Source custom fireproof CAT7A/CAT8 bulk cables for high-speed networks. Get quick turnaround, global shipping, and expert OEM/ODM manufacturing.

Table of Contents
- Why High-Performance Cabling Matters (CAT7A & CAT8)
- Decoding CAT7A vs. CAT8: Which is Right for Your Network?
- The Critical Importance of Fireproof Cable Ratings
- The Anatomy of a Superior Bulk Cable
- The Dlaycable Advantage: True Customization and Speed
- Applications: Where are CAT7A and CAT8 Deployed?
- Frequently Asked Questions (FAQ)
Why High-Performance Cabling Matters (CAT7A & CAT8)
In today’s hyper-connected world, the demand for faster, more reliable data transmission is relentless. For data centers, enterprise networks, and mission-critical infrastructures, the physical cabling is the bedrock of performance. Standard cables are no longer sufficient to handle the bandwidth-intensive applications of modern business. This is where high-performance network cables like Category 7A (CAT7A) and Category 8 (CAT8) become essential. They are engineered not just for current needs but to future-proof network investments against exponential data growth.
Choosing the right cabling infrastructure directly impacts network speed, signal integrity, and operational uptime. CAT7A and CAT8 cables offer significantly higher frequencies and data rates than their predecessors, minimizing latency and providing the robust performance needed for 40G and beyond. Investing in this advanced cabling means building a network that is resilient, scalable, and prepared for the next generation of technology.
Decoding CAT7A vs. CAT8: Which is Right for Your Network?
While both CAT7A and CAT8 represent the pinnacle of copper ethernet cabling, they are designed for different applications and performance benchmarks. Understanding their key distinctions is crucial for making an informed purchasing decision. CAT7A is an augmented specification that pushes the frequency of CAT7 to 1000 MHz, providing reliable 10 Gbps performance over longer distances. It is an excellent choice for advanced smart homes and enterprise networks requiring a high degree of future-proofing.
CAT8, on the other hand, is a revolutionary step forward, specified for frequencies up to 2000 MHz. It is specifically designed for data center applications, supporting 25GBASE-T and 40GBASE-T speeds over shorter distances (up to 30 meters). Its primary use is for interconnecting servers, switches, and storage equipment within a single room or row. The choice between them depends entirely on your specific environment and bandwidth requirements.
| Feature | CAT7A | CAT8 |
|---|---|---|
| Max Frequency | 1000 MHz | 2000 MHz |
| Max Data Rate | 10 Gbps (fully supports up to 100m) | 25 Gbps / 40 Gbps |
| Max Channel Length | 100 meters for 10GBASE-T | 30 meters for 40GBASE-T |
| Shielding | S/FTP (Screened/Foiled Twisted Pair) | S/FTP (Screened/Foiled Twisted Pair) |
| Primary Application | Enterprise networks, smart homes, future-proofing 10G infrastructure | Data centers, server-to-switch connections |
| Connector Type | GG45, TERA, RJ45 (with limitations) | RJ45 |
The Critical Importance of Fireproof Cable Ratings
Beyond raw performance, network cable safety is a paramount concern, especially in commercial and public buildings. Fireproof ratings, or more accurately, flame-retardant ratings, dictate how a cable behaves in a fire. These ratings are not optional; they are mandated by national and local building codes, such as the National Electrical Code (NEC) in the United States. Using improperly rated cables can result in failed inspections, significant liability, and most importantly, a serious safety hazard. The jacket material is specially formulated to resist ignition and limit the spread of flames and the emission of toxic smoke.
Understanding Plenum (CMP) vs. Riser (CMR)
The two most common fire ratings for commercial network installations are Plenum and Riser. It is vital to know which one is required for your installation space.
- Plenum (CMP): This is the highest and most stringent fire rating. Plenum-rated cables are designed for installation in “plenum” spaces—the areas used for air circulation in heating and air conditioning systems, such as drop ceilings or raised floors. CMP jackets are made from materials that burn slowly and emit minimal smoke and toxic fumes when exposed to fire.
- Riser (CMR): Riser-rated cables are intended for vertical installations between floors in non-plenum spaces, such as in cable trays or conduits running through a building’s “risers.” While they are flame-retardant and designed to prevent a fire from spreading from one floor to another, they do not meet the strict low-smoke requirements of CMP cables.
Choosing between CMP and CMR is not a matter of preference but a matter of code compliance. Always verify local building codes to ensure you are selecting the correct cable for each part of your installation.
Why Fire Ratings are Non-Negotiable for Safety and Compliance
Installing a non-rated or underrated cable in a plenum or riser space is a serious violation of building and safety codes. The potential consequences include voiding your insurance policy, facing legal penalties, and endangering the lives of building occupants. In the event of a fire, improperly rated cables can act as a fuse, rapidly spreading flames and releasing dense, toxic smoke that can impede evacuation and rescue efforts. Therefore, sourcing bulk CAT7A or CAT8 cables with the proper, certified fire rating is a critical step in any responsible network infrastructure project.
The Anatomy of a Superior Bulk Cable
The performance and reliability of a network cable are determined by the quality of its components. From the conductor material to the type of shielding, every element plays a role in delivering consistent, high-speed data transmission while protecting against signal degradation.
Shielding Explained: S/FTP for Maximum Interference Protection
Both CAT7A and CAT8 cables utilize Screened/Foiled Twisted Pair (S/FTP) shielding. This is the most robust form of shielding available and is essential for achieving their high-frequency performance. It consists of two layers of protection:
- Individual Foil Shielding: Each of the four twisted pairs of wires is wrapped in a thin layer of foil. This prevents crosstalk between the pairs inside the cable (ANEXT – Alien Near-End Crosstalk).
- Overall Braid Screen: An outer braid screen, typically made of tinned copper, encases all four pairs. This protects the cable from external electromagnetic interference (EMI) and radio-frequency interference (RFI) from sources like power lines, motors, and other network cables.
This dual-shielding construction is what allows CAT7A and CAT8 to operate flawlessly in noisy environments like data centers and industrial settings.
Solid Bare Copper: The Foundation of Performance
For permanent, in-wall installations that define a building’s network backbone, solid bare copper conductors are the only acceptable choice. Unlike stranded conductors (used for flexible patch cords) or copper-clad aluminum (CCA) wires, solid copper offers superior electrical conductivity and physical strength. This results in less signal loss (attenuation) over distance, better heat dissipation, and full compliance with TIA/EIA standards. Cables made with CCA are cheaper but suffer from higher resistance, are more prone to breakage, and do not support Power over Ethernet (PoE) effectively. Always insist on 100% solid bare copper for your bulk cable installations.
The Dlaycable Advantage: True Customization and Speed
Sourcing high-performance, specialized cables can be challenging. Standard off-the-shelf products often don’t meet the precise requirements for length, color, or jacket material. At Dlaycable, we bridge this gap by providing factory-direct manufacturing, tailored to your exact project needs, combined with an agile production process that ensures rapid delivery anywhere in the world.
Your Specifications, Our Expertise: The Customization Process
We specialize in OEM/ODM cable manufacturing. This means we can produce custom fireproof CAT7A and CAT8 bulk cables built to your unique specifications. Our customization options include:
- Custom Lengths: Order the exact amount of cable you need on spools, minimizing waste and reducing cost.
- Jacket Color: Choose from a wide range of colors for easy circuit identification and organization.
- Jacket Material: Specify the exact fire rating you need, from CMP and CMR to LSZH (Low Smoke Zero Halogen).
- Custom Printing: Add your company name, project identifiers, or other custom text directly onto the cable jacket for easy management.
Our experienced engineering team works with you to ensure every technical requirement is met, from conductor gauge to shielding effectiveness, all while adhering to strict ISO and UL quality standards.
From Factory to Your Door: Quick Turnaround & Global Shipping
Project deadlines are tight. Waiting weeks or months for critical components is not an option. We have optimized our manufacturing and logistics to provide an industry-leading quick turnaround on custom orders. Our streamlined process, from quotation to production and shipping, ensures your bulk cable is manufactured and dispatched efficiently. With robust global shipping capabilities, we can deliver to your job site, warehouse, or data center, no matter the location, keeping your project on schedule.
Applications: Where are CAT7A and CAT8 Deployed?
These advanced cables are engineered for the most demanding environments where performance and reliability are critical. Their applications are typically found in professional and commercial settings.
Common CAT7A applications include:
- Enterprise and campus network backbones.
- Hospitals and healthcare facilities requiring EMI-resistant cabling.
- High-end AV installations and broadcast studios.
- Financial institutions and government buildings with high-security data requirements.
Common CAT8 applications are more focused:
- Top-of-Rack (ToR) and End-of-Row (EoR) data center architectures.
- High-speed interconnects between servers, network switches, and storage area networks (SANs).
- High-performance computing (HPC) clusters.
- Any environment planning a migration to 25G or 40G over copper.
Frequently Asked Questions (FAQ)
What is the main advantage of CAT8 over CAT7A?
The primary advantage of CAT8 is its support for much higher bandwidth—up to 2000 MHz—which enables data rates of 25 Gbps and 40 Gbps over a 30-meter channel. This makes it ideal for short-reach connections inside a data center.
Can I use CAT8 cable for my home network?
While you can, it is generally considered overkill. CAT8 is designed and priced for data center environments. For home networking, CAT6A or CAT7A provides more than enough performance for current and future needs at a more practical price point.
Is S/FTP shielding necessary for these cables?
Yes, absolutely. The extremely high frequencies at which CAT7A and CAT8 operate make them very susceptible to crosstalk and external interference. The comprehensive S/FTP shielding is essential to maintain signal integrity and achieve the specified data rates.
How do I order custom bulk cable from Dlaycable?
The process is straightforward. Contact our sales and engineering team with your requirements, including the cable category (CAT7A/CAT8), desired fire rating (CMP/CMR), length, color, and any custom printing. We will provide a detailed quote and lead time for production and delivery.

