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Cable Leader - Ultra High-Speed 8K HDMI 2.1 Fiber Optic Cable AOC, 48Gbps Plenum CMP-Rated UL for Commercial 8K Display Runs - Black

Model: HM121-1135
SKU: 12605593

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About This Item

Wiring an 8K commercial display, conference room 8K wall, or 4K@120Hz simulator above a return-air plenum ceiling — and copper HDMI 2.1 can't carry 48 Gbps past 10 ft, while CL3 fails plenum fire code? NEC requires CMP plenum-rated cabling for return-air spaces, and copper HDMI 2.1 simply doesn't reach the distances commercial AV needs. This Ultra High-Speed 8K HDMI 2.1 Plenum Fiber Optic AOC solves both: glass fibers carry the full 48 Gbps over long runs, and the UL Listed CMP jacket meets NEC code for installation in air-handling spaces. Built with multi-fiber optical construction, gold-plated HDMI connectors, and a UL Listed Plenum CMP-rated jacket. Compatible with PS5, Xbox Series X/S, RTX 30/40 series GPUs, 8K commercial displays, 4K@120Hz simulator setups, eARC AV receivers, and any HDMI 2.1 device — directional cable: the SOURCE end must connect to the source device. Supports 8K@60Hz, 4K@120Hz, dynamic HDR, VRR, ALLM, eARC at up to 48 Gbps. Best for: commercial 8K above-ceiling installs, 4K@120Hz simulator centers, and high-end conference AV. Not for: outdoor exposure. RoHS compliant.
  • Key Specs
    • Cable Length: 35 feet
    • HDMI Cable Type: Ultra High Speed HDMI Cable
    • Connector Type (End 1): HDMI Type A
    • Gender (End 1): Male
    • Connector Type (End 2): HDMI Type A
    • Gender (End 2): Male
    • In-Wall Rated: true
    • Conductor Material: Copper
    • Jacket Material: Plenum
  • General
    • Brand: Cable Leader
    • Model Number: HM121-1135
    • Product Name: Ultra High-Speed 8K HDMI 2.1 Fiber Optic Cable AOC, 48Gbps Plenum CMP-Rated UL for Commercial 8K Display Runs
    • Color: Black
    • Quantity: 1
  • Connectivity
    • Cable Type: HDMI
    • Cable Length: 35 feet
    • Product Type: Cable
    • HDMI Cable Type: Ultra High Speed HDMI Cable
    • Connector Type (End 1): HDMI Type A
    • Generation/Version: HDMI 2.1
    • Gender (End 1): Male
    • Connector Type (End 2): HDMI Type A
    • Gender (End 2): Male
  • Environmental
    • In-Wall Rated: true
    • Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
  • Material
    • Conductor Material: Copper
    • Connector Plating: Gold
    • Jacket Material: Plenum
  • Other
    • UPC: 840529928122

Wiring an 8K commercial display, conference room 8K wall, or 4K@120Hz simulator above a return-air plenum ceiling — and copper HDMI 2.1 can't carry 48 Gbps past 10 ft, while CL3 fails plenum fire code? NEC requires CMP plenum-rated cabling for return-air spaces, and copper HDMI 2.1 simply doesn't reach the distances commercial AV needs. This Ultra High-Speed 8K HDMI 2.1 Plenum Fiber Optic AOC solves both: glass fibers carry the full 48 Gbps over long runs, and the UL Listed CMP jacket meets NEC code for installation in air-handling spaces. Built with multi-fiber optical construction, gold-plated HDMI connectors, and a UL Listed Plenum CMP-rated jacket. Compatible with PS5, Xbox Series X/S, RTX 30/40 series GPUs, 8K commercial displays, 4K@120Hz simulator setups, eARC AV receivers, and any HDMI 2.1 device — directional cable: the SOURCE end must connect to the source device. Supports 8K@60Hz, 4K@120Hz, dynamic HDR, VRR, ALLM, eARC at up to 48 Gbps. Best for: commercial 8K above-ceiling installs, 4K@120Hz simulator centers, and high-end conference AV. Not for: outdoor exposure. RoHS compliant.

  • Commercial 8K Above-Ceiling Runs — CMP Plenum + Full 48 Gbps: Wiring an 8K display in a commercial space with a return-air plenum ceiling? NEC 800.179 requires CMP-rated cabling there, and copper HDMI 2.1 can't carry 48 Gbps past 10 ft regardless. Glass-fiber AOC delivers full 48 Gbps over 100+ ft, and UL Listed CMP jacket meets the fire code — both problems solved in one cable.
  • Full 48 Gbps — 8K@60Hz, 4K@120Hz, VRR, ALLM, eARC: Rated to HDMI 2.1 with the full 48 Gbps bandwidth. Carries 8K Ultra HD at 60Hz, 4K@120Hz, dynamic HDR (HDR10+, Dolby Vision), Variable Refresh Rate, Auto Low Latency Mode, eARC for high-bitrate audio, and 4:4:4 chroma sub-sampling. Built for 8K commercial displays, simulator centers, and conference AV.
  • Works with PS5, Xbox, RTX GPUs, 8K Displays — Directional: Compatible with PS5, Xbox Series X/S, NVIDIA RTX 30/40 series, AMD Radeon RX 6000/7000 series, 8K commercial displays, 4K@120Hz simulator/training setups, eARC AV receivers, and HDMI 2.1 media players. Quick check: 150 ft commercial plenum 8K — Yes; residential in-wall — Yes (or use cheaper CL3 AOC); outdoor — No; runs over 150 ft — see longer SKU.
  • Multi-Fiber Core, UL Plenum CMP Jacket, Gold Connectors: Multi-fiber optical core carries the full 48 Gbps over distance. UL Listed Plenum CMP-rated jacket meets NEC fire code for return-air air-handling spaces. Gold-plated 19-pin HDMI 2.1 connectors with reinforced strain relief resist pull-through during long ceiling pulls. Bend radius rated for commercial ceiling installs.
  • Sample-Tested Production — Cable Leader Direct Support: Each cable is sample-tested during production for fiber continuity, full 48 Gbps signal integrity, and Plenum CMP jacket compliance. UL Listed and manufactured to RoHS environmental standards. If a cable arrives defective or stops working in normal use, Cable Leader handles replacement requests directly — no manufacturer redirects.
Whats Included
  • 1x Cable Leader Ultra High-Speed 8K HDMI 2.1 Fiber Optic Cable AOC, 48Gbps Plenum CMP-Rated UL for Commercial 8K Display Runs (35ft)
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Cable Leader - Ultra High-Speed 8K HDMI 2.1 Fiber Optic Cable AOC, 48Gbps Plenum CMP-Rated UL for Commercial 8K Display Runs - Black
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Wiring an 8K commercial display, conference room 8K wall, or 4K@120Hz simulator above a return-air plenum ceiling — and copper HDMI 2.1 can't carry 48 Gbps past 10 ft, while CL3 fails plenum fire code? NEC requires CMP plenum-rated cabling for return-air spaces, and copper HDMI 2.1 simply doesn't reach the distances commercial AV needs. This Ultra High-Speed 8K HDMI 2.1 Plenum Fiber Optic AOC solves both: glass fibers carry the full 48 Gbps over long runs, and the UL Listed CMP jacket meets NEC code for installation in air-handling spaces. Built with multi-fiber optical construction, gold-plated HDMI connectors, and a UL Listed Plenum CMP-rated jacket. Compatible with PS5, Xbox Series X/S, RTX 30/40 series GPUs, 8K commercial displays, 4K@120Hz simulator setups, eARC AV receivers, and any HDMI 2.1 device — directional cable: the SOURCE end must connect to the source device. Supports 8K@60Hz, 4K@120Hz, dynamic HDR, VRR, ALLM, eARC at up to 48 Gbps. Best for: commercial 8K above-ceiling installs, 4K@120Hz simulator centers, and high-end conference AV. Not for: outdoor exposure. RoHS compliant.

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Cons for Cable Leader - Ultra High-Speed 8K HDMI 2.1 Fiber Optic Cable AOC, 48Gbps Plenum CMP-Rated UL for Commercial 8K Display Runs - Black
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