40Gbps Copper Network Patch Cord

　　The 40Gbps copper network patch cord represents the cutting edge of copper-based networking, designed to meet the extreme bandwidth demands of hyperscale data centers, AI infrastructure, and high-performance computing (HPC) clusters. Unlike 10Gbps copper cords that struggle with the data deluge of next-gen applications—such as real-time big data analytics, AI model training, and 16K video streaming—40Gbps copper cords deliver an unparalleled 40 Gigabits per second, albeit over shorter distances (up to 30 meters). This makes them ideal for short-haul, high-density setups like connecting ToR switches to EoR switches or linking HPC nodes in dense server pods, where fiber optics may be overkill or too costly.

　　Built to Cat8 or Cat8.1 specifications, the 40Gbps copper cord features four twisted pairs of 22AWG or 23AWG copper conductors with an extremely tight twist rate (TPI: 30–35). This aggressive twisting pattern, paired with a triple-shielded design (S/FTP: Screened/Foil Twisted Pair with an outer metal braid), eliminates virtually all interference: inner foil shielding blocks crosstalk between pairs, a middle braided shield deflects external EMI/RFI, and an outer shield provides an extra layer of protection. This is critical in hyperscale data centers, where thousands of cables operate in close proximity, and even minor interference can disrupt 40Gbps signals. The copper conductors are ultra-high-purity oxygen-free copper (OFC) or silver-plated copper, minimizing signal attenuation to ≤4.0 dB at 2000 MHz and ensuring consistent 40Gbps performance over the full 30-meter range.

　　The outer jacket is a rugged, industrial-grade LSZH material that withstands extreme temperatures (-40°C to 85°C), oil, moisture, and physical impact—essential for the harsh conditions of data centers. Connectors are precision-engineered, shielded RJ45 with 24K gold-plated contacts and a solid metal housing, designed to maintain the cord’s shielding integrity and ensure zero signal loss at the connection point. These connectors are backward-compatible with lower-category cords (Cat6/Cat6a/Cat7), allowing data centers to upgrade gradually without replacing existing switches.

　　Compliant with TIA/EIA-568-C.2-1 and ISO/IEC 11801-1:2017, the 40Gbps copper patch cord is compatible with 40GBASE-T switches, transceivers, and HPC nodes. It is available in short lengths (1–30 meters) optimized for rack-to-rack runs and color-coded (typically black or dark gray) for easy identification. For organizations pushing the boundaries of digital innovation, this cord is a critical enabler, delivering fiber-like speed over cost-effective copper.

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