top of page
R.3 4K High Speed with Ethernet round cables

R.3 4K High Speed with Ethernet round cables


R.3 Series Rack-Optimised 4K60 HDR HDMI Cables


R.3 Series Passive HDMI Cable

Unrivalled connectivity never replicated in the market. The world's most shielded HDMI cable that eliminates signal dropouts with an industry-leading success rate of 99.99%.


Kordz - making Predictable Reliability possible

Kordz is a globally recognised, multi award-winning specialist cable brand. Committed to a high standard of practical, graceful design and superior manufacturing, we deliver quality products around the world. We strive for predictable reliability, a core concept and experience of our industry-leading products, engineered to be fast, effective and more robust.

  • Product outline

    Kordz R.3 is our most robust installation HDMI cable, designed for electrical signal preservation and engineered for tight spaces as well as high electrical noise to protect critical HDMI signals. A unique combination of advanced features and materials delivers unrivalled installation performance and reliability. High-tech assembly and vacuum infra-red soldering minimise signal drop-outs, while nitrogen foam polyethylene insulation ensures the highest dielectric constant for digital transmission. With high flexibility and shallow insertion depth, the Kordz R.3 HDMI Cable can be easily maintained on racks with staunch connection and reflexivity that opens new installation design possibilities.

    Used in space missions, military and medical settings, and iconic international events, the Kordz R.3 HDMI Cable is a significant component for critical signals and engineered to deliver maximum commercial uptime.

    Why Installers choose the R.3

  • Application

    The Kordz R.3 features:

    • Anti-fatigue, die-cast zinc alloy connectors tested to ≥1,000 cycles & 2kg retention force
    • Double fully enclosed casings and unique copper wire annealing technique allows for twist rate responsiveness while relieving device socket pressure
    • 100% of units tested for zero Bit Error Rate (BER) @ 340Mcsc, <0.05% in-field failure rate
    • Precision rack fit lengths between 0.3m – 3.0m in 0.3m increments, 3.6m – 5.4m lengths in 0.6m increments
    • High bandwidth solid OFC conductors and induction soldered pin transitions for benchmark inter-terminal uniformity
    • Halogen-free cable construction
    • DPL certified 4K 18G-DC
    • Available in 14 lengths from 0.3m to 5.4m. 
    • Kordz’ signature product performance and Lifetime Warranty.
  • Technical info


    HDMI CTS Certification: High Speed with Ethernet
    DPL Labs Certified Data Rate: 6.0Gbpsc, 17.82Gbps aggregate (4K UHD)
    HDMI Clock: 27-340MHz


    Primary Conductors: Solid 32/28AWG OFC, length dependant
    Insulation on TMDS: Foamed PE/Polyolefin
    Insulation on 4C + HEAC Pairs: Foamed PE/Polyolefin
    Shielding on TMDS Pairs: Al/Mylar
    Shielding Overall: Al/Mylar + CU 90% coverage braid
    Cable Jacket: Halogen-free TPE, black 4.8mm ∅
    HDMI Connector Shell: Anti-fatigue die cast Zn alloy, 1μ” 24K Gold plated
    HDMI Connector Pins: Solid OFC, 15μ” 24K Gold plated
    Termination: Contactless IR induction soldering
    HDMI Backshell: Al anodised front with Halogen-free TPE strain relief


    Cable Diameter: 0.3m – 2.7m: 32 AWG, 4.8mm/0.19”ø | 3.0m – 5.4m: 28 AWG, 6.5mm/0.22” ø Mounting Depth: 0.3m – 2.7m: 32 AWG, 47.0mm/1.85”ø | 3.0m – 5.4m: 28 AWG, 54.0mm/2.13”ø
    Cable Bend Radius: 0.3m – 2.7m: 32 AWG, 20.0mm/0.79”ø | 3.0m – 5.4m: 28 AWG, 27.0mm/1.06”ø
    Retention Force (nom): 20N (approx 2kg / 4.4lbs) +10/-5%


    Video Format Support  – Data rate per channel / Aggregate, TMDS Bandwidth

    480i/p, 576i/p: ≤ 540Mbpsc/1.62Gbps, 270MHz
    720p/1080i: 742.5Mbpsc/2.22Gbps, 371.25MHz
    1080p – 8-bit RGB/YCbCr 4:4:4, 10/12-bit 4:2:2 or 4:2:0:
     – 742.5Mbpsc/2.22Gbps, 371.25MHz
    50/59.94/60 – 1.485Gbpsc/4.455Gbps, 742.5MHz
    3D-24/30 – 1.485Gbpsc/4.455Gbps, 742.5MHz
    3D-50/60 – 2.97Gbpsc/8.91Gbps, 1.485GHz
    1080p – 10/12/16-bit RGB/YCbCr 4:4:4:
    50/59.94/60fps – 1.86-2.97Gbpsc/5.57-8.91Gbps, ≤ 1.485GHz
    2160p (UHD/4K)
    HDMI 1.4b – 8-bit RGB/YCbCr 4:4:4, 10/12-bit 4:2:2 or 4:2:0:
    4096x2160p/24 (SMPTE) – 2.97Gbpsc/8.91Gbps, 1.485GHz
    3840x2160p/23.98/24/29.97/30 – 2.97Gbpsc/8.91Gbps, 1.485GHz
    HDMI 2.0 – 8-bit YCbCr 4:2:0:
    2160p*/50/59.94/60 – 2.97Gbpsc/8.91Gbps, 1.485GHz
    HDMI 2.0Mode – 8-bit 4:4:4, 10/12-bit 4:2:2 or 16-bit 4:2:0:
    2160p*/50/59.94/60-2D 9CEA-861-F – 5.94Gbpsc/17.82Gbps, 2.97GHz
    2160p*30-3D – 5.94Gbpsc/17.82Gbps, 2.97GHz
    VESA Graphics: Supports all as defined by HDMI 2.0 specification, up to 17.82Gbps
    Color Spaces: RGB, YCbCr, xvYCC, Adobe sRGB, sYCC601, ITU-BT.2020
    Audio Formats Support: PCM 2.0-7.1, DD/DTS HD 7.1, 3D Audio (10.2 | 22.2 | 30.2ch
    HDMI Audio Return Channel: Supported, System Dependant

  • Warranty

    Kordz R.3 HDMI comes with our Lifetime Warranty that promises maintained product function and performance for your lifetime.

  • Datasheet

bottom of page