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frontpageviolentleaf posted Yesterday 03:26 PM
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frontpageviolentleaf posted Yesterday 03:26 PM

4.9' Cable Matters USB-IF Certified 80Gbps 240W USB 4 Thunderbolt Cable

$20

$22

9% off
Amazon
16 Comments 5,186 Views
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Deal Details
Cable Matters via Amazon has 4.9' Cable Matters USB-IF Certified 80Gbps 240W USB 4 Thunderbolt Cable (Black) on sale for $19.99. Shipping is free with Prime or on $35+ orders.

Thanks to Community Member violentleaf for sharing this deal.

Details:
  • USB-IF verified: Meets highest USB4 standards for reliable performance
  • Maximum specs: Up to 80Gbps bandwidth, 8K@120Hz video, 240W charging (PD 3.1 EPR)
  • Thunderbolt compatibility: Fully supports Thunderbolt 5, 4, and 3 (up to 80Gbps)
  • Blazing-fast data transfer: 80Gbps on USB4 devices; backward compatible with 20Gbps USB4 and older USB standards (3.2/3.1/3.0/2.0)
  • Video support: DisplayPort Alt Mode enables 8K@120Hz and 4K@480Hz for monitors, docking stations, gaming, editing, and streaming
  • High-power charging: 240W USB PD 3.1; backward compatible with 140W adapters (e.g., Apple, iPad Pro/Air) for fast charging of power-hungry devices
  • Broad device compatibility: Works with MacBook, USB-C/Thunderbolt laptops, tablets, and other USB-C or Thunderbolt-enabled electronics

Editor's Notes

Written by SaltyOne | Staff
  • At the time of this posting, our research indicates that this is $6.28 lower than the next best comparable online prices starting from $26.27.
  • Rated 4.5 out of 5 stars from customer reviews.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Written by violentleaf
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Cable Matters via Amazon has 4.9' Cable Matters USB-IF Certified 80Gbps 240W USB 4 Thunderbolt Cable (Black) on sale for $19.99. Shipping is free with Prime or on $35+ orders.

Thanks to Community Member violentleaf for sharing this deal.

Details:
  • USB-IF verified: Meets highest USB4 standards for reliable performance
  • Maximum specs: Up to 80Gbps bandwidth, 8K@120Hz video, 240W charging (PD 3.1 EPR)
  • Thunderbolt compatibility: Fully supports Thunderbolt 5, 4, and 3 (up to 80Gbps)
  • Blazing-fast data transfer: 80Gbps on USB4 devices; backward compatible with 20Gbps USB4 and older USB standards (3.2/3.1/3.0/2.0)
  • Video support: DisplayPort Alt Mode enables 8K@120Hz and 4K@480Hz for monitors, docking stations, gaming, editing, and streaming
  • High-power charging: 240W USB PD 3.1; backward compatible with 140W adapters (e.g., Apple, iPad Pro/Air) for fast charging of power-hungry devices
  • Broad device compatibility: Works with MacBook, USB-C/Thunderbolt laptops, tablets, and other USB-C or Thunderbolt-enabled electronics

Editor's Notes

Written by SaltyOne | Staff
  • At the time of this posting, our research indicates that this is $6.28 lower than the next best comparable online prices starting from $26.27.
  • Rated 4.5 out of 5 stars from customer reviews.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Written by violentleaf

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Price Intelligence

Model: Cable Matters [USB-IF Certified] 80Gbps USB 4 Cable - 4.9ft, Supports Up to [8K@120Hz / 4K@480Hz Video, 240W Charging, 80Gbps Data Transfer] USB4 Cable, Compatible with Thunderbolt 5/4, MacBook

Current Prices

Sort: Lowest to Highest | Last Updated 1/29/2026, 04:01 PM
Sold By Sale Price
Amazon$19

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Top Comments

violentleaf
26 Posts
14 Reputation
Per the USB-C specification table that discusses USB Type-C Standard Cable Assemblies that mentions a "≤ 0.8 m" limit for 40Gbps and 80Gbps cables:
The cable lengths listed in the table are informative and represent the practical lengths based on cable performance requirements.

There have existed 1.2m (4ft) certified 40/80Gbps cables on the market for a couple years now. A few 1.5m (4.9ft) cables have been certified in the last year. This cable is completely legitimate.

16 Comments

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Yesterday 03:34 PM
4,619 Posts
Joined Jan 2004
exhurtYesterday 03:34 PM
4,619 Posts
I didn't realize these specs were possible at this length
1
Yesterday 03:48 PM
2,854 Posts
Joined May 2018
TimlessYesterday 03:48 PM
2,854 Posts
Yea, this seems impossible. Passive cable length limit is 1 meter.
2
Original Poster
Pro
Yesterday 04:03 PM
26 Posts
Joined Mar 2021
violentleafYesterday 04:03 PM
Original Poster
Pro
26 Posts
Quote from Timless :
Yea, this seems impossible. Passive cable length limit is 1 meter.
Per the USB-C specification table that discusses USB Type-C Standard Cable Assemblies that mentions a "≤ 0.8 m" limit for 40Gbps and 80Gbps cables:
The cable lengths listed in the table are informative and represent the practical lengths based on cable performance requirements.

There have existed 1.2m (4ft) certified 40/80Gbps cables on the market for a couple years now. A few 1.5m (4.9ft) cables have been certified in the last year. This cable is completely legitimate.
Last edited by violentleaf January 29, 2026 at 09:13 AM.
Yesterday 04:17 PM
118 Posts
Joined Dec 2017
seattleseahawk12Yesterday 04:17 PM
118 Posts
cable matters is a good quality product. i have several and have never had an issue
1
Yesterday 04:54 PM
6 Posts
Joined May 2025
FairScene6701Yesterday 04:54 PM
6 Posts
I'm thinking I'll try it, and if I can't get it to work for my 4k160Hz monitor, at least Amazon returns are easy.
2
Yesterday 05:53 PM
1,414 Posts
Joined Feb 2009
az060693Yesterday 05:53 PM
1,414 Posts
Good price for a certified cable of this length/spec. Cable Matters is legit as well.
You used to be able to look up reviews for Aliexpress cables to see which ones actually met the advertised spec to get them for a bit cheaper but prices have shot up with tariffs and whatnot so it's not really worth it for these USB 4v2/TB5 cables.
Yesterday 07:28 PM
142 Posts
Joined Jan 2020
GreyShoe978Yesterday 07:28 PM
142 Posts
Worth a flyer at this price thru amazon. If it doesn't work, return return return! LOL!
1

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Yesterday 09:01 PM
13 Posts
Joined Nov 2013
mozillafYesterday 09:01 PM
13 Posts
I'm looking at usb.org I see the USB-IF certification for the 3.9ft cable, but not the 4.9ft. Am I missing something?
Original Poster
Pro
Yesterday 09:11 PM
26 Posts
Joined Mar 2021
violentleafYesterday 09:11 PM
Original Poster
Pro
26 Posts

Our community has rated this post as helpful. If you agree, why not thank violentleaf

Quote from mozillaf :
I'm looking at usb.org I see the USB-IF certification for the 3.9ft cable, but not the 4.9ft. Am I missing something?
I actually contacted their support team about this. According to them, The TID for this cable is 12667. They are licensing it through this other manufacturer but are working through certification with their own USB VID.
3
Yesterday 09:49 PM
500 Posts
Joined Sep 2006
Alpine_Yesterday 09:49 PM
500 Posts
It looks like this is the normal price except for the past month where they raised it and just lowered it again?
Today 01:16 AM
872 Posts
Joined Apr 2008
sr27Today 01:16 AM
872 Posts
A whole $2 off!! I gotta get it.
1
3
Today 03:22 AM
1,265 Posts
Joined Apr 2013
avalonownerToday 03:22 AM
1,265 Posts
Thanks for posting this in feet. Bunch of nobody's care about metric.
1
2
Today 05:12 AM
617 Posts
Joined Nov 2010
jankyhankyToday 05:12 AM
617 Posts
Camel says this is normal price (although it is a good price for what it is)
Today 05:30 AM
318 Posts
Joined Aug 2011
JR007Today 05:30 AM
318 Posts
Quote from FairScene6701 :
I'm thinking I'll try it, and if I can't get it to work for my 4k160Hz monitor, at least Amazon returns are easy.
Agreed and ordered!

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Today 05:46 AM
1,730 Posts
Joined Jan 2006
whodiiniToday 05:46 AM
1,730 Posts
what a pleasant thread. People recognizing that a SD isnt just the cheapest no-name part, but a name brand, certified high quality product for a reasonable price. I will be getting one as well. I have several cable matters USB-IF certified cables and they all are well made and perform well.

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