09/16/2026 8:38 a.m.
https://cablematic.com/en/products/gembird-05m-high-speed-male-to-female-extension-hdmi-cable-with-ethernet-v20-GB421/

Gembird 0.5m High Speed Male to Female Extension HDMI Cable with Ethernet V2.0

REF: GB421
Specifications
  • High-quality HDMI cable with a length of 0.5 meters.
  • It is designed to provide a first-class audio and video connection to any device with an HDMI connector.
  • Made of durable and robust materials to ensure a secure connection and optimal data transmission.
  • Connector 1: HDMI type A (Standard) male and connector 2: HDMI type A (Standard) female.
  • It supports a maximum resolution of 4096 x 2160 pixels and a data transfer rate of up to 18 Gbit/s.
More info
PVP
4.82
Price including VAT: 4.82
PVD
3.88
2 years
warranty
14 days
returns
100%
safe


We will notify you when it is back in stock.
More info
Specifications
  • High-quality HDMI cable with a length of 0.5 meters.
  • It is designed to provide a first-class audio and video connection to any device with an HDMI connector.
  • Made of durable and robust materials to ensure a secure connection and optimal data transmission.
  • Connector 1: HDMI type A (Standard) male and connector 2: HDMI type A (Standard) female.
  • It supports a maximum resolution of 4096 x 2160 pixels and a data transfer rate of up to 18 Gbit/s.

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More info

High-quality HDMI cable with a length of 0.5 meters. It is designed to provide a first-class audio and video connection for all devices that use an HDMI connector. The cable is made of durable and robust materials to ensure a secure connection and optimal data transmission. Connector 1 is HDMI type A (Standard) male and connector 2 is HDMI type A (Standard) female. This cable supports a maximum resolution of 4096 x 2160 pixels and a data transfer rate of up to 18 Gbit/s. Audio Return Channel (ARC) allows audio to be transmitted from a TV to an external device, such as a sound bar. The cable is 3D compatible and is available in a black color. This is an ideal solution for connecting a TV, projector, game console, Blu-ray player, and a wide range of HDMI devices. Manufactured by Gembird, with reference CC-HDMI4X-0.5M.

Specifications
  • High-quality HDMI cable with a length of 0.5 meters.
  • It is designed to provide a first-class audio and video connection to any device with an HDMI connector.
  • Made of durable and robust materials to ensure a secure connection and optimal data transmission.
  • Connector 1: HDMI type A (Standard) male and connector 2: HDMI type A (Standard) female.
  • It supports a maximum resolution of 4096 x 2160 pixels and a data transfer rate of up to 18 Gbit/s.
  • Audio Return Channel (ARC) allows audio to be transmitted from a TV to an external device, such as a sound bar.
  • 3D compatible.
  • black colour.
  • Ideal for connecting a TV, projector, game console, Blu-ray player and other HDMI devices.

  • Gross Weight: 52 g
  • Product size (width x depth x height): 14.0 x 7.0 x 2.0 cm
  • Number of packages: 1
  • Packages size: 14.0 x 7.0 x 2.0 cm

Technical terms

  • Gbps
  • HDMI
Gbps

Gbps (Gigabits per second) is a unit of data transfer rate equal to one billion bits per second.

In telecommunications and network engineering, Gbps defines the bandwidth capacity of fiber optic infrastructures (FTTH) and core backbones. This metric quantifies the effective throughput of a communication channel, enabling massive packet transfer without link saturation. Implementation at the physical layer requires high-speed interfaces like Gigabit Ethernet to manage digital signaling and ensure data flow integrity across the network nodes.

UnitTechnical Equivalence
1 Gbps (bits)1,000,000,000 b/s
1 Gbps (Megabits)1,000 Mb/s

Bandwidth Management and Network Capacity

A 1 Gbps link allows for efficient service segmentation via VLANs and traffic prioritization through QoS, supporting data-intensive real-time protocols without encountering bottlenecks at the hardware level.

Advantages of Gigabit Connectivity

  • Significant reduction in latency for critical applications.
  • Support for multiple concurrent 4K/8K video streams.
  • Enhanced cloud synchronization and backup speeds.
  • Seamless scalability for IoT device density.

Gbps is the primary performance indicator in modern broadband and enterprise networking.

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