---
product_id: 268273440
title: "48Gbps Unidirectional USB C to HDMI 2.1 Adapter, Supports 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI2.1, HDMI 2.1 to USB C Adapter, Thunderbolt 5 Compatible - up to 4K@60Hz for macOS"
brand: "cable matters"
price: "B/.82"
currency: PAB
in_stock: true
reviews_count: 11
category: "Cable Matters"
url: https://www.desertcart.com.pa/products/268273440-48gbps-unidirectional-usb-c-to-hdmi-2-1-adapter-supports
store_origin: PA
region: Panama
---

# 48Gbps blazing bandwidth 4K @ 240Hz ultra-smooth refresh 8K @ 60Hz ultra clarity 48Gbps Unidirectional USB C to HDMI 2.1 Adapter, Supports 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI2.1, HDMI 2.1 to USB C Adapter, Thunderbolt 5 Compatible - up to 4K@60Hz for macOS

**Brand:** cable matters
**Price:** B/.82
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your visuals — don’t just watch, experience every pixel!

## Quick Answers

- **What is this?** 48Gbps Unidirectional USB C to HDMI 2.1 Adapter, Supports 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI2.1, HDMI 2.1 to USB C Adapter, Thunderbolt 5 Compatible - up to 4K@60Hz for macOS by cable matters
- **How much does it cost?** B/.82 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/268273440-48gbps-unidirectional-usb-c-to-hdmi-2-1-adapter-supports)

## Best For

- cable matters enthusiasts

## Why This Product

- Trusted cable matters brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Premium Durable Design:** Braided cable and aluminum housing ensure longevity and a sleek, professional look.
- • **Future-Proof 48Gbps Speed:** Experience lightning-fast data transfer that keeps your setup ahead of the curve.
- • **Wide Device Compatibility:** Works flawlessly with top-tier laptops, GPUs, and displays including Intel Evo, Nvidia RTX 3000+, and AMD RX 6000+.
- • **Stunning 8K & 4K HDR Support:** Unlock breathtaking visuals with up to 8K 60Hz or ultra-fluid 4K 240Hz HDR display compatibility.
- • **Seamless Thunderbolt 3/4/5 Compatibility:** Plug into the latest Thunderbolt standards for effortless connectivity across devices.

## Overview

The Cable Matters USB C to HDMI 2.1 Adapter delivers ultra-high bandwidth of 48Gbps, supporting stunning 8K resolution at 60Hz and ultra-smooth 4K at 240Hz HDR. Compatible with Thunderbolt 3, 4, and 5, it ensures future-proof connectivity for professional-grade laptops and GPUs. Its premium braided cable and aluminum enclosure provide durability and style, while wide compatibility covers Intel Evo, Nvidia RTX 3000/40 series, and AMD RX 6000/7000 series. Ideal for gamers, creatives, and professionals demanding flawless, high-resolution video and audio output.

## Description

desertcart.com: Cable Matters 48Gbps Unidirectional USB C to HDMI 2.1 Adapter, Supports 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI2.1, HDMI 2.1 to USB C Adapter, Thunderbolt 5 Compatible - up to 4K@60Hz for macOS : Electronics

Review: 4k 120hz on Mac - Works great. Gives me 4k 120hz on mac os through a thunderbolt 5 doc. I got the 201388 version and it took 2 minutes to flash the new firmware with a PC. Great it if you want 4k 120hz on mac.
Review: The type c to hdmi 2.1 works with the lg 42c2 on 4k 120hz 12 bit RGB wtihout any issues. - This is the second time that I buy a type c/display port to HDMI 2. The first one was ULT-WIIQ-US 6.6ft, DP 1.4a to HDMI 2.1. Unfortunately, this cable had audio issues, it stutters every 30 seconds and after 4 days it stopped working on 4k 120hz RGB. I researched a lot on these adapters and I found out that my RTX 2070 support type c video out display port alt mode, so I searched these adapters too. It seems that many of these adapters suffers from overheating, signal loss when switching in and out of HDR. Also, some of them require USB power. It seems the most of these adapters use the same chipset, but, it is the firmware that cause these issues. Then I saw that Cable Matters provide firmware update for some of the display port/type c to HDMI 2.1 that mention many bugs fixes related to issues that I mentioned. I decided to buy the short adapter and buy a hdmi 2.1 cable instead of the cable type, as the adapter is more expensive than the cable and it reduce the chance for it to stop working properly. The longer the cable is, there is a higher chance for failure. As soon I got it I download the latest firmware update from Cable Matters website and saw that the cable is on older firmware, so I update it . It takes very short time, and it works without issues. I can send HDR signal without losing signal, the audio does not have any issues and as I wrote in the title, it works on 4k 120 Hz 12 bit RGB. I will update the review if the adapter will fail.

## Features

- Certified USB-C to HDMI 2.1 Adapter: Upgrade to HDMI 2.1 or future-proof your setup with the Cable Matters USB C to HDMI 2.1 Adapter; HDMI to USB C cable adapter combines the latest HDMI 2.1 standard with the versatility of USB-C; The HDMI USB C adapter (USB C adapter to HDMI) supports up to 8K 60Hz resolution on compatible displays and devices; HDMI to Type C adapter is perfect for ultra high resolution displays
- Stunning 8K@60Hz / 4K@240Hz Resolution: Connect 8K or 4K 240 Hz gaming monitors and TVs to laptops, smartphones, tablets, and more with a USB HDMI adapter; USBC to HDMI adapter (USB-C to HDMI adapter) supports a maximum video resolution of 8K 60Hz with RGB 4:4:4; Enjoy high-quality video with no loss in picture quality with the Thunderbolt 3 / Thunderbolt 4 to HDMI adapter
- Vivid Video Experience: The 8K HDMI to Thunderbolt adapter supports USB-C devices with DP Alt Mode support; This Thunderbolt to HDMI adapter is Thunderbolt 5 / Thunderbolt 4 /Thunderbolt 3 compatible; USB-C adapter supports HDR for breathtaking colors; Auto Low Latency Mode (ALLM) support for lag-free gaming with the HDMI to USBC adapter; Enjoy surround sound audio for lifelike sound with the USB C HDMI adapter
- Wide Compatibility: Take advantage of 8K resolution support on a newer desktop computer or laptop like Lenovo, DELL XPS with the USB C to HDMI 8K adapter; The USB C HDMI cable is compatible with newer Nvidia RTX 3000 series and AMD Radeon RX6000 series graphics cards or USB4 (USB 4) and Thunderbolt 4 port on a laptop with 11th generation Intel Tiger Lake CPU and Intel Iris Xe graphics or later versions; 8K video is compatible with Intel Evo laptops using the USB Type C to HDMI adapter
- Important Notes: Achieving 8K@60Hz or 4K@240Hz requires a compatible graphics card (NVIDIA RTX 2060/30/40 series, AMD RX 6000/7000 series, or Intel 11th/12th Gen with Iris Xe or newer), an HDMI 2.1 display, and a certified HDMI 2.1 cable. Actual output depends on your laptop and USB-C port. macOS is limited to 4K 60Hz over USB C to HDMI. For higher refresh rates on macOS, use our firmware-enhanced adapter (ASIN B0DCN798Y1 / Model 201488). VRR/G-Sync/FreeSync are not supported.
- Innovative and Durable Design: Premium construction of the USB C to HDMI adapter 4k 120hz features a premium braided cable for durability and prevents fraying; Metal connectors and aluminum enclosure of the USB-C HDMI adapter provides a premium look and feel and improves the performance of the HDMI 2.1 to USB C adapter.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08MSWMXT4 |
| Best Sellers Rank | #70 in Thunderbolt Cables |
| Customer Reviews | 4.3 4.3 out of 5 stars (829) |
| Date First Available | November 4, 2020 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.634 ounces |
| Item model number | 201388-A |
| Manufacturer | Cable Matters |
| Package Dimensions | 7.72 x 3.35 x 0.43 inches |

## Product Details

- **Brand:** Cable Matters
- **Color:** Gray
- **Compatible Devices:** Laptop, Projector, Television
- **Connector Type:** USB Type C
- **Specific Uses For Product:** TV, PC, Monitor, Laptop

## Images

![48Gbps Unidirectional USB C to HDMI 2.1 Adapter, Supports 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI2.1, HDMI 2.1 to USB C Adapter, Thunderbolt 5 Compatible - up to 4K@60Hz for macOS - Image 1](https://m.media-amazon.com/images/I/71WlITM-lhL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Is this adapter bidirectional?**
A: No. It only coverts video from USB-C with DP Alt Mode or Thunderbolt 3/4/5 ports (host) to HDMI displays. It does not support HDMI sources like PS5 or Xbox to USB-C devices.

**Q: Does this adapter work with macOS?**
A: Yes, but macOS systems are limited to 4K@60Hz output over USB-C/Thunderbolt, regardless of the display’s capabilities.

**Q: Why do I experience flickering or no signal?**
A: Use a short certified HDMI 2.1 cable and confirm HDMI 2.1 mode is enabled on your display. Try lowering resolution or refresh rate. Search “Cable Matters 48Gbps Adapter Troubleshooting” for further instructions.

**Q: Why am I not getting 8K or 4K 240Hz?**
A: It require a GPU that supports 8K or 4K240Hz over USB-C (RTX 20/30/40, RX 6000/7000, Intel 11th/12th Gen or newer), an HDMI 2.1 display, and a certified HDMI 2.1 cable. Enable HDMI 2.1 mode on your display and drivers are up to date.

**Q: Why do I get only 4K@120Hz with Intel GPUs and Acer monitors?**
A: This is a known compatibility limitation with Intel GPU and Acer monitor setup when using this product. With AMD or NVIDIA GPUs, the same monitor can reach 4K@144Hz or higher.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 4k 120hz on Mac
*by C***N on January 31, 2026*

Works great. Gives me 4k 120hz on mac os through a thunderbolt 5 doc. I got the 201388 version and it took 2 minutes to flash the new firmware with a PC. Great it if you want 4k 120hz on mac.

### ⭐⭐⭐⭐⭐ The type c to hdmi 2.1 works with the lg 42c2 on 4k 120hz 12 bit RGB wtihout any issues.
*by R***. on November 14, 2022*

This is the second time that I buy a type c/display port to HDMI 2. The first one was ULT-WIIQ-US 6.6ft, DP 1.4a to HDMI 2.1. Unfortunately, this cable had audio issues, it stutters every 30 seconds and after 4 days it stopped working on 4k 120hz RGB. I researched a lot on these adapters and I found out that my RTX 2070 support type c video out display port alt mode, so I searched these adapters too. It seems that many of these adapters suffers from overheating, signal loss when switching in and out of HDR. Also, some of them require USB power. It seems the most of these adapters use the same chipset, but, it is the firmware that cause these issues. Then I saw that Cable Matters provide firmware update for some of the display port/type c to HDMI 2.1 that mention many bugs fixes related to issues that I mentioned. I decided to buy the short adapter and buy a hdmi 2.1 cable instead of the cable type, as the adapter is more expensive than the cable and it reduce the chance for it to stop working properly. The longer the cable is, there is a higher chance for failure. As soon I got it I download the latest firmware update from Cable Matters website and saw that the cable is on older firmware, so I update it . It takes very short time, and it works without issues. I can send HDR signal without losing signal, the audio does not have any issues and as I wrote in the title, it works on 4k 120 Hz 12 bit RGB. I will update the review if the adapter will fail.

### ⭐⭐⭐⭐⭐ Works Great
*by B***S on February 9, 2026*

Works Great

## Frequently Bought Together

- Cable Matters 48Gbps USB C to HDMI 2.1 Adapter, Supports 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI2.1, HDMI 2.1 to USB C Adapter, Compatible with Thunderbolt 5 - Max Resolution on Mac is 4K@60Hz
- Cable Matters 80Gbps USB C to DisplayPort 2.1 Adapter, 16K@60hz, 8K@240hz, 4K@960Hz and HDR Support - Thunderbolt 5/4, USB4 Compatible with VR Headset, MacBook Pro, iPad Pro, XPS, Surface Pro
- Cable Matters 32.4Gbps USB C to DisplayPort 1.4 Adapter, 4K@240hz, 8K@60hz, and HDR Support -Thunderbolt 4 / USB4 Compatible with Oculus Rift S, iPad Pro, iPhone 16/15 Pro, MacBook Pro, XPS, Surface

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-03-10*