News — DAC Cable
Passive DAC Cable Distance Limits: When You Need AOC Instead
How far can a passive DAC cable really run at 25G, 100G, or 400G? Here's the max reliable length before you need an active optical cable (AOC) instead.
DAC Cable No Link? Fix 25G/100G FEC Mismatches (2026 Guide)
Why won't your 25G or 100G DAC cable link up? It's usually a FEC mismatch, not a bad cable. Here's how to diagnose and fix it across Cisco, Juniper, Arista, Ubiquiti, MikroTik, and Fortinet.
100G QSFP28 DAC Cables for AI Homelab Clusters: The ConnectX Cable Guide (2026)
Which 100G DAC cable actually works for a ConnectX-based AI homelab cluster? Here's the exact part number, lengths, and compatibility details for linking your nodes.