HDFO2001
Overview:
The Ultra Slim Certified HDMI 2.1 Cable is designed for those who demand both performance and convenience. This cable is not only certified to support 8K@60Hz and 4K@120Hz resolutions with a 48Gbps bandwidth, but it also features an ultra-slim, lightweight design that makes it incredibly easy to handle and transport. Whether you're setting up a home theater, gaming console, or professional AV system, this HDMI 2.1 cable delivers top-tier performance while being exceptionally easy to use and store. The gold-plated connectors ensure optimal signal transmission and corrosion resistance, while the OFC (Oxygen-Free Copper) conductor guarantees minimal signal loss.
Key Features:
Specifications:
Applications:
What is the Difference with Standard HDMI?
Please email me for the clear certification document
Ultra Slim HDMI 2.1 Cable – 8K@60Hz / 4K@120Hz / 48Gbps / 3.6mm OD
Overview
This ultra slim HDMI 2.1 cable features a 3.6mm outer diameter, making it much thinner and lighter than standard HDMI cables. It's easy to route through tight spaces, ideal for wall-mounted TVs, cable management, and travel setups. Fully supports 8K@60Hz and 4K@120Hz resolutions with 48Gbps high-speed bandwidth, ensuring smooth transmission for gaming, streaming, and home theater systems.
Features
1.Ultra Slim and Lightweight (OD 3.6mm)
Compared with typical HDMI 2.1 cables (OD6.0–8.0mm), this cable is slim, flexible, and perfect for users who need a compact and portable HDMI solution for 8K displays or gaming monitors.
2.Works with All HDMI Devices
Compatible with Apple TV 4K, Roku, PS5, PS4, Xbox Series X, HDMI switchers, projectors, soundbars, and 8K TVs. Ideal for setups where space is limited or cable flexibility is important.
3.Gold-Plated Connectors + Durable Strain Relief
24K gold-plated connectors provide stable signal transfer and corrosion resistance. Anti-break design improves durability and longevity, even with frequent bending or unplugging.
4.Dynamic HDR and eARC Support
Delivers vivid colors, sharp contrast, and high-quality audio. Supports advanced HDMI 2.1 features like Dynamic HDR and Enhanced Audio Return Channel (eARC), compatible with Dolby Atmos and DTS:X systems.
5.8K and 4K Gaming Ready
Handles 8K@60Hz and 4K@120Hz video with full 48Gbps bandwidth. A great choice for gamers looking for a high-performance HDMI cable for PS5 or next-gen consoles.
1. What is the difference between Ultra Slim HDMI 2.1 and regular HDMI 2.1 cables?
Ultra Slim HDMI 2.1 cables have a thinner outer diameter (around 3.6mm–4.5mm) and are more flexible than standard HDMI 2.1 cables. They are easier to install in tight spaces while still supporting full 48Gbps bandwidth, 8K resolution, and all HDMI 2.1 features.
2. Are Ultra Slim HDMI 2.1 cables as reliable as thicker HDMI 2.1 cables?
Yes, a well-constructed Ultra Slim HDMI 2.1 cable delivers the same performance as a thicker version. They support 4K@120Hz, 8K@60Hz, eARC, and VRR, as long as the internal materials and shielding meet HDMI 2.1 specifications.
3. What resolution and refresh rate does Ultra Slim HDMI 2.1 support?
Ultra Slim HDMI 2.1 cables support up to 8K@60Hz, 4K@120Hz， HDR10+, Dolby Vision, and full 48Gbps bandwidth, making them ideal for gaming, streaming, and high-end AV systems.
4. Can Ultra Slim HDMI 2.1 cables handle Variable Refresh Rate (VRR) and ALLM?
Yes, they support VRR, ALLM, and QFT for smoother gameplay and lower latency, especially with next-gen consoles and gaming monitors.
5. Are these cables compatible with Dolby Atmos and eARC?
Yes, they fully support eARC, allowing uncompressed audio formats like Dolby TrueHD and DTS-HD Master Audio, as well as Dolby Atmos passthrough.
6. What is the maximum recommended length for Ultra Slim HDMI 2.1 cables?
Ultra Slim HDMI 2.1 cables are recommended up to 2 meters for full 48Gbps performance
7. Are Ultra Slim HDMI 2.1 cables backward compatible with HDMI 2.0 or 1.4 ports?
Yes, HDMI 2.1 cables are fully backward compatible and will work with older HDMI 2.0, 1.4, and 1.3 devices.
8. Can I use Ultra Slim HDMI 2.1 cables with PS5, Xbox Series X, or NVIDIA RTX GPUs?
Yes, these cables are ideal for PS5, Xbox Series X/S, and high-end graphics cards like NVIDIA RTX 4080/4090, supporting 4K@120Hz and advanced gaming features.
9. Do these cables work with Apple TV 4K and other streaming devices?
Yes, Ultra Slim HDMI 2.1 cables support 4K HDR streaming on Apple TV 4K, Roku Ultra, NVIDIA Shield, and similar devices.
10. What makes an HDMI 2.1 cable “Ultra Slim”?
It has a thinner outer jacket and more flexible insulation, with a typical diameter under 4.5mm. These cables are lightweight and easy to bend, ideal for tight installations or minimal visibility.
11. Are these cables flexible enough for wall-mounted TVs or tight spaces?
Yes, they are highly flexible and support a tight bend radius of around 30mm, making them great for wall-mounts or cable management in AV racks.
12. What materials are used in Ultra Slim HDMI 2.1 cables?
We use tinned copper conductors, triple shielding for EMI protection, and a soft yet durable PVC outer jacket.
13. Are Ultra Slim HDMI 2.1 cables certified?
Yes, our cables are HDMI 2.1 certified through HDMI Forum ATCs and support 48Gbps transmission. Certification is available for 0.5m, 1m, 1.5m, and 2m lengths.
14. Do these cables support HDCP 2.3 and future content standards?
Yes, they support HDCP 2.3, ensuring compatibility with 4K and 8K streaming services, Blu-ray players, and content protection systems.
15. How can I confirm a cable truly supports HDMI 2.1 48Gbps?
Check for HDMI 2.1 certification, full 48Gbps bandwidth listing, and key specs like 8K@60Hz, 4K@120Hz, VRR, and eARC. All our cables are tested to meet or exceed these standards.
How to Choose the Right HDMI 2.1 Cable?
HDMI 2.1 cables may look similar on the outside, but internal materials and specifications make a big difference in performance, certification, and price. Chinese factories typically work on same margins---the real cost variation comes from raw materials and specification.
To choose the right cable, please consider the following:
1. What Type of Connector Housing Do You Need?
• Molding: Basic one-piece plastic, cost-effective but limited durability and shielding.
• ABS: Stronger plastic shell with better resistance to heat and impact.
• Aluminum Shell: Lightweight, improves EMI shielding and heat dissipation.
• Zinc Alloy: Premium metal case with superior durability and shielding.
🟡 Recommendation:
Cost Ranking: Molding < ABS < Aluminum < Zinc Alloy
Market Preference: Aluminum shells offer the best balance of performance and cost for most applications, while zinc alloy is preferred for professional AV installations.
2. Which Plug Type Best Suits Your Needs?
• Standard HDMI A to A: Most common, works with all standard HDMI ports.
• Snug-Fit A to A: Tighter grip for stable connection, great for gaming or mobile setups.
🟡 Recommendation:
Cost Ranking: Standard < Snug-Fit
Market Preference: Snug-Fit connectors are increasingly popular for gaming setups and portable devices where connection stability is crucial.
3. Do You Have a Special Request for Gold Plating?
• Standard Gold (0.5-1μm): Basic protection for daily use.
• 3μm Gold: Thicker layer for stronger corrosion resistance and longer life.
🟡 Recommendation:
Cost Ranking: Standard < 3μm
Market Preference: 3μm gold plating is only used when specifically requested by clients, as standard gold plating suffices for most applications.
4. What Conductor Material Do You Prefer?
• CCS (Copper-Clad Steel): Budget-friendly but higher resistance.
• Solid Bare Copper: Stable signal, lower loss, but less flexible.
• Stranded Tinned Copper: Flexible and durable, ideal for thin or high-end cables.
🟡 Recommendation:
Cost Ranking: CCS < Solid Copper < Stranded Tinned Copper
Market Preference: We currently do not produce CCS for HDMI 2.1. Our standard HDMI 2.1 uses solid bare copper, while Ultra Slim and Fiber Optic HDMI 2.1 cables use stranded tinned copper.
5. Do You Need Certified or Non-Certified Cables?
• Non-Certified (Only pass 8K TV image test): Uses lower AWG (thinner conductors) Supports 8K@60Hz 4:2:0 (compressed color format with reduced bandwidth)
Structure AWG: 1-3m:30AWG / 5m:28AWG / 7-10m:26AWG.
Advantages: Lower cost, basic 8K compatibility for TVs and home use.
Limitations: Not suitable for full-bandwidth content.
• Certified (Pass HDMI2.1 Eye patten and Simplaylabs 890 testing) - True 8K: Uses higher AWG (thicker conductors) Ensures full HDMI 2.1 compliance with 48Gbps bandwidth Supports 8K@60Hz 4:4:4 (uncompressed format with full color fidelity)
Structure AWG: 1-2m:30AWG / 3m:28AWG / 5m:26AWG / 7-8m:24AWG.
Advantages: Guarantees full color depth, sharper text, stable signal for demanding applications likegaming monitors ,8k editing setups ,or professional AV ,
🟡 Recommendation:
Cost Ranking: Non-Certified < Certified (30AWG < 28AWG< 26AWG< 24AWG)
Market Preference: Certified cables are essential for professional applications requiring full 4:4:4 color, while non-certified options work for basic 4:2:0 home theater use.
6. What Outer Jacket Material Do You Prefer?
• PVC: Basic flexible jacket, suitable for general use.
• CL3-Rated PVC: Fire-resistant for in-wall installations (typically used for cables over 5m unless requested otherwise).
• Nylon Braided: Tougher surface, tangle-free, looks premium.
• Cotton Mesh: Soft-touch luxury option with good flexibility.
🟡 Recommendation:
Cost Ranking: PVC < CL3 PVC < Nylon < Cotton
Market Preference: Nylon braided jackets are most popular for retail packaging due to their premium appearance and durability.
Why Choose Us
• Certified for All Lengths (1M-8M): Few HDMI factories in China are certified for multiple cable lengths.
• Official Supplier to MONSTER CABLE: We manufacture 4K and 8K HDMI cables for MONSTER CABLE.
Final Step
To help us recommend the best HDMI 2.1 cable for your project, please either:
Specify your preferences for each of the above features, or
Share your target price, and we'll suggest the most optimized configuration that meets your budget and performance requirements.
We're ready to provide a customized, professional solution tailored to your specific market and usage needs.
Ultra High Speed HDMI® Cable Certification Program
The HDMI 2.1b Specification includes a new cable - the Ultra High Speed HDMI® Cable. It’s the only cable that complies with stringent specifications designed to ensure support for all HDMI 2.1b features including uncompressed 8k@60 and 4K@120. The cable’s increased bandwidth capability supports up to 48Gbps.
The Ultra High Speed HDMI Certification Program is a mandatory certification program for all Ultra High Speed HDMI Cables; and ensures quality Ultra High Speed HDMI Cables reach the market and support 4K and 8K video, HDR, VRR, eARC, and all other HDMI 2.1b features. Cables are also required to be tested and certified to ensure low EMI to reduce the possibility of interference with wireless networks, streaming media players, Bluetooth devices and mobile phones.
All certified cables of any length must pass certification testing at an HDMI Forum Authorized Testing Center (Forum ATC). Once certified, cables will be required to affix an Ultra High Speed HDMI Certification Label to each package or unit of sale enabling consumers to verify the certification status of the product.
To identify the cable, make sure the packaging displays the required Ultra High Speed HDMI Certification Label shown above. Please note the label includes the official Cable Name Logo printed on it. The name is also required to appear on the outer cable jacket itself. To verify the cable has been tested and certified in compliance with the HDMI 2.1b Specification, the label can be scanned by the HDMI Cable Certification app available on the Apple App Store, Google Play Store and other Android app stores.
New HDMI Cable Certification Labels
The HDMI Cable Certification Program supporting Ultra High Speed HDMI Cables is changing to a new generation (Gen 2) label. The original Gen 1 labels in the market will continue to be supported with the proprietary scanning app for the immediate future. Please note that consumers will be seeing two versions of the labels and they use different scanning apps. Please download the informational brochure for complete details here 
Shopping for the HDMI Cables Just Got Easier
Shopping for HDMI® Cables can be confusing. Resellers may use a variety of marketing terms and may not use the official HDMI Cable name designations, and many websites may recommend cables only based on receiving affiliate payments. And worst of all – some cables are counterfeits.
The Verification Banners are an optional add-on to the existing HDMI Cable Certification Program. The website banners enable consumers to verify the certification status of cables while shopping on manufacturer and reseller websites. The Verification Banners can be either clicked or scanned, displaying the brand name, model number and length - the same as when scanning the physical Certification Labels affixed to the cable packaging.
For more information 
For more information on the Ultra High Speed HDMI Certification Program please refer to the FAQs below.
Continuous Auditing Ensures Continuous Compliance and Performance
In order to ensure a UHS Cable stays in compliance to the specification over its product life, we purchase cables in stores and online marketplaces and send them in for testing to Forum ATCs. If a cable fails, the adopter has a chance to correct manufacturing issues or else no further certification labels can be ordered for that cable. However, if a cable passes, the adopter receives a letter confirming it is has passed the compliance audit and the label’s scan result also confirms the audit pass. This enables resellers and consumers to confirm continuous compliance.
What is an Ultra High Speed HDMI Cable?
The Ultra High Speed HDMI Cable is the first cable defined by the HDMI Forum. Ultra High Speed HDMI Cables comply with stringent specifications designed to ensure support for high resolution video modes such as 4Kp50/60/100/120 and 8Kp50/60 as well as new features such as eARC and VRR. Ultra High Speed HDMI Cables exceed the requirements of the latest international EMI standards to significantly reduce the probability of interference with wireless services such as Wi-Fi.
Is the Ultra High Speed HDMI Cable a Category 3 cable?
Yes
Do Ultra High Speed HDMI cables support 48 Gbps?
Yes
Is this cable required for delivering HDMI 2.1b Specification features?
The cable is the best way to ensure that high-bandwidth dependent features are delivered, including the enhanced video and audio performance, while ensuring the new EMI requirements are met.
Can I use the Ultra High Speed HDMI Cable with HDMI 2.1b or HDMI 1.4b products?
Yes. Ultra High Speed HDMI cables support all HDMI 2.1b and 1.4b features.
Should I buy this cable if I have a 1080p or 4K television?
Installations with 1080p or 4K displays can benefit by using the new Ultra High Speed HDMI cables. The new cable is tested to ensure low EMI to reduce the possibility of interference with wireless networks, streaming media players, Bluetooth devices and mobile phones. Also, for those who install the cables in inaccessible locations such as inside walls, the new cable provides a future-proof solution.
What cable(s) do I need to make use of the eARC feature?
Ultra High Speed HDMI Cables are designed to support the new eARC feature in addition to the highest resolution video modes. The Standard HDMI Cable with Ethernet and the High Speed HDMI Cable with Ethernet will also support eARC.
Will existing HDMI High Speed Cables deliver the HDMI 2.1b features also?
Existing HDMI High Speed Cables with Ethernet can only deliver some of the new features, and the new Ultra High Speed HDMI Cable is the best way to connect HDMI 2.1b enabled devices to ensure delivery of all the features with improved EMI characteristics.
What connectors can the Ultra High Speed HDMI Cable be used with?
The Ultra High Speed HDMI cable specification covers connectors Types A, C and D. The initial Ultra High Speed HDMI Cable Certification Program is for cables with Type A connectors.
Can the Ultra High Speed HDMI Cable work with existing HDMI devices?
The cable is backwards compatible and can be used with all existing HDMI devices.
What is the maximum length of this cable?
The specification does not indicate a cable length. Cable length depends on many factors including cable type and construction. Based on early testing in the UHS Cable program, it is expected that passive cables of 8 meters will be achievable.
Are active cables supported in the specification?
The specification permits wire, passive, active, and converter Category 3 cable assemblies.
How will these cables be identified by consumers and end-users?
In order for cables to be marketed and sold as compliant to the HDMI 2.1b Specification and use the official Ultra High Speed HDMI Cable designation they must past all certification tests and, in addition, affix the Ultra High Speed HDMI Certification Label on their packaging. The label has the Ultra High Speed HDMI Cable name and logo on it. The cables are also required to have the cable name printed on the cable jacket itself.
What is the label for?
It has two main functions. First, it prevents counterfeiting and protects the manufacturers, enables each package to be traceable back to its source, and enables consumers and the industry to scan the QR code and security hologram to verify the brand name, model number, length and that it is a certified cable registered in the HDMI LA verification system. Secondly, it cuts through the confusion sometimes found in resellers’ marketing that might include variations on the cable name or claims about supporting certain bandwidths or features, by ensuring consumers and end-users that all they need to do is look for the label to know the cable is an official Ultra High Speed HDMI Cable.
Does the cable have a Cable Name Logo?
Yes, the Cable Name Logo is on the Ultra High Speed HDMI Certification Label. Also the logo is not allowed to be printed on cable packages and must only be displayed on products by affixing the Ultra High Speed HDMI Certification Label to the package.
1. Real-World 8K TV and PS5 Testing
Order Quantity and Samples
What is your MOQ (Minimum Order Quantity)?
Standard MOQ is 500 pcs per model, but we accept smaller trial orders for new buyers.
Do you offer free samples?
Free samples are available for bulk-order buyers, but shipping costs are charged.
Order Processing and Lead Time
What is the lead time for bulk orders?
25-30 days after payment confirmation (depending on order size and customization).
How can I request a quote?
Email us with your specifications (length, quantity, packaging, etc.) for a detailed quotation.
Payment Terms
What are your payment terms?
T/T (30% deposit, 70% before shipment).
Packaging and Shipping
What is your packaging option?
Custom packaging (Polybag, blister, retail box, eco-friendly) is available.
Which shipping methods do you support?
By sea (FCL/LCL), air freight, or express (DHL/FedEx/UPS) for urgent orders.
Can you ship to my country?
We ship globally and handle customs documentation (INCOTERMS: FOB, CIF, or EXW).
Warranty and Services
Do you provide warranty?
Yes, we provide replacement for defective products.
Do you provide OEM/ODM services?
Yes, we offer custom branding, packaging, and cable specifications (length, connectors, etc.) for bulk orders.
