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Dark Metal 8K HDMI 2.1 Active Optical Cable

An 8K HDMI 2.1 active optical cable with dark metal connector housings. Both ends are printed 8K and marked Source and Display, so the direction is obvious before you plug anything in. Fiber carries the signal over the long run, which is what you want when the screen is a long way from the source.

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This cable is the dark metal version of our 8K HDMI 2.1 active optical cable. The housings are a brushed dark metal, shorter and slimmer than the molded plastic type, with a black strain-relief boot where the cable enters. Both ends carry a big printed “8K”, plus a smaller “Source” on one end and “Display” on the other. It is directional. The Source end goes into the player, console or PC. The Display end goes into the TV or projector. Fitted the other way round, you get no picture — so check the printing before you run it through a wall or conduit. The video signal travels over fiber for the long stretch of the cable. That is the point of an active optical cable: the picture holds up over runs where a passive copper cable would start to fail, and the fiber section is less bothered by interference from nearby power cables and equipment.

On the numbers: the housings are marked 8K, and the source material lists versions rated up to 48 Gbps, 8K at 60 Hz and 4K at high refresh rates. Those figures only apply to the validated cable version, used with HDMI 2.1 source and display equipment that supports them. Cable length is not stated in the source material — confirm the length you need before ordering.

Key Facts / Specs

  • Connector housings: dark metal, clearly marked Source and Display ends
  • Connector type: directional HDMI Type-A (source) to HDMI Type-A (display)
  • Housing marking visible in the photo: “8K” on both ends, “Source” and “Display”
  • Signal path: hybrid optical (active optical conversion for the long segment)
  • Version-dependent performance (source TXT, conditional): versions rated up to 48 Gbps, 8K at 60 Hz and 4K at high refresh rates — only with compatible HDMI 2.1 equipment and the validated cable version
  • Cable length: not stated in the source material
  • HDCP / HDR / ARC / CEC: not stated for this model in the source material

Compatibility

  • Standard HDMI Type-A sockets: TVs, projectors, monitors, games consoles, media players, PCs and AV receivers
  • Directional — the Source end must go into the source device and the Display end into the display.
  • 8K / high-refresh performance depends on the source, the display and the validated cable version all supporting it.

Application Scenarios

  • 8K display links in home theater
  • 4K high-refresh gaming setups
  • Large-format presentation systems
  • Long equipment-rack-to-display connections
  • Commercial AV and digital signage
  • Control and visualization rooms

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