QSFP-100G-CU1M Cisco 1M 100GBASE-CR4 QSFP28 Passive Copper DAC Cable

This 1-meter passive copper cable is built for reliable 100 Gigabit Ethernet connections within data centers. It links QSFP28 ports directly, making it a straightforward choice for short-range communication between switches, servers, and storage devices.

Often found in high-performance computing environments, the cable supports tight rack-to-rack or within-rack connections where speed and low latency are essential. Network engineers and IT professionals working to optimize data center setups typically use this cable to ensure efficient, cost-effective connectivity.

Key Features

• Provides direct QSFP28 to QSFP28 connectivity without extra transceivers
• Supports 100GBASE-CR4 standard for high-speed data transfer
• Consumes less power compared to active cables or optical modules
• Designed for up to 1 meter cable runs within racks or between adjacent racks
• Durable build ensures stable performance in dense networking environments

In practice, this cable is commonly deployed in data centers where short distances separate high-speed networking equipment. It helps maintain signal integrity and reduces complexity by eliminating the need for additional optical hardware. Its straightforward design plays a key role in achieving reliable, high-bandwidth connections in compact spaces.