Ignore the erroneous answer that Cat 8 is a marketing gimmick. As noted by someone else, Cat 8 is rated for 40Gbps/2000Mhz which most people, especially home users, cannot utilize at this time. If you want to future proof your wiring, get Cat 8 but at the speeds you mention, a decent shielded Cat 5e or Cat 6 or 6a will work just fine. You'll see no speed boost just from a "faster" cable. Avoid Cat 7 and 7A due to finicky proprietary connector issues.

Does this have to plug into the router or can it plug into a Wifi extender?

If your wifi extender is set to allow connections to your main access point via the Ethernet port, then yes. It will work just like any other Ethernet cable. If you have tried a different cable and it did not work, your extender is either not setup properly to allow this or it is not capable of it.

will this cable make a difference if I'm already hitting max speeds with my cat6? my interenet speed plan is 400mpbs

Cat6 or Cat6a is all you need. Any latency you feel is either the port or you provider. CAT8 is bs, save your money.

Does this cable have any markings on the cable itself that identify it as category 8?

Other than Cat8 written in white on the actual cable. There are no other markings on it.

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Cat8 25ft - Black

Product ID: 535511547

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Details

Brand
DbillionDa
Cable type
Ethernet
Compatible devices
Laptop Router
Connector type
RJ45
Special feature
High Speed UV

⚡40Gbps blazing speed

🌦️Weatherproof & UV resistant

🛡️Quadruple shielded for zero interference

Description

⚡ Future-Proof Your Network with Cat8 Power!

HEAVY DUTY OUTDOOR READY - Built tough with UV-resistant, waterproof PVC—perfect for indoor/outdoor setups.
QUADRUPLE SHIELDING TECH - Say goodbye to signal noise and interference for crystal-clear connectivity.
THICKER 26 AWG WIRE GAUGE - Superior durability and stable performance for smart homes and high-demand networks.
BLAZING 40 GBPS DATA TRANSFER - Experience ultra-fast, lag-free streaming and gaming with next-gen Cat8 speed.
UNIVERSAL RJ 45 COMPATIBILITY - Seamlessly connects with all your devices from routers to gaming consoles and servers.

This Cat8 Ethernet cable delivers ultra-high-speed data transfer up to 40Gbps and 2000MHz bandwidth, featuring quadruple shielding and 26AWG thick wires for unmatched signal integrity. Designed for both indoor and outdoor use, it boasts a weatherproof, UV-resistant jacket and gold-plated RJ45 connectors, ensuring durable, interference-free connections for gaming, smart homes, and professional networks.

Specifications

ASIN	B07QLD7Y7B
Best Sellers Rank	56,666 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 245 in Cat 7 Ethernet Cables
Guaranteed software updates until	unknown
Item model number	cat8 25ft ethernet cable
Manufacturer	DbillionDa
Product Dimensions	17 x 17 x 3 cm; 219.99 g

Reviews

S**T

A Good Quality Ethernet Cable

This is a good quality ethernet cable at a decent price. There's cheaper cables out there but you really need to get the best quality you can buy to ensure as good and stable a data connection as possible between Ethernet connected devices, especially your router and pc. I got Cat 8 to give me a little future proofing for if I upgrade to gigabit internet with the latest routers.

24.08.2023

K**3

Improved my Broadband Speed

my internet 🛜 has now achied higher speeds because i was using a CAT 4 cable from years ago. i didnt know cat 6-8 existed! also used on game consoles and eversolo streamer

3.11.2025

S**.

Sturdy and Excellent connectivity

It does the job very well as fibre broadband connection is such an issue. Excellent shielding and getting very high speeds.

2.08.2023

M**R

Great buy

I bought this for work and it works well.

29.07.2024

D**E

ETHERNET CABLE

This product is brilliant fast installation and fast speed's I would definitely buy again from this seller many thanks

10.01.2024

J**R

higher quality that most of the Ethernet cable i have bought

i have had a few on this now and this is perfect and doesn't drop any speeds

16.07.2023

L**Y

Excellent

Works a treat - nice substantial cable - so good l bought a second one.

6.07.2023

M**K

It's good

Work as intended

1.04.2024

C**N

The connectivity is good. The cable quality looks good. A good buy.

7.10.2024

B**L

Ethernet cable exceeded my expectations. The 6FT length was exactly what I needed for a clean, clutter-free setup between my router and device. The cable feels well-made with a sturdy outer jacket that seems durable enough for both indoor and light outdoor use. Installation was truly plug-and-play the connectors snapped in securely with no looseness. Most importantly, the connection has been consistently fast and stable. I’ve used it for streaming, video calls, and online gaming with zero dropouts or lag spikes. Overall, this is a reliable, high-quality cable that delivers excellent performance for the price.

23.02.2026

Z**H

Realiable and Trustworthy

9.12.2020

J**E

10.06.2025

O**A

Great

15.03.2025

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