HDMI 2.1 Cable
- 48Gbps Bandwidth: Certifies full 8K@60Hz, 4K@120Hz, 4K@240Hz performance.
- Dynamic HDR & eARC: Supports Dolby Vision/HDR10+ for stunning visuals and lossless audio (Dolby Atmos) through eARC.
- VRR & ALLM Gaming: This enables Variable Refresh Rate and Auto Low Latency Mode to deliver a tear-free, fast-response gameplay experience.
- Durable Build: Aluminum connectors, nickel plating, and nylon braiding provide extreme durability and EMI shielding.
- Wide Compatibility: PS5, Xbox Series X, Apple TV 4K, 8K TVs, and Hi-End AV equipment
- Certification: This certification type was introduced to guarantee certified signal integrity with the HDMI 2.1 spec, having been officially tested
- Assortment of Models: Presents braided, ultra-slim, and right-angle options for virtually every installation requirement.
- B2B: Bulk/OEM Purchase with Custom lengths and branding directly from the factory.
HDMI 2.1 Cable: The Ultimate ultra high speed 8K/4K connectivity Solution!
The cable is the most important and often-overlooked component in a professional B2B landscape, where AV system reliability translates to operational success. Our HDMI 2.1 Cable is designed to eliminate this point of failure. Not just an accessory, but a certified infrastructure connection built to maximize future display, gaming console, media player, and production hardware. This is also a verified HDMI 2.1 cable that delivers the full 48Gbps bandwidth needed for uncompressed 8K@60Hz and smooth 4K@120Hz video, making it the ultimate digital videotape workhorse you’ll want for all your signage net jobs, industry floorboardsense studios, and top domestic theater setups.
This Ultra High-Speed HDMI Cable goes beyond the constraints of HDMI 2.0 and unleashes an innovative array of functionality. It accommodates the imaging precision of Dynamic HDR scene-by-scene, eARC for lossless object-based audio from sound bar systems, and two gaming-centric features: VRR (Variable Refresh Rate) and ALLM (Auto Low Latency Mode). The cable is built in a variety of industrial-strength configurations, from heavy-duty nylon-braided versions suited to permanent installations to super-slim right-angled models for wall-mounted displays with minimal spacing. With more than two decades of experience in direct factory production, we offer these high-performance cables in bulk at highly competitive prices, along with full OEM/ODM customization to provide your business with a dependable, scalable source of professional-quality connectivity.
Click here to learn about how to choose the right HDMI 2.1 Cable.
1# Similar Products Show & Comparison of HDMI 2.1 Cable
- Type of housing: Aluminum alloy double-end connector for long-lasting mechanical behavior and corrosion resistance
- Wire Jacket: Protected with a tightly woven nylon braided sheath for enhanced abrasion and wear protection.
- Wire Diameter: A hefty 6.5mm thick, providing balance in signal integrity and durability
- Cable Length: Choose from multiple lengths (0.5m/1m/1.5m/1.8m/2m/3m and 5 m) for a variety of application installations
- Features & Application: Designed for ultra-durable, professional-grade performance and longevity, this cable is perfect for permanent audiovisual racks, digital signage applications, and rugged commercial environments where reliability is critical.
2# Similar Products Show & Comparison of 8K HDMI Cable
- Connector Housing: PVC with a high-quality, soft but durable body construction.
- Wire Jacket: Covered with a pliable but tough PVC that protects the internal wires while maintaining flexibility.
- Thin-profile: At 6.0 mm in diameter, this delivers solid stability against inter-signal transmission while maintaining flexibility.
- Cable Length: Available in shorter lengths of 0.15 meters, 0.6 meters, and 1.8 meters for short-distance connections
- Features & Application: Ideal for space-saving, home big-screen wall-mounted TV, and computer monitor back-position installation, thanks to the right/left/up/down angle connectors.
3# Similar Products Show & Comparison of Slim HDMI 2.1 Cable
- Connect housing: Made from lightweight, durable PVC molding for a strong and long-lasting connector body.
- Wire Jacket: Wrapped in a smooth PVC jacket that keeps it slim and sleek.
- Wire Diameter: Slender 4.0mm diameter makes for a dainty weight that adds minimal bulk and makes it easier to use.
- Cable Length: The cable comes in 0.3 meters, which is very short for close connections.
- Features & Application: The slim design of the right, left, up, and down-angle connectors makes it a perfect choice for setups with minimal space, as well as for compact laptops and docking stations. Angle connectors allow for more flexible installation in tight spaces.
4# Similar Products Show & Comparison of Ultra-Slim HDMI 2.1 Cable
- Premium Aluminum Alloy: Ensures high quality, elegance, and ruggedness.
- Wire Jacket: A PVC jacket encloses your wires but is flexible enough to provide form shielding while keeping the cable slim.
- Wire Diameter: This exceptionally thin 2.5mm wire defeats the mechanical limitations of any cable management system.
- Cable Length: Available in 0.6m and 1.2m lengths to suit different installation scenarios.
- Features & Application: The cable, which is extremely thin and highly conductive, allows people to easily route it through conduits or hide it behind furniture without being cluttered. Angles include up-, down-, right-, and left-angle connectors to provide maximum flexibility in tight or awkward spaces.
5# Similar Products Show & Comparison of Ultra-Soft HDMI 2.1 Cable
- Connector Housing: Sturdy PVC molded housing, fastened to be both robust and lightweight as well.
- Wired Jacket: Covered by silicone, very flexible, and difficult to knot.
- Wire Diameter: A touch thicker at 3.8mm to maintain softness without sacrificing durability.
- Cable Length: Various cable lengths from 1 meter, 1.5 meters, 2 meters, or even up to 2.5 meters, which are suitable for a wide variety of portable applications.
- Features & Applications: The cable is known for its extreme flexibility, tangle-free performance, and suitability for portable applications, professional presentations, and equipment that is often moved or reconfigured. Also comes with angle connectors for right, left, up, and down for greater usability in dynamic environments.
48Gbps Ultra High Speed
Technically, you are based on a core specification of 48Gbps bandwidth. HDMI 2.1 cable. This tremendous data rate is the key feature of today’s top-quality video signals. Future-proofed for the 8K revolution, it enables lossless 8K (7680 x 4320) signal transmission at full frequency, smooth-running 60Hz/60fps, with an image four times the pixel density of standard 4K, zero compression, and no signal degradation. That is a whopping 2.6x performance leap over the previous HDMI 2.0 standard (18 Gbps). Such headroom also opens up ultra-forged gaming and media tech, including Quick Frame Transport (QFT) for near-instantaneous display updates as well as Variable Refresh Rate (VRR); the latter wrangles the refresh rate of the panel to match the output of the GPU, killing screen tearing — making it even lower perceived latency in all but imperceptible motion for competitive esports and fast-action media.
Dynamic HDR & eARC
The visual and audio immersion—beyond just raw resolution—that comes with the premium experience. Dynamic HDR Support: Our cable fully supports Dynamic HDR standards, including HDR10+ and Dolby Vision. This technology, unlike static HDR, adjusts the contrast, brightness, and color metadata on a per-scene (or per-frame) basis to reveal breathtaking detail in shadows and highlights with 12-bit color depth, providing incredibly realistic imagery. The EARC (enhanced audio return channel) is also a game-changer for audio. This enables your television to deliver lossless, high-bitrate audio formats (object-based Dolby Atmos and DTS:X) over a single cable directly to your soundbar or AV receiver, freeing you from a second optical connection while maintaining the audio stream’s integrity. This system also features full support for the new HDCP 2.3 copy protection, so you can always play back all protected 4K and 8K content (from streaming services and Ultra HD Blu-ray players).
Enhanced Durability
Data centers and commercial installations require components that can endure heavy use. That environment is precisely the one our flagship HDMI 2.1 Cable was designed for. In this case, it comes with a ruggedized aluminum alloy enclosure that protects the internal connectors from abuse and EMI/RFI interference. The connectors are designed to provide superior corrosion resistance and high-cycle reliability with nickel plating. The cable is dressed with a high-density nylon braided jacket that offers outstanding abrasion, cut, and tangle resistance. We perform 25,000+ bend-cycle tests to assess material construction and ensure that internal conductors do not fail under extreme stress and that signals remain intact as they travel through them. Then you are trying very hard to reduce TCO (total cost of ownership). This is such an important metric for integrators—especially in VERY high-cost situations where a cable failure is a major loss.
Wide Compatibility
With the great diversity characterizing the world of technology we operate in today, versatility is important. Compatible with Most Modern Source/Display Devices: Our Ultra High-Speed HDMI Cable is designed for universal plug-and-play compatibility with everyday source and display devices. Connecting to next-gen consoles with ease, it supports the full 4K@120Hz and VRR features of the PlayStation 5 and Xbox Series X/S. It’s ideal for media streamers (Apple TV 4K, Roku), high-end computers (the recent Mac mini with M-series chips and gaming PCs), and Blu-ray players and AV receivers. It is completely compatible with 8K and 4K smart TVs (Samsung, LG, Sony, TCL), professional monitors (and high-lumen projectors) for display. Flexibility like this means it is the only cable you will ever need to upgrade any room in the future, from a corporate boardroom to your luxury home theatre.
Certified Performance & Future-Proofing
Investing in cabling infrastructure is a long-term commitment. It is a full 48Gbps spec-compliant Ultra High-Speed HDMI Cable, certified through rigorous compliance testing by the HDMI Forum. This certifies that the cable will fully deliver on the advertised resolutions, refresh rates, and features. Not just HDMI 2.1 compatible, but confirmed as such in action. This future-proofs your installation, as new content moves it to the next level and protects your hardware investment. A performance-certified cable for digital signage networks, broadcast control rooms, and premium residential integration ensures the cable will never be a bottleneck in your high-definition signal chain.
Quality Control
BespokeCable implements a multi-step quality assurance process to test the performance of every 8K HDMI 2.1 Cable. At our ISO 9001:2015-certified factory, we conduct strict testing from raw material inspection through final shipping. Before production, every batch of high-purity copper conductors and exclusive shielding materials is tested. The most important is the high-bandwidth integrity test, in which every completed cable undergoes a 48Gbps signal stress test. It confirms compliance with the HDMI 2.1 Cable 48Gbps specification, ensuring the reliable transmission of lossless video signals such as 8K@60Hz and 4K@120Hz. All cables also undergo physical endurance tests, including bend cycles and connector insertion/extraction cycles, to determine whether they’re durable enough for the rigors of commercial and tough home-theater environments. A full end-to-end verification guarantees that Ultra High Speed certification really isn’t a label, but rather a standard of performance you can count on.
Customization Options
We are not your supplier; we are your manufacturing partner. Our unlimited support is provided through Complete OEM/ODM Services, enabling B2B clients to manufacture 8K HDMI Cables for PS5 and other applications as per their needs. In addition to our typical lengths of 0.5m to 5m, we can create cables in any length required for the installation environment. From various jacket colors for proper program identification to low-profile or right-angle connector housings that allow cable installation behind wall-mounted televisions, we can also provide company logo and serial number printing on the cable jacket. It does not matter if you are a system integrator out there who requires a bulk order of an Ultra-Slim HDMI 2.1 Cable or a gaming peripheral brand seeking to bundle an 8K HDMI 2.1 Cable that is co-branded; our engineering team can create and manufacture any solution that fits your devices, packaging, and brands seamlessly.
Customer Feedback
“For the new corporate esports lounge, we needed cables capable of withstanding the peak of PS5 and Xbox Series X operation: 4K at 120Hz with VRR. The 8K HDMI Cable for PS5 that you will find at BespokeCable. It was a plug-and-play setup with an immediate and unbreakable handshake. It is wrapped in a thick nylon braiding, with metal connectors that feel upscale and have stood up to everyday use by members. Best of all, we have had none of the signal drop or ‘sparkles’ that we experienced with our previous cables. Naturally, the HDMI 2.1 Cable 48Gbps spec is the genuine article. Since then, we have used these cables in all of our higher-end gaming stations and presentation rooms. – Enterprise Information Technology and Facilities Manager, Corporate Entertainment Group.
HDMI 2.1 allows a much higher bandwidth (up to 48Gbps compared to HDMI 2.0’s 18Gbps), which enables features including video/audio support of up to [email protected]/60Hz, [email protected] /120Hz; Dynamic HDR; eARC/Dolby Atmos enhanced Audio Return Channel; Variable Refresh Rate VRR & Auto Low Latency Mode (ALLM). Our HDMI 2.1 Cable is designed to be fully future-proof, ensuring compatibility and optimal performance with future devices and audiovisual technologies.
Yes, very much so. This is a certified Ultra High Speed HDMI Cable — it passed compliance tests for the highest HDMI 2.1 specifications. This certification provides assurance that the cable can consistently deliver high-bandwidth applications, such as flawless 8K video at 60Hz and 4K video at 120Hz, for unmatched picture quality and performance.
Absolutely. This is the ideal HDMI 2.1 cable for next-gen consoles like PlayStation 5 and Xbox Series X, with full support for advanced features including 4K@120Hz, VRR, and ALLM to ensure ultra-smooth, ultra-responsive play without screen tearing or input lag.
Enhanced Audio Return Channel (eARC) is an advanced HDMI feature that supports high-resolution or uncompressed audio formats, including new immersive surround sound standards such as Dolby Atmos and DTS:X, from the TV to your soundbar/AV receiver via a single HDMI cable. You have everything connected via HDMI, meaning no extra optical audio cable and a much more seamless setup with superior fidelity and connectivity.
Dynamic HDR technologies (HDR10+, Dolby Vision, etc.), however, intelligently modulate brightness, contrast, and color values on a scene-by-scene or frame-by-frame basis, rather than applying a static set of values throughout an entire video as done with traditional static HDR. When writing this level of detail into the image as output, it creates a wonderfully lifelike picture across a wide range of brightness and color depth, visually enriching the viewer’s experience by accurately preserving the original creative intent in tonal mapping across large swathes of the video.
The maximum recommended length for our regular HDMI cable models is 5m to ensure signal integrity and full-bandwidth performance up to 48Gbps across the entire channel. Please contact us for custom solutions and active optical cable options to maintain signal integrity over long distances.
We have several 8K HDMI Cable product types to choose from (Slim, Ultra-Slim, and Ultra-Soft), and you can order them with your choice of 90-degree angled connector direction: Up, Down, Left, or Right. Ideal for tight installation spaces with limited clearance behind displays, these angled connectors provide flexible, easy cable management.
Yes, our HDMI 2.1 cables are well-designed for commercial and industrial applications, with durable aluminum housings and braided nylon construction to withstand harsh environments. These cables are designed to withstand numerous plugging and unplugging cycles and resist the forces encountered during installation, ensuring reliability and performance over time.
We are 100% confident that our manufacturing process, from quality to craftsmanship, is a cut above the rest. To learn more about specific warranty terms, such as those for OEM orders or bulk electronic Product purchases, please contact our dedicated B2B sales team, who can assist with all business requirements.
Of course, we strongly recommend that business clients test the quality and performance of our products before placing bulk orders. Specimens are obtainable through B2B inquiries—proving ground to substantiate expectations and project needs based on our cables.
Variable Refresh Rate (VRR), also known as FreeSync and G-Sync, pairs your display’s refresh rate with your source’s frame rate, virtually eliminating screen tearing for an incredibly smooth experience, and is mainly geared toward gaming. The data transmission required for VRR necessitates an Ultra High-Speed HDMI Cable that meets the HDMI 2.1 specifications.
Of course, the nylon braid offers better abrasion resistance, cut- and kink-protection, and significantly improves the cable’s service life in harsh environments.
Absolutely. We are a factory providing OEM/ODM services. We provide custom lengths, colors, and private logo/packaging for wholesale projects.
Generally, the MOQ depends on the level of customization. For your own custom quote, please reach out to our sales team with the details.
Yes, HDMI Cables that include Ethernet (known as HDMI High Speed with Ethernet) support HEC, which allows a shared network connection between devices over the HDMI link; however, they are rarely used.
We accept T/T (Bank Transfer), PayPal, and L/C.
Standard bulk orders usually ship within 7-10 business days. Custom OEM orders could take 8-10 days and are subject to service time.
Yes, all of our HDMI cables have gold-plated connectors to maximize signal transfer and provide corrosion resistance.
Verification (Ultra High Speed HDMI) provides you with certainty that the cable has passed independent testing to meet the advertised specs (48Gbps). But lower-quality cables can falter when passing high-resolution, high-refresh-rate content.
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Case Sharing: How we solved 8K Digital Signage Grid Instability using Certified HDMI 2.1 Cables?
In a corporate studio: high-stakes control room upgrade
The Tough Challenge: As the lead AV integrator for a major financial institution’s new trading floor, we faced a problem — how to deploy an enormous 8K video wall to serve as the nerve center for real-time global market data. The client’s bottom line was inflexible; however, 8K resolution for clarity in complex charts and zero signal dropouts or latency were required. The original installation first tried (as many do) inexpensive “high-speed” HDMI cables, and it did not take long for their shortcomings to become apparent. We would get crispy black screens during the heaviest data loads, random “sparkles” (signal artifacts), and could only hold an 8K@60Hz refresh rate with poor consistency (Real-time data visualization requires consistency). It turned out that unreliable cabling had been a bottleneck in the entire multi-million-dollar visualization system.
An Official 48Gbps Bandwidth: The Bespokecable Solution
Solving this convoluted problem was an incremental but highly engineered quality upgrade to Bespokecable’s Ultra High Speed HDMI 2.1 Cables, chosen not by marketing hype or clever-sounding names, but decisively by specific technical specifications and actual performance metrics. One critical requirement for us was the full 48 Gbps bandwidth, because we couldn’t afford any compressed pixels in our uncompressed 8K at 4:4:4 chroma subsampling. By contrast, the previous generic cables deployed in those environments were subjected to rigorous certification proving they conformed to the HDMI 2.1 spec — an absolute must in a mission-critical control room, where downtime can result in tens of thousands of dollars in direct costs and immediate operational difficulties.
Technical Implementation & Performance Gains
The installation used BespokeCable’s 8K HDMI 2.1 cable in recommended lengths of 3 meters and 5 meters to ensure strong connections between the media servers and a video wall processor. The results were immediate and measurable, significantly increasing both system stability and performance:
- Outlaw of Signal Loss: The certified 48Gbps Ultra High-Speed HDMI Cable delivers an unrivaled stable & reliable handshake protocol, eliminating annoying black-screen flashes and signal loss during dropouts that have infamously undermined the reliability of the original setup.
- Visual Fidelity: With support for Dynamic HDR technology, high-contrast financial charts, heat maps, and other high-value visual data were rendered with perfect clarity—at a rich 12-bit color depth—enabling analysts to identify subtle patterns amid the noise with greater ease and accuracy.
- eARC For Clarity: While delivering superb native 4K video display functionality was the core disease each design challenge was chasing throughout the project, the Enhanced Audio Return Channel (eARC) capability quickly showed itself as a key enabler for client internal briefing and communications systems by allowing high-fidelity lossless audio signals to be sent back from displays without forcing additional, disparate audio cabling infrastructure.
Long-Term Reliability & B2B Value
However, as technicians worked quickly to resolve immediate technical issues, the pretense of long-term durability and resilience became critical to the value proposition of these cables. Their nylon-braided jacket/common aluminum alloy casing have shown superior abrasion resistance, enabling them to withstand numerous reconfigurations and complex cabling management in under-floor conduit systems without compromising their initial performance. From our AV integration perspective, the availability of customized cable lengths and OEM options from Bespokecable is a phenomenal operational benefit, allowing us to standardize on a single, reliable HDMI 2.1 48 Gbps SKU. This part standardization simplifies deployment across a wide variety of high-end commercial applications, from advanced finance trading floors to large 8K digital signage networks deployed in adaptive retail settings.
Conclusion
If you are a professional audiovisual integrator or a B2B client in the process of deploying ultra-high-res displays (or next-gen gaming setups requiring perfect 4K@120Hz or 8K@60Hz performance), a certified Ultra High Speed HDMI Cable is an essential piece of core infrastructure, not just an accessory. This project most definitely showed that trying to save money with half-assed cabling can ruin the whole performance and reliability of a visualization pipeline. BespokeCable provided a solid, high-bandwidth solution that alleviated current performance bottlenecks and future-proofed the client’s multimillion-dollar technology investment, ensuring continued operational excellence.
A Professional Guide for AV Integrators
On the surface, plugging in an HDMI 2.1 Cable seems like a simple enough BYO task, but for B2B clients and professional audiovisual installers, calibrating a precise HDMI connection is critical to achieve top performance through the full 48Gbps bandwidth lossless capacity needed for high-bandwidth, high-refresh-rate use scenarios such as seamless 8K Ultra HD resolution. Our in-depth guide describes the preferred installation method to ensure no signal loss, optimal functionality, and long-term reliability for demanding commercial applications.
Step 1: Verification & Cable Selection Prior to Installation
Make sure both your source (media player, gaming console, PC) and display (TV, projector, monitor) support the HDMI 2.1 standard before running any cables, and that your peripherals are compatible. On Xbox Series X or top-end gaming PCs, UHD Cable must be certified as Ultra High Speed to support 4K@120Hz and VRR.
- Pick the Right Length: The basic rule is to choose a length that provides a small service loop behind the equipment. Avoid tight pulls. The 8K HDMI Cable 6ft is our recommendation for standard rack-to-display setups where tidy cabling is desired, along with simple routes, or the longer run of the 8K HDMI Cable 10ft will offer more route flexibility in complex routing.
- Cable Inspection: Permanently installed systems would benefit from a Braided Certified 8K HDMI Cable, as its enhanced durability and kink-resistant design are better suited for such applications. Inspect the connectors for any physical damage before installing.
Step 2: Routing & Cable Management Practices
When routing, be careful not to route too close together, as over longer distances, this can cause signal degradation.
- Stay Away From Sharp Bends: Do not bend the cable at sharp 90-degree angles, especially near the connectors. HDMI has thin inner wires, and a gentle radius is critical. Ultra-Soft HDMI 2.1 Cable. Our softest HDMI cable yet, designed for tight spaces, saps up to 48Gbps bandwidth from heavy-duty coax cables
- Avoid Confluence: Run the line from the 8K HDMI cable away from power cords, electrical conduits, and AC power supplies to avoid electromagnetic interference (EMI). If you have to cross power lines, try to do so at a right angle.
- Do Not Overtighten: When applying cable ties, do not cinch them too tightly. It can crush the internal shielding solely to change the cable’s impedance, which can result in a loss at 8K.
Step 3: Establishing a Connection and Setting it Up
- Connect firmly: Insert the connector straight into the port until it clicks into position. If it feels forced, do not force it. If you need something for installations with new-generation low-profile connectors, check out our Slim HDMI 2.1 Cable!
- Activate Extra Capabilities: After connecting your cables, navigate to the display setup menu (usually) and turn on the Enhanced HDMI or HDMI Deep Color option. Directly for Xbox Series X 8K HDMI Cable: Please go to the console Video settings, choose the best gaming experience as 4K UHD 3 or higher (260 Hz and above) resolution, and ensure Allow Variable Refresh Rate is on.
Step 4: Testing & Troubleshooting
Always perform a full signal integrity test after installation to verify that the connection is good and stable.
- Test the signal: Play an 8K video or ensure the source device is outputting full 4K at 120Hz to rigorously check for visual artifacts, including screen flicker, dropouts, or pixelation. In the event of any issues, try using a shorter cable length or an Active HDMI Cable—the latter is designed to maintain signal strength beyond 5 meters.
- Verify HDCP 2.3 Compliance: Ensures that all devices in the signal chain are fully compliant with HDCP 2.3, which is required for protected playback of streaming and digital sources of 8K content
Should you adhere strictly to these professional-quality installation procedures, your HDMI 2.1 infrastructure should deliver nothing less than pristine 8K Ultra HD video quality and high-fidelity audio performance, as it was painstakingly designed for. If you need large commercial projects with special-length Video & Audio Cables for a specific Installation Environment, please contact our expert team for OEM and ODM services tailored to your specifications.
Related Products:
- DisplayPort Cable – Designed for high-performance PC-to-monitor connections to maximize bandwidth and refresh rates.
- Optical Audio Cable – A cable optimized for HDMI by offering a specific lossless audio connection that, in most cases, creates even better sound quality.
- Coaxial Digital Audio Cable – A common alternative high-fidelity audio interconnect with no reflection loss, suited to professional audio applications where signal integrity is assured.
