast 100G connectivity.
Easy Installation Guide for QSFP-100G-CU1M Cable
Installing the Cisco QSFP28 DAC cable is simple and does not require special tools:
- Power off the network device (recommended for safety)
- Insert both QSFP28 ends into compatible ports
- Ensure the connectors click firmly into place
- Power on the device
- Verify link status through network monitoring system
This plug-and-play design ensures quick deployment and minimal downtime.
Compatibility of Cisco QSFP-100G-CU1M DAC Cable
This 100G DAC cable is compatible with a wide range of Cisco networking equipment, including:
- Cisco Nexus Series Switches
- Cisco Catalyst 9000 Series
- Cisco ASR Routers
- Cisco Data Center Switches supporting QSFP28 ports
Always ensure firmware compatibility for optimal performance.
Where to Buy Cisco QSFP-100G-CU1M in Bangladesh
Buy Cisco QSFP-100G-CU1M from Datacom Technologies (BD).
In Bangladesh, you can get original Cisco DAC cables from
Datacom. We have a large collection of the latest 100G QSFP28 cables and networking solutions available for purchase. Order online or visit our Datacom shop at Elephant Road, Dhaka to get the best price. The Cisco QSFP-100G-CU1M is available with a 1-year warranty.
Why Choose Datacom Technologies (BD)?
- 100% Original Cisco Products
- Competitive Price in Bangladesh
- Fast Delivery Across the Country
- Expert Technical Support
- Large Stock of Networking Equipment
- Trusted IT Hardware Supplier in Dhaka
Explore More Networking Products
Looking for more high-speed networking solutions?
Visit our store to explore:
- 10G / 40G / 100G Transceivers
- QSFP28 & SFP Modules
- Fiber optic cables and accessories
- Cisco networking equipment
Upgrade your network infrastructure with Datacom Technologies (BD) for reliable and high-performance solutions.