Selore&S-Global USB C to Dual HDMI Adapter 4K @60hz, Type C to HDMI Converter for MacBook Pro Air 2020/2019/2018,LenovoYoga 920/Thinkpad T480,Dell XPS 13/15/17,etc
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AI Verdict
This USB-C adapter delivers dual 4K@30Hz extended displays for Windows users, but only mirror mode for macOS, requiring specific Thunderbolt 3/4/5 or full-featured USB-C ports.
This adapter is a strong fit for Windows users who need to drive two 4K@30Hz displays from a compatible USB-C port. However, its limitation to mirror mode on macOS significantly restricts its utility for Apple users seeking extended desktops.
If you need extended dual displays on macOS, look for adapters that explicitly state DisplayLink support, or those offering higher dual 4K refresh rates if 30Hz is insufficient.
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Pros
- Supports a single 4K display at 60Hz resolution.
- Enables dual 4K displays at 30Hz resolution for Windows operating systems.
- Offers Multi-Stream Transport (MST) technology for extended desktop on Windows.
- Features a plug-and-play setup without requiring drivers or software.
- Weighs 2.4 ounces, making it lightweight and portable.
- Compatible with Thunderbolt 3/4/5 ports and full-featured USB-C ports.
Cons
- Mac OS only supports mirror mode, preventing extended dual displays.
- Not compatible with all USB-C port laptops, specifically mentioning HP Pavilion and Lenovo IdeaPad series.
- Requires HDMI 2.0 cables or better to achieve 4K resolution output.
- May require manual adjustment of default audio output settings on the system preferences.
Dimension Scores
As a small, lightweight adapter (2.4 ounces), it's easy to carry and use without adding bulk to a setup.
The adapter itself has no adjustable parts, functioning as a static connection point.
The product's budget price band and lack of specific material details suggest an average build quality for its category, with a Space Gray color.
Its compact size (2.5 x 2.4 x 0.6 inches) and Space Gray color offer a clean, unobtrusive look that blends with many modern devices.
Best For
- Windows users needing two external 4K@30Hz displays for productivity.
- Users with Thunderbolt 3/4/5 or full-featured USB-C ports on their laptops.
- Presentations or shared viewing where dual mirrored displays on macOS are acceptable.
- Gaming on a single external 4K@60Hz display from a compatible USB-C device.
Not Recommended For
- Mac users who require two distinct, extended external displays.
- Laptops with basic USB-C ports that do not support DisplayPort Alt Mode.
- Users expecting 4K@60Hz output on two monitors simultaneously.
Watch Out For
- Mac OS users will only get a mirrored display across two external monitors, not an extended desktop.
- The adapter is not compatible with all USB-C ports; specifically, it won't work with HP Pavilion or Lenovo IdeaPad series, requiring a Thunderbolt 3/4/5 or full-featured USB-C port with DP Alt Mode.
- Achieving 4K resolution requires using HDMI 2.0 cables or better, which are not included.
- Users might need to manually change the 'default audio output device' in system preferences to get sound through the connected monitors.
Full Specifications
| ASIN | B07QKVY23Q |
| Brand | Selore&S-Global |
| Color | Grey |
| Item Weight | 2.4 ounces |
| Manufacturer | Selore&S-Global |
| Special Feature | Plug and Play |
| Item model number | SEUC0703 |
| Hardware Interface | USB 3.0 |
| Product Dimensions | 2.5 x 2.4 x 0.6 inches |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Users frequently highlight the ease of setup for Windows machines, often praising its plug-and-play functionality for extending to two 4K@30Hz displays. However, a recurring point of frustration is the strict limitation to mirror mode on macOS, which many buyers overlook before purchasing. Compatibility with specific USB-C port types also causes confusion, with some users finding it doesn't work with their laptops despite having a USB-C port.
“Ugh, it works fine for my work laptop with Windows, two screens at 4K, but my MacBook? Just mirrors everything, what a waste for my home setup.”
Common Praise
- Plug-and-play functionality on Windows systems is straightforward.
- Successfully drives two 4K displays at 30Hz on Windows without issues.
- Compact and lightweight design makes it easy to transport.
- Effective for presentations or sharing content on two screens in mirror mode on macOS.
Common Complaints
- Mac OS only supports mirrored displays, not extended displays, which is a major drawback for some users.
- Not all USB-C ports are compatible; specifically, it doesn't work with HP Pavilion or Lenovo IdeaPad series, leading to unexpected non-functionality.
- Some users report needing to manually adjust audio settings to get sound through the HDMI monitors.
- Requires HDMI 2.0 cables for 4K output, which isn't always clear to buyers.
Ownership Tips
- Always double-check your laptop's USB-C port for Thunderbolt or DP Alt Mode support before buying.
- You'll definitely need HDMI 2.0 cables if you want to hit that 4K resolution, don't cheap out on those.
- Be prepared to dig into your sound settings if you don't hear anything from your monitors after plugging them in.
- If you're on a Mac, just know you're stuck with mirroring, so don't expect a true dual-monitor workstation.
Frequently Asked Questions
Does this adapter allow my MacBook to have two different external screens?
No, for Mac OS, this adapter only supports mirror mode, meaning both external screens will show the same content as your MacBook's display, or each other.
What kind of USB-C port do I need for this adapter to work?
You need a device with a Thunderbolt 3, Thunderbolt 4, Thunderbolt 5, or a full-featured USB-C port that supports DisplayPort Alt Mode (DP Alt Mode). It will not work with basic USB-C ports that lack video output capabilities.
Can I get 4K@60Hz on both monitors simultaneously?
No, the adapter supports a single 4K display at 60Hz, but when connecting two monitors, the resolution for each will be 4K at 30Hz.
Is this adapter plug and play, or do I need to install drivers?
It is plug-and-play, meaning no drivers or software installation are required for most compatible systems.
What if I don't get sound through my external monitors?
You may need to manually adjust the 'default audio output device' in your computer's system preferences to route the sound to your connected HDMI monitors.
Buying Guide
When looking at USB-C to dual HDMI adapters, you need to understand that not all USB-C ports are created equal. Your laptop's USB-C port must support 'DisplayPort Alt Mode' or be a Thunderbolt 3/4/5 port for video output to work. Also, operating system limitations are real; Windows typically handles extended displays better than macOS with these types of adapters.
USB-C (Thunderbolt 3/4/5, full-featured USB-C, USB4)
This isn't just about the physical shape of the port. These specific types of USB-C ports have the internal wiring to carry video signals, unlike basic USB-C ports that might only be for charging or data transfer. Think of it like a highway: some roads are just for cars, others are for cars and trucks; you need the right kind of road for video data.
4K@60Hz (single), 4K@30Hz (dual)
This tells you the maximum resolution and refresh rate. 4K means a very sharp picture. 60Hz is smooth for everyday use and gaming. When it says 'dual 4K@30Hz,' it means if you connect two 4K monitors, each will run at 30 frames per second, which can feel a bit less smooth than 60Hz, especially for fast-moving content or mouse movements.
MST (Multi-Stream Transport)
MST is a technology that allows a single video output from your computer to drive multiple independent displays. Windows supports this, letting you extend your desktop across two monitors. macOS, however, often treats MST as a single display, resulting in mirrored content across the external screens.
Alternatives
If this adapter doesn't fit your needs, especially for macOS extended displays, search for 'DisplayLink USB-C to dual HDMI adapter' or 'USB-C docking station with dual 4K@60Hz support' for higher refresh rates on multiple screens.
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