Top 5 Longest Ethernet Cable

Are you ready to learn about the longest ethernet cable?  When you need to connect network equipment long distances, you have two options. Using a long Ethernet cable or wireless network. With wireless networks, it is sometimes easy to connect the device over a long distance, but you should always try to use longer ethernet cables when speed or delay is important. In this article, we will take a look at the maximum length of ethernet cable, why the length does not matter, and which longest ethernet cable to buy.   

List Of 5 Longest Ethernet Cable

In the downward index, there are the 5 longest ethernet cables. Let us check about the ethernet cables. 

  1. SEA-ME-WE 3
  2. Cat5e
  3. Cat6
  4. Cat6a
  5. Cat7

Top 5 Longest Ethernet Cable 

From the above list of longest ethernet cables, there are 5 longest ethernet cables ever.

  1. SEA-ME-WE 3


Length – 39,000 km

Do you know what is the longest ethernet cable?

SEA-MEWE 3 or Southeast Asia-Middle East-Western Europe 3 is the optic underwater telecommunication cable joining those provinces and is the longest ethernet cable in the world. It is 24, miles long and uses wavelength section multiplexing technology with the synchronous digital hierarchical transmission, especially for long-distance, to increase capacity and increase signal quality. It is the world’s longest ethernet cable.

  1. Cat5e


Length – 0.0999744 km

Cat5e is a twisted pairs cable of a computer network. The cable provides performance up to the standard 100 MHz and is suitable for twisted pairs up to 2.5 GBASE-T for most types of ethernet, but more commonly runs at 100 BASE-T or 1000 BASE-T speed. Cat 5e cables can be run as outdoor ethernet cables to computers with a local area network between homes or buildings.

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  1. Cat6


Length – 0.0999744 km

Cat 6 is the 300 ft ethernet cable type of twisted pair cable standard commonly used in Gigabit Ethernet-based computer networks. It was jointly characterized and determined by the Electronic Industries Association and the Telecommunication Industries Association. The Cat 6 cable is primarily used for computer networks with Gb, 1000 Mbps, or one Gbps data transfer speed or higher. It is the longest ethernet cable without loss of speed.

  1. Cat6a


Length – 0.0999744 km

Cat6a is the longest ethernet cable length is 328 ft, or 100m ethernet cable. the Cat6a cable allows transmission up to 10 Gbps and is rapidly becoming the cabling infrastructure for VoIP, CCTV, and data networks. Established for use in class EA networks, the Cat6a cable allows extremely high data rates up to 10Gbps and can be transmitted at frequencies up to 500MHz.

  1. Cat 7

Cat 7

Length – 0.0999744 km  

Category 7 cable, also known as CAT& or CAT_7 cable is used to make Gigabit Ethernet infrastructure cable. The Cat 7 ethernet cable’s longest length is 328 ft. it existed as the first ethernet cable type to offer speed up to 10 Gbps over up to 100 meters of copper wire. It is the longest cable for gaming consoles. The speed that these cables can support is perfect for connection-centric games that required fast internet transmission rates.

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Which Ethernet Cable Is Best For Long Distance?

Cat6 cables support 10Gbps for a distance up to 180 ft (55m). If you go beyond this then the speed will drop to 1 Gbps. Cat7 cables are really not needed in a home network. There are designed for data centers and are completely shielded, making them thicker and harder to install.

What Is The Longest Ethernet Cable Available?

An Ethernet channel is the complete end-to-end connection of a cable run from a router/switch to something you use like a computer. Of course, there are variations on this theme, but suffice it to say that from powered-device to powered-device the maximum ethernet cable length is 328 feet.

Which Is Better CAT 5 Or Cat6?

Compared to Cat5/5e cables, Cat6 cables have stricter performance specifications and significantly higher data transfer speeds at greater distances. They are more tightly wound than Cat5 cables, and the cable conductors and cable sheath are thicker as well.

Is Cat8 The Best Ethernet Cable?

DbillionDa’s Cat 8 Ethernet cable is the best Ethernet cable you can get. It’s based on the latest Category 8 (CAT 8) specification for wired transfer speeds up to 40 Gbps. Sure, it’s ideal for data centers that need to transfer loads of data really fast.

Can You Run Ethernet 1000 Feet?

An Ethernet channel is the complete end-to-end connection of a cable run from a router/switch to something you use like a computer. Of course, there are variations on this theme, but suffice it to say that from powered-device to powered-device the maximum ethernet cable length is 328 feet.

Is It Worth Getting Cat7 Cable?

CAT 7 Ethernet cables support higher bandwidths and much faster transmission speeds than Cat 6 cables. As a result they are much more expensive than their Cat 6 counterparts, however, if you are looking for better performance, they are worth the extra cost.

Does Longer Ethernet Cable Affect Speed?

And yes, an Ethernet cable that’s longer than that will start experiencing an increased latency, although almost unnoticeable at the beginning, but it can get really bad as the length increases.



In this article, we share information about ethernet cable and their types. We discussed which is the longer cable over the world and how it is long? Also, we see 5 cable types and their length and what is the speed? Long ethernet cables can be used perfectly in your network without losing bandwidth or network speed. It was all about the longest ethernet cable.  

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