j5create 8K USB-C to Dual HDMI Display Adapter - Grey - JCA465
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Product Information
Full details
The j5create 8K USB-C to Dual HDMI Display Adapter is designed for professionals, gamers, and multitaskers who need to expand their workstation with high-resolution external displays. It offers the benefit of supporting dual 4K monitors at 60Hz or a single ultra-high-resolution 8K display, significantly enhancing screen real estate for demanding workflows. A key caveat for potential buyers is that macOS does not support Multi-Stream Transport (MST) via this adapter, meaning connected displays on Mac computers will only mirror each other rather than extending the desktop.
All features
| Colour | Grey |
|---|---|
| Model Part Number | JCA465 |
| Brand | j5create |
Extended Product Information
FAQs
Does this adapter support laptop charging?
No, this adapter does not support USB Power Delivery (USB PD) and will not charge your laptop.
Can I use this with my MacBook?
Yes, it is compatible with USB-C MacBooks; however, due to macOS limitations regarding MST, both external displays will mirror the same image.
Do I need to install any drivers?
No, this is a plug-and-play device that works automatically once connected.
What is the maximum resolution for two displays?
When using two displays simultaneously, the maximum supported resolution for each is 4K at 60Hz.
Is this adapter compatible with Thunderbolt 4?
Yes, it is fully compatible with Thunderbolt 4 and USB4 ports.
Troubleshooting
External display is not showing an image
Verify that your laptop's USB-C port supports DisplayPort Alt Mode and ensure all cables are securely seated.
Monitors are mirroring instead of extending on Windows
Go to Windows Display Settings and ensure the 'Multiple Displays' setting is configured to 'Extend these displays' rather than 'Duplicate'.
Cannot achieve 4K or 8K resolution
Ensure your computer's GPU supports DisplayPort 1.4 with DSC. If the source hardware does not support these protocols, the output will default to lower resolutions.
Pros and Cons
Pros
- Supports extreme resolutions up to 8K
- Dual 4K at 60Hz capability for multitasking
- No drivers or external power required
- Compact and portable form factor
- Compatible with Thunderbolt 4 and USB4
Cons
- macOS does not support MST, resulting in mirrored displays only
- Requires host hardware to support DisplayPort 1.4 with DSC
- Does not provide USB Power Delivery (pass-through charging)
Setup, Compatibility & Care
Setup is straightforward: simply plug the USB-C connector into your laptop or tablet's compatible USB-C port and connect your HDMI cables to the two ports on the adapter. Ensure your host device has an available USB-C port that specifically supports DisplayPort Alt Mode.
To keep the device in top condition, avoid bending the integrated cable at sharp angles and keep the ports clear of dust and debris. The adapter operates safely within an ambient temperature range of 0°C to 45°C. When storing the device, keep it in a cool, dry place within the temperature range of -10°C to 71°C.