Cisco QSFP-100G-CU1M Compatible 100G QSFP28 Passive DAC Twinax Cable - 1m

This third-party 100G QSFP28 passive twinax DAC cable is fully compatible with Cisco QSFP-100G-CU1M and offers a reliable, low-cost alternative for short-reach intra-rack connections in data centers, enterprise networks, and AI/HPC environments.

Engineered to MSA standards, it delivers 100Gbps bandwidth (4x25Gbps lanes) with minimal power consumption and zero signal degradation over 1 meter. Backed by our lifetime warranty and rigorous testing—save significantly vs. OEM without compromising performance.

Key Features

• Cost-Effective Alternative: 70-90% savings vs. genuine Cisco—ideal for scaling networks on a budget.
• Plug-and-Play: Hot-pluggable QSFP28 connectors with pre-programmed EEPROM for seamless Cisco compatibility.
• Low Power & Latency: Passive design (<0.5W consumption) for energy-efficient, high-speed links.
• Lifetime Warranty: Fully tested in real-world environments.
• Use Cases: Intra-rack switch-to-switch, server-to-switch, or GPU node connections in AI clusters and hyperscale data centers.

Technical Specifications

• Data Rate: 100Gbps (100GBASE-CR4, 4x25Gbps NRZ)
• Connectors: QSFP28 to QSFP28
• Length: 1 meter (3.3 ft)
• Cable Type: Passive Twinax Copper (typically 30AWG)
• Power Consumption: <0.5W
• Operating Temperature: 0°C to 70°C
• Standards Compliance: IEEE 802.3bj, SFF-8665, SFF-8636, MSA compliant

Compatibility

Programmed for full compatibility with Cisco Nexus 9000/3000 series, Catalyst switches, and other QSFP28 platforms. Also works with multi-vendor environments including:

• Arista 7050X/7280R/7500R series
• Juniper QFX5200/5700
• Mellanox/NVIDIA switches
• Broadcom-based systems (MSA compliant)

Need a different length, breakout version, or bulk quote? Contact us—we source hard-to-find interconnects fast.