{"product_id":"8k-4k-fiber-active-optic-hdmi-2-1-cable-40ft-high-speed-48gbps","title":"8K 4K Fiber Active Optic HDMI 2.1 Cable 40ft - High Speed 48Gbps","description":"\u003cp\u003eOur review of the 8K 4K Fiber Active Optic HDMI 2.1 Cable 40ft explains why this long fiber HDMI cord is aimed at gamers and AV installers who need lossless, long-distance HDMI transmission. The bottom line: it delivers stable high-resolution video over a 12m run using fiber optics and smart chips, making it a practical choice when copper cables struggle. For anyone wiring a living room display, projector, or gaming monitor where distance or weight matters, this cable solves signal degradation while supporting the latest HDMI 2.1 features.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal 8K Fiber Optic:\u003c\/strong\u003e Converts digital signals to optical for long-distance, lossless transmission up to the stated 40ft with a max resolution of 7680x4320.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHDMI 2.1 48Gbps:\u003c\/strong\u003e The ultra high speed bandwidth supports 8K@60Hz and 4K@120Hz so modern game consoles and high-refresh displays can perform without bottleneck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Feature Support:\u003c\/strong\u003e Handles Dynamic HDR10, 12-bit color, eARC and Dolby Vision for richer image and audio compatibility with modern AV equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirectional Smart Chips:\u003c\/strong\u003e The cable uses smart chips to convert to and from optical signals, so correct orientation of source and display ends is critical for operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable, Lightweight Build:\u003c\/strong\u003e Zinc alloy shells with anti-oxidant plating and gold contacts, plus a thin PVC fiber body that is lighter and more flexible than copper alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with standard HDMI ports and is backward compatible with older HDMI versions for use with a broad range of devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cable is best for console gamers, PC users and home theater owners who need a reliable 12m HDMI run without signal loss; the support for 4K@120Hz and 8K@60Hz makes it particularly attractive for PS5, current GPUs and high-refresh monitors. Installers and commercial displays that require thin, lightweight cabling over longer distances will also appreciate the fiber construction.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for users who need a reversible or bi-directional cable, since the fiber design is one-way directional and must be plugged with the correct source and display ends. If you only need a short indoor run under 10ft and prefer simpler passive copper cables, a standard copper HDMI cable may suffice.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports high bandwidth 48Gbps for 8K@60Hz and 4K@120Hz content with stable transmission over 40ft.\u003c\/li\u003e\n\u003cli\u003eThin, lightweight construction is easier to route and install than bulky copper cables.\u003c\/li\u003e\n\u003cli\u003eSupports advanced features like eARC, Dynamic HDR10 and Dolby Vision for modern AV setups.\u003c\/li\u003e\n\u003cli\u003eBroad backward compatibility with older HDMI versions and many device types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne-way directional operation requires correct end orientation, which may confuse some users during setup.\u003c\/li\u003e\n\u003cli\u003eFiber optic design means it is not a simple passive copper cable replacement for very short runs where directionality is irrelevant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003eFiber optic HDMI 2.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e40ft \/ 12m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Resolution\u003c\/td\u003e\n\u003ctd\u003eUp to 7680 x 4320 (8K)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e48Gbps (HDMI 2.1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Modes\u003c\/td\u003e\n\u003ctd\u003e8K@60Hz, 4K@120Hz, 2K@240Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eDynamic HDR10, 12-bit, eARC, Dolby Vision, VRR, HDCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Shell\u003c\/td\u003e\n\u003ctd\u003eZinc alloy with gold-plated contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 40ft fiber optic HDMI 2.1 cable is a solid choice for anyone needing a lightweight, long-distance HDMI connection that preserves high-resolution and high-refresh signals. It offers modern AV features and broad compatibility, making it good value for gamers and installers who prioritize signal integrity across longer runs, provided they observe the directional plug requirement.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cable bi-directional?\u003c\/strong\u003e\u003cbr\u003eThe cable is one-way directional and uses smart chips to convert signals, so the correct end must be plugged into the source and the other end into the display.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work with older HDMI devices?\u003c\/strong\u003e\u003cbr\u003eYes, it is backward compatible with older HDMI versions and will carry 4K and lower signals to legacy devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support eARC and HDR?\u003c\/strong\u003e\u003cbr\u003eYes, the cable supports eARC, Dynamic HDR10 and Dolby Vision where those features are supported by the connected devices.\u003c\/p\u003e","brand":"LAN-SAINTKAY","offers":[{"title":"Default Title","offer_id":48716843614427,"sku":"B0DST7G13F","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61nFDVHasjL._SL1500_503cf36a-a9f3-4de0-90d7-9c55201d43dd.jpg?v=1778804177","url":"https:\/\/gearmusthave.com\/products\/8k-4k-fiber-active-optic-hdmi-2-1-cable-40ft-high-speed-48gbps","provider":"GearMustHave","version":"1.0","type":"link"}