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frontpageKevinR6981 posted Jun 06, 2026 10:13 AM
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frontpageKevinR6981 posted Jun 06, 2026 10:13 AM

Cable Matters USB-C to 8K HDMI Adapter w/ 100W PD Passthrough Charging Support

$13

$18

27% off
Amazon
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Deal Details
Cable Matters via Amazon has Cable Matters Portable 48Gbps USB-C to 8K HDMI 2.1 Adapter w/ 100W PD Charging (201328-BLK) for $12.99. Shipping is free with Prime or on $35+ orders.

Thanks to community member KevinR6981 for posting this deal.

Product Info:
  • Up to 100W Power Delivery passthrough charging support
  • Thunderbolt 4 compatible
  • HDCP 2.3 and HDCP 2.2 support
  • Pocket-sized form factor with a foldable tethered cable
  • UPC: 810115182542

Editor's Notes

Written by RevOne | Staff
  • About this deal:
    • Our research indicates that this deal is $11.51 less (47% savings) than the next best available price from a reputable merchant with prices starting from $24.50 at the time of this posting.
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this store:

Original Post

Written by KevinR6981
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Cable Matters via Amazon has Cable Matters Portable 48Gbps USB-C to 8K HDMI 2.1 Adapter w/ 100W PD Charging (201328-BLK) for $12.99. Shipping is free with Prime or on $35+ orders.

Thanks to community member KevinR6981 for posting this deal.

Product Info:
  • Up to 100W Power Delivery passthrough charging support
  • Thunderbolt 4 compatible
  • HDCP 2.3 and HDCP 2.2 support
  • Pocket-sized form factor with a foldable tethered cable
  • UPC: 810115182542

Editor's Notes

Written by RevOne | Staff
  • About this deal:
    • Our research indicates that this deal is $11.51 less (47% savings) than the next best available price from a reputable merchant with prices starting from $24.50 at the time of this posting.
    • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.
  • About this store:

Original Post

Written by KevinR6981

Community Voting

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Price Intelligence

Model: Cable Matters Portable 48Gbps USB C to HDMI 2.1 Adapter with 100W Host Charging 4K 120Hz /8K 60Hz HDR - Thunderbolt 4 Compatible with iPhone 15 Pro Max - Maximum Resolution on Any MacBook is 4K@60Hz

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Sort: Lowest to Highest | Last Updated 6/12/2026, 05:49 AM
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Top Comments

sarcasmogratis
15169 Posts
2351 Reputation
I was curious why they listed the data bandwidth (I wanted to see if it could function as a hub or just HDMI & charging), so I Googled what data is required for their claimed video specs- and it seems like those resolutions are not possible at that data rate unless it is compressed.
Maybe someone with more knowledge on the topic can chime in

"To output 4K 240Hz or 8K 60Hz with HDR, you require raw data rates between 68 Gbps and 80 Gbps. Because this exceeds the maximum uncompressed limits of current cables (HDMI 2.1 caps at 48 Gbps), they rely on Display Stream Compression (DSC), compressing the bandwidth down to around 20–30 Gbps visually lossless"

12 Comments

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Jun 07, 2026 06:43 PM
15,169 Posts
Joined Feb 2007
sarcasmogratisJun 07, 2026 06:43 PM
15,169 Posts

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

I was curious why they listed the data bandwidth (I wanted to see if it could function as a hub or just HDMI & charging), so I Googled what data is required for their claimed video specs- and it seems like those resolutions are not possible at that data rate unless it is compressed.
Maybe someone with more knowledge on the topic can chime in

"To output 4K 240Hz or 8K 60Hz with HDR, you require raw data rates between 68 Gbps and 80 Gbps. Because this exceeds the maximum uncompressed limits of current cables (HDMI 2.1 caps at 48 Gbps), they rely on Display Stream Compression (DSC), compressing the bandwidth down to around 20–30 Gbps visually lossless"
Last edited by sarcasmogratis June 7, 2026 at 12:21 PM.
4
Jun 07, 2026 09:49 PM
751 Posts
Joined Jul 2009
serotoninzeroJun 07, 2026 09:49 PM
751 Posts
Quote from sarcasmogratis :
I was curious why they listed the data bandwidth (I wanted to see if it could function as a hub or just HDMI & charging), so I Googled what data is required for their claimed video specs- and it seems like those resolutions are not possible at that data rate unless it is compressed.
Maybe someone with more knowledge on the topic can chime in

"To output 4K 240Hz or 8K 60Hz with HDR, you require raw data rates between 68 Gbps and 80 Gbps. Because this exceeds the maximum uncompressed limits of current cables (HDMI 2.1 caps at 48 Gbps), they rely on Display Stream Compression (DSC), compressing the bandwidth down to around 20–30 Gbps visually lossless"
Yeah, I have a 4K240Hz monitor and you have to use DSC for that refresh rate. There's nothing I can notice about the image between 120Hz no-DSC vs. when its on.
Jun 08, 2026 01:34 AM
715 Posts
Joined Jul 2017
Nintendo1474Jun 08, 2026 01:34 AM
715 Posts

Our community has rated this post as helpful. If you agree, why not thank Nintendo1474

Quote from sarcasmogratis :
I was curious why they listed the data bandwidth (I wanted to see if it could function as a hub or just HDMI & charging), so I Googled what data is required for their claimed video specs- and it seems like those resolutions are not possible at that data rate unless it is compressed.
Maybe someone with more knowledge on the topic can chime in

"To output 4K 240Hz or 8K 60Hz with HDR, you require raw data rates between 68 Gbps and 80 Gbps. Because this exceeds the maximum uncompressed limits of current cables (HDMI 2.1 caps at 48 Gbps), they rely on Display Stream Compression (DSC), compressing the bandwidth down to around 20–30 Gbps visually lossless"
This is the limit of HDMI 2.1. This is likely listed because most cable specs nowadays are very confusing, poorly organized, and labeled inconsistently. The HDMI version doesn't mean anything, because all of its new features are basically optional. That's why they specifically label it as 48Gbps, to confirm the most important feature of 2.1 (higher bitrate) works with this adapter. Everything else that comes with 2.1 will generally follow the bitrate, such as DSC needed for 8K resolutions
3
Jun 09, 2026 04:14 PM
233 Posts
Joined Jan 2016
FunnyOlaJun 09, 2026 04:14 PM
233 Posts
Is this a good one? I want to use from iPhone to car hdmi input.
Jun 09, 2026 04:23 PM
135 Posts
Joined Jun 2012
leon3301Jun 09, 2026 04:23 PM
135 Posts
Not bad
Jun 09, 2026 04:27 PM
965 Posts
Joined Oct 2010
privaterJun 09, 2026 04:27 PM
965 Posts
Can confirm this works on push M1 Pro MacBook Pro to support 4k@120hz on my LG Tv
Jun 09, 2026 04:38 PM
330 Posts
Joined Mar 2017
ThegoodslitJun 09, 2026 04:38 PM
330 Posts
FYI: HDMI 2.1 is the second best video output in terms of bandwidth and performance. Only beaten by DP 2.1 which most monitors do not support since it's a newer technology. If you need the higher performance and your monitor does not support USB-C this is a good little device to have.

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Jun 09, 2026 04:43 PM
5,140 Posts
Joined Feb 2006
Azrael_the_CatJun 09, 2026 04:43 PM
5,140 Posts
Quote from FunnyOla :
Is this a good one? I want to use from iPhone to car hdmi input.
Probably doesn't matter much since the car screen is likely low resolution and frame rate.
Jun 09, 2026 04:59 PM
1,135 Posts
Joined May 2009
hajalie24Jun 09, 2026 04:59 PM
1,135 Posts
Wishful thinking but I assume this doesn't work with Samsung PPS (super fast charging)
Jun 09, 2026 09:05 PM
50 Posts
Joined Dec 2016
lpnjpJun 09, 2026 09:05 PM
50 Posts
This works for 6k 120hz mac to samsung 6k monitor?
Jun 10, 2026 01:24 AM
2 Posts
Joined Sep 2017
HiephyJun 10, 2026 01:24 AM
2 Posts
interesting
Yesterday 06:29 PM
169 Posts
Joined Dec 2014
DarrellIYesterday 06:29 PM
169 Posts
Anyone use one with a Steam Deck or any of the other portable consoles?

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