Cat 8 Ethernet Cable
- 25G/40Gbps data centers Cat 8 Ethernet Cable.
- S/FTP shielded — 2000 MHz bandwidth, 30m reach.
- 24/22 AWG solid copper conductors for reliability and PoE++.
- Offered in Round and ultra-thin Flat constructions.
- Option for extra durability: Nylon braided jacket.
- The cable is fully backward compatible with RJ45 equipment.
- Standard lengths: 0.5/1/1.5/2/3/5/8/10/12/15/20/25/30 meters.
- Great for dense server racks and backbone links.
Next-Gen Cat 8 Ethernet Cable — For 25G, up to 40Gbps Data Center and Enterprise Backbones
Thank you for visiting Bespokecable, the best and first professional Cat 8 Ethernet Cable factory in Shenzhen, China. Backed by more than 20 years of solid engineering experience and a purpose-built ISO 9001:2015-certified manufacturing process, we are at the leading edge of next-gen network connectivity solutions. Designed to meet strict ANSI/TIA-568-C requirements, our high-quality Cat 8 Ethernet Cable supports up to 2000 MHz of bandwidth and up to 40 Gbps for maximum speed. It is rated as 2-1 and ISO/IEC 11801-1 Class I/II, which means it provides state-of-the-art performance with an excellent bandwidth of up to an unbelievable 2000 MHz.
Optimized for the high expectations present within modern data centers, high-performance computing environments, and enterprise backbone applications, our Cat 8 Cable enables uninterrupted data transmission on all TIA-942 defined measurements of 25GBASE-T and 40GBASE-T up to an impressive distance of 30 meters, enhancing it as both a sufficient but also insightful contribution to your base for ensuring your infrastructure remains future-proof. With a wide selection of useable lengths for Cat 8 Ethernet Cables—20 ft, 50 ft, 100 ft, and 200 ft—on sale, both as round/flat mix and braided/non-braided options, we are happy to extend competitive bulk & wholesale pricing. In addition, we offer extensive OEM/ODM customization solutions tailored to your project needs.
Technical Specifications of Cat 8 Ethernet Cable
| Parameter | Specification |
| Cable Category | Category 8 (Cat 8) / Class I/II |
| Performance Standard | ANSI/TIA-568-C.2-1, ISO/IEC 11801-1 |
| Bandwidth | 2000 MHz |
| Data Transfer Rate | 25 Gbps (25GBASE-T) & 40 Gbps (40GBASE-T) up to 30m |
| Conductor | 22 AWG Solid Bare Copper |
| Pair Construction | Shielded/Foiled Twisted Pairs (S/FTP) |
| Overall Shielding | Braided screen (≥90% coverage) |
| Connector | Cat 8 Rated RJ45, 8P8C, 50µ” gold-plated contacts |
| Jacket Material | High-quality PVC (CM/CMR), LSZH option available |
| Jacket Types | Round (standard) & Ultra-Thin Flat |
| Additional Protection | Optional: Durable Nylon Braided Jacket |
| Impedance | 100Ω ±5Ω |
| Minimum Bend Radius | 4x cable diameter (Round), 1.5″ (Flat) |
| Operating Temperature | 0°C to +60°C |
| Certifications | CE, RoHS, REACH; ISO 9001:2015 Factory |
Product Matrix: Cat 8 Ethernet Cable Solutions
| Model Code | Description | Construction | Jacket Type | Key Application / Feature |
| BC-DAJ006-A | Round Cat 8 Ethernet Cable Black | Round, S/FTP | PVC, Black | Standard data center/server room cable. Robust, ideal for under-floor/overhead trays and standard conduits. |
| BC-DAJ006-B | Flat Cat 8 Ethernet Cable Black | Ultra-Thin Flat, S/FTP | PVC, Black | Space-saving solution. Perfect for running under carpets, along baseboards, or in tight spaces behind furniture. |
| BC-DAJ006-C | Round Cat 8 Ethernet Cable White | Round, S/FTP | PVC, White | Clean aesthetic for office/retail environments or areas where cable visibility needs to blend in. |
| BC-DAJ006-D | Flat Cat 8 Ethernet Cable White | Flat, S/FTP | PVC, White | Discreet, flat white cable for clean installations in visible residential or commercial settings. |
| BC-DAJ006-E | Round Cat 8 Cable with Nylon Braid | Round, S/FTP | PVC + Durable Nylon Braid | Maximum durability & tangle resistance. Ideal for high-traffic areas, gaming setups, or portable equipment. |
| BC-DAJ006-F | Flat Cat 8 Cable with Nylon Braid | Flat, S/FTP | PVC + Durable Nylon Braid | Combines the space-saving of flat design with the extra protection and premium feel of a nylon braid. |
Design Features
- Designed for Next Generation Multi-Gigabit & Optimized Future-Proof performance: Our Cat8 Cable is not a new version, no — it’s a revolution. Designed for 25GBASE-T and 40GBASE-T applications, The Cable supports frequencies up to 2000 MHz, providing the foundation for future switches, servers, and storage arrays. To achieve these speeds, it is critical that the cables be S/FTP (Shielded/Foiled Twisted Pair), with each pair individually shielded and a high-coverage overall braid, while still providing maximum resistance to Alien Crosstalk (AXT) in very dense pathways and Electromagnetic Interference (EMI).
- An Optimized Form Factor for Every Installation: We get that one form factor does not fit all. The Round cable is standard for structured cabling and data center applications. Ultra-thin Flat variant offers a solution for clearance and routing problems in constrained environments. Nylon Braided jackets (optional) offer additional abrasion resistance and increased durability for applications where cables are handled or exposed to high-stress environments, giving them a premium appearance. This adaptability, a key tenet of our “Make Customization Easy” philosophy, guarantees you never show up without the right tool for the task.
- Your Certified B2B Manufacturing Partner: We are a source factory and manage the entire process from material procurement to production. Your ISO 9001:2015 certification ensures that every Cat 8 Ethernet Cable is produced with the highest standards. And with a team focused on R&D, 20 years of experience, and a stable supply chain, we are designed to be your next-generation network infrastructure Vendor. You can choose everything from length and color to connector type and packaging, so it will fit perfectly with your deployments around the world, under our full OEM/ODM services.
Primary Applications
- Data Center Spine/Leaf & Server Interconnects: 25G/40G links from top-of-rack switches to servers.
- High-Performance Computing(HPC) & AI/ML Clusters: High-bandwidth connectivity for data-intensive workloads.
- Enterprise Network backbones: Core infrastructure stability for 10+-year lifecycles.
- Professional Audio/Video & Broadcast: Deals in ultra-high-bandwidth for 8K+ video streaming and production.
- SAN goes high speed: Slicing a path from all-flash storage arrays to fast networks
Quality & Testing
According to the Cat 8 Ethernet Cable’s detailed product description, the cable is designed to comply with ANSI/TIA-568-C. Those that adhere to the ISO/IEC 61156-5:2016, IEC 61156-5 ed. 22, AWG solid bare copper conductors, and a Shielded/Foiled Twisted Pair (S/FTP) construction with an overall braided screen are examples of key quality assurance specifications. The product text does not go into detail about in-house testing procedures; however, the company information confirms that Bespokecable is an ISO 9001:2015-certified factory. The related link to the “Quality Control” page indicates a purposeful process. CE, RoHS, and REACH compliance is stated. Our guess is that, with an ISO 9001 framework, stringent testing policies are applied. This would normally comprise testing (for a high-performance cable such as Cat 8, for instance), where the results provide reassurance and evidence to prove continuity; that wiring is mapped correct (T568A/B); shield continuity/effectiveness; and performance metrics (e.g., Insertion Loss, Return Loss, Near-End Crosstalk, Alien Crosstalk ) are validated full compliant all adhering to very exacting Category 8 electrical specifications.
Customisation Options
Bespokecable is a direct manufacturer; we are committed to the true power of the manufacturer itself, which is your R&D and engineering team extension. Our underlying principle is to “Make Customization Easy”.
Here’s how we enable you to deliver your unique product vision:
- “You Can Create Products by Yourself”: This is our business creed. We are not a catalog. We give you a partner in co-development. You tell us what you require, and we build the solution. The whole process is driven by your input on specifications, product functions, and even packaging.
- Our Structured 4-Step Co-Development Process: We have a well-defined, transparent flow that is purpose-built for speed and clarity.
- Inquiry Discussion: You present your thoughts, designs, or requirements to us. We listen, ask the correct questions, and translate your vision into an initial technical specification for research and signs of approval.
- Unit Price Checking. We submit our formal quotation according to the evaluated specifications and quantities. There are no other hidden costs outside of custom materials or tooling, which we advise you on before processing.
- Sample Making: After the specification and price are approved, we proceed to the critical prototyping phase. You test, explore, and validate functional samples. This also ensures the product will function as expected before entering mass production in your particular application.
- Mass Production: Upon receiving the sample approval, we proceed. Your formal order jumps us into high-speed, high-volume production mode (fueled by our dependable supply chain), to guarantee your order arrives on time every time.
Your Data (Cat 8, Formerly) Cable Customization Toolkit:
- Length: Do you need a Cat 8 Ethernet Cable in 20 ft, 50 ft, 100 ft, or 200 ft? Or an unusual length, such as 37 feet? We make it to your specification.
- Construction & Form Factor: Versatile standard, Round or ground-saving, Ultra-Thin Flat. We can also cover them with hard-wearing Nylon Braided jackets for added protection and a premium look.
- Color & Branding: Choose from standard colors or supply a Pantone code for precise matching. We can even print your company logo, length markings, or other identifiers directly on the cable jacket.
- Connectors & Shielding: Define the connector type (e.g., Cat 8-rated RJ45) and the shielding requirements. We also guarantee that the components are compatible with the cable’s performance grade.
- Packaging: bulk spools to boxes for retail offer, with your brand.
To sum it up, we think of ourselves as your manufacturing partner. Our engineering expertise, ISO 9001:2015 certified production quality, and agile processes are here to transform your custom product idea into a real-world, viable, high-quality product.
How to set up the Cat 8 Ethernet Wire?
The installation and setup of the Cat 8 Ethernet Cable are serious, precision-critical tasks, and if done improperly, it can very well be enough to compromise its full 25G/40Gbps performance. Mega-category cables are less forgiving than lower-category types. The Cat 8’s ultra-high-frequency operation requires the best installation practices to ensure sufficient signal integrity and performance as defined over its specified 30 m cable channel. Supporting this website is a guide tailored to IT professionals, system integrators, and data center technicians, based on industry standards and technical expectations that any manufacturer, such as Bespokecable, has in mind when engineering products for successful deployment.
Planning, Safety, and Component Verification Pre-Installation
Planning is imperative before starting the physical installation. The key use case for Cat 8, as talked about on the Bespokecable website in its Product Application Presentation “Data Centre,” is high-speed, short-reach backbones.
- Power Down and Safety: Do not forget to power down, even if unplugging all network equipment (switches, servers, NICs) you’d be connecting. Wear an anti-static wrist strap when working with hardware to avoid the risk of electrostatic discharge (ESD) damage.
- Confirm Compatibility: Confirm that your network interface cards (NICs) and switches support 25GBASE-T or 40GBASE-T standards. (Cat 8 is backwards-compatible but will only provide these ultra-high speeds with the matching equipment.)
- Verify Channel Design: Schedule the cable route details, with a maximum system length of 30 m (98 ft). This is the permanent cable run plus any patch cords at each end.
Collect Proper Components
You will need:
- Cat 8 Rated Connectors & Panels: This is set in stone. You need to use Cat 8/Class I rated RJ45 connectors, keystone jacks, and patch panels. Standard Cat 6A components will not perform to spec. The Cat 8 cable from Bespokecable lists “Cat 8 Rated RJ45” connectors in the product description.
- Intended Routes: Confirm that the cable tray, conduit, or J-hooks are appropriately sized to accommodate the cable diameters — for example, if round.
- Certified Installation Tools: For post-install verification, use a high-quality Cat 8/Class F cable certifier. Basic continuity testers are insufficient.
Cable Routing and Physical Installation
Careful routing preserves the internal structure of those cables.
- Do Not Bend Sharply: Respect bend radius. For round cables, keep the bend radius at least 4 times the cable diameter. For flat cables, refer to the manufacturer’s specification (minimum of 1.5 inches).
- Avoid Interference & Strain: Never run the Cat 8 Cable in parallel with or in close proximity to AC power cables. Use specific roads or keep your distance. Use suitable cable ties, but don’t over-tighten them, as this can deform the cable and its critical internal shielding, permanently damaging performance. As a rule of thumb, support the cable along its length so that it does not sag or put stress on the connectors.
- Cable Management: Route cables neatly. The various types of round and flat from a manufacturer (like Bespokecable) give you the option to choose which is most suitable for your area — round is perfect for trays, but flat could fit best in tight spaces under floor coverings or along edges.
Termination & Grounding (The most critical step).
Termination is critical for the shielded performance of Cat 8. If you are not using factory-pre-terminated patch cables, you must exercise extreme care.
- CAT 8 Components: When terminating a bulk CAT 8 Ethernet Cable, use a dedicated CAT 8-rated plug or keystone jack. Be sure to follow the connector manufacturer’s instructions very closely.
- Maintain Shield Continuity: Rely on individual pair foil shields along with an overall braid offered by S/FTP (Shielded/Foiled Twisted Pair) construction. It is highly important that these shields are properly terminated to the Cat 8 connector’s metal shell. You want to keep the Faraday cage intact from the cable to the connector.
- Ground the Shield: The cable’s overall braid shield must be properly grounded at one end of the link (typically at the permanent link side, i.e., in a patch panel in the equipment room). This safely grounds the EMI, preventing loops that can pick up noise. Grounding must comply with local electrical codes and the manufacturer’s guidelines.
Post-Installation Testing, Verification, and Documentation
The Cat 8 installation has not been completed without certification.
- Certification Testing: A Level III or higher cable certifier capable of testing to Cat 8/Class I (up to 2000 MHz). The test setup will confirm critical performance parameters, including Insertion Loss, Return Loss, Near-End Crosstalk (NEXT), and—most crucial for Cat 8—Alien Crosstalk (AXT). A mere “link light” or connectivity check is entirely insufficient and does not ensure performance.
- System Verification: After certifying, reattach all devices, power the system on, and confirm that the network operating system (NOS) or switch management interface shows the correct link speed (25GbE or 40GbE).
- Label and Document: Use unique identifiers to label both ends of every cable. Document in your network the new connections, cable types, lengths used, and the certification test report. This is essential for future troubleshooting and maintenance.
Approaching these steps with precision enables your Cat 8 Ethernet Cable installation to reliably and efficiently underlie the most important components of your networking infrastructure.
User Experience
Drawing from the (multiple) client testimonials that are included in the website copy provided, users—including Sourcing Managers, Systems Engineers, and Product Managers—found their experiences to be highly positive. The company in question expressed particular satisfaction with the company’s responsiveness, offering of “detailed technical materials” and a “quick” turnaround for samples (Sourcing Manager, SAS cable). As an advanced, application-specific product like the Cat 8 Ethernet Cable, what B2B clients would expect to receive from a nearby component is not just a few segments of their needs. Users would appreciate the technical partnership idea: contact a manufacturer with expertise in extreme-performance needs, such as 25G/40Gbps backbones, to advise on the right cable type (Round vs Flat) and configuration. With endless customization possibilities, the solution can be configured to fit perfectly into unconventional data center layouts or installation hurdles. Guaranteed sourcing from an ISO 9001:2015-certified factory with its own R&D team assures customers’ confidence in the product’s ability to deliver. The general consensus is that Bespokecable is a technically competent manufacturing partner and a reliable, solution-oriented one that can help drive the deployment of state-of-the-art high-performance network infrastructure.
Similar Products Show & Comparison of Cat 8 Ethernet Cable
- A variety of colors and lengths are available for your choice.






It is intended for short-reach, ultra-high-speed, data-center, and enterprise-backbone connections. It’s mainly used to enable 25GBASE-T and 40GBASE-T Ethernet standards across up to 30 meters, connecting high-performance switches with servers or storage.
For 40GBASE-T and 25GBASE-T, the maximum channel length over Cat 8 Ethernet Cable is 30 meters (approx. 98 feet). This is not a replacement for Cat 6A used in a 100m 10 Gbps run; it is for high-speed, application-specific short links.
Yes. A Cat8 Cable terminated on both ends with an RJ45 connector is fully backward compatible with all older categories (Cat 7, 6A, 6, 5e). It will run at the maximum pace that both connected devices can handle.
Round Cat 8 Cable is a standard for structured cabling and should offer the best performance in terms of shielding. Flat Cat 8 Cable employs an alternative internal design to become ultra-slim, enabling routing under carpets, up walls, or in confined spaces that a round cable won’t fit into, while still adhering to the Cat 8 specification.
No, the Nylon Braid is a supplementary protective sheath which we apply over the normal shielded cable outer jacket. Its durability is enhanced without compromising the electrical performance or shielding of the Cat 8 Cable beneath it, while also providing great abrasion resistance and reduced tangling.
Yes, extremely well. The 22 AWG solid copper conductors , with their industrial construction, make Cat 8 Ethernet a great solution for high-powered PoE applications such as PoE++ (802.3bt), keeping voltage drop over distance to a minimum.
You require the 25GBASE-T or 40GBASE-T compatible networking equipment (NICs, switches) to achieve those 25G/40G speeds. For lower speeds (10G, 5G, 2.5G, 1G), this is the only equipment on hand.
For our regular Cat 8 Cable products, the MOQ is 50 pieces per SKU, as it is a high-processing product. MOQ is flexible for bulk custom projects depending on the project requirements. Flexible terms for B2B clients.
Yes, Evaluation samples are available to qualified B2B customers. It lets you check the construction, connector, shielding, and its performance in your application before ordering in volume.
Absolutely. We are built on the pillar of customization. Cat 8 Ethernet Cable can be manufactured by us to any exact length you need, so nothing is wasted, and your installation is tailored.
In the cutting-edge 25G/40Gbps backbones of tomorrow’s data centers and high-performance computing clusters, it is critical to choose a partner that can provide both innovative technology and manufacturable solutions. Bespokecable is a strategic partner for the most demanding connectivity challenges and the most trusted direct factory manufacturer in Shenzhen, China, with over 20 years of experience in expert engineering solutions. Through our postulates and hands, we create the quintessential Cat8 Ethernet Cable, topping ANSI/TIA-568-C. Additional Info: Meets Category 6A, Class EA, and ISO/IEC 11801-1 standards, providing 2000 MHz bandwidth, and is compliant with IEEE 802.3bq (25GBASE-T and 40GBASE-T). Designed for the most demanding short-reach, high-bandwidth applications, our Cat 8 Cable delivers the reliable, future-proof infrastructure B2B clients demand. At Bespokecable, we focus specifically on Cat8 Ethernet to offer some of the most aggressive wholesale or bulk pricing, allowing system integrators, data center operators, and IT distributors to purchase reliable high-performance cabling in large volumes with high efficiency. We also conduct periodic sale promotions that provide tremendous value to our partners.
You deserve uncompromising performance from your connection, which is why you need our Cat8 Ethernet Cable! Combining a Shielded/Foiled Twisted Pair (S/FTP) design with solid copper conductors in 22 AWG, it delivers the essential protection against Alien Crosstalk (AXT) and EMI that you must have to obtain solid 40Gbps performance. Whether standard Round Cat8 Cable, ultra-slim Flat Cat8 Cable to route in tight spaces, or tough Nylon Braided variants, we have the flexibility you require for any installation! All our products are built to the highest standards in our ISO 9001:2015 certified factory. Sticking with our philosophy of “Make Customization Easy”, we offer comprehensive OEM/ODM support, meaning you can customize the lengths, colors, and jacket printing of your Cat 8 Ethernet order to fit your needs.
An entire enterprise solution in one complete, high-speed enterprise solution requires a portfolio of specialized interconnects. As our Cat 8 Cable creates the ultra-fast network backbone, the storage infrastructure behind it also needs high-performance links. For these mission-critical storage uses, please consider our complete SAS cable offering. For SAS drive connections to backplanes or controllers, in particular, our SFF-8482 cables deliver the reliable, high-bandwidth connectivity required for enterprise storage arrays.
Pick Bespokecable for your Cat8 Ethernet Cable and trust a manufacturer focused on quality, innovation, and your long-term success. We are not just a component supplier but a solution provider, offering supply chain stability, fast samples, and technical support that gets you through the performance network deployment hurdles. Over 200 global clients trust us for their business, which speaks volumes about this commitment. Get in touch with our team today with your needs, request samples, or inquire about a volume procurement agreement.
This cable is the most advanced twisted-pair copper technology available, supporting 25GBASE-T and 40GBASE-T speeds over limited distances. Choosing incorrectly can lead to network bottlenecks, an inability to meet set performance targets, and a poor return on a significant investment. This overview outlines the main technical, application, and sourcing factors B2B buyers must consider when choosing a Cat 8 cable that delivers guaranteed performance, reliability, and future-proofing for your highest-speed links.
Validate Validation Specifications and Shielding Architecture
The most important first step is to get past marketing speak and ensure the cable meets the official ANSI/TIA-568-C specification. Standards: 2-1 (Cat 8.1) or ISO/IEC 11801-1 (Class I). This certifies 2000 MHz bandwidth and 25G/40Gbps performance for channel lengths up to the specified 30 meters. Must-have for 2000 MHz suppression of AXT (Alien Crosstalk), the real challenge in dense, high-speed environments like those represented in many of the site application examples – especially Data Centre. For the best signal integrity and strong support for high-power Power over Ethernet (PoE++), demand 22 AWG solid bare-copper conductors (not CCA).
Conform Cable Construction to the Environment of Your Installation
Not all Cat 8 cables are created equal. Assess your physical installation challenges. For regular data center pathways and overhead trays, a Round Cat 8 Ethernet Cable holds up its own. In space-constrained runs—under carpets, along baseboards, or in boxy server chassis—the Ultra-Thin Flat Cat 8 Cable is the answer, ensuring the same performance standard with a slimmer profile. For areas demanding extra toughness, such as portable equipment or high-traffic sectors, try a version with a Nylon Braided jacket for maximum abrasion resistance. Precisely plan your cable runs. Usually, trunk length ranges include Cat 8 Ethernet Cable: 20 ft for rack-to-rack links, 50 ft for intermediate runs, and 100 ft or 200 ft maximum structured cabling values — always within the allowable run of up to 30 meters.
The Importance of Working with a Certified Source Manufacturer
When it comes to a B2B investment in such high-end technology, nothing is more important than the manufacturer’s credentials. Buy from an ISO 9001:2015-certified factory, like Bespokecable, which guarantees that “every step of the production process is performed according to standards.” Having been a “source Data Cable manufacturer” for over Two Decades, they own the entire supply chain, offering resellers reliability and low bulk rates that others can never hope to match. Their “Make Customization Easy” philosophy indicates that you can make orders of cables in the exact lengths and configurations required. In addition, proper Cat 8 installation involves using Cat 8-rated RJ45 connectors and patch panels; a decent manufacturer will ensure their patch cables are terminated correctly. In addition, many other essential links serve both internal and external needs in a complete storage and server infrastructure; for the former, check our SATA Cable solutions, and for the latter, learn more about our eSATA Cable solutions.
By exhaustively validating the attenuation standard, ensuring your application’s correct form factor, and engaging a qualified, customization-capable manufacturer, Cat 8 Ethernet installation can be confidently implemented — an ultra-high-performance backbone that will underpin current and future data demands.






























