2-Port 4K DisplayPort USB-C KVM Switch with Power Pass-through | Duo Flex (8K, USB 3.2 / 4.0, Thunderbolt 4 Compatible) – US3311
- 2-in-1 solution for 2 USB-C host devices – combines a KVM switch and a multiport dock with 4 x USB 3.2 Gen 1 Type-A ports, 1 x DisplayPort, 1 x USB-C PD input, and 1 x DC jack input
- Supports DP 1.4 Alt Mode
- Superior video quality – up to 8K 7680 × 4320, 4K 3840 x 2160 @ 144 / 120 / 60 Hz*
- Supports PD 3.0 up to 100 W USB PD charging – allows your laptop to obtain the maximum power via your USB-C power adapter
Note: Please make sure your host device and its accessories meet the Thunderbolt 4 or USB 4.0, with DP 1.4 specifications to deliver up to 4K @ 144 / 120 Hz and 8K resolutions. The USB bandwidth may be limited to USB 2.0 when the video output resolution is over 4K @ 60 Hz.
- All Features
Description
Switch Between 2 USB-C and/or Thunderbolt 3/4 Devices
ATEN Duo Flex 2-port 4K DisplayPort USB-C KVM Switch enables plug-n-play USB-C cable connection so that 2 USB-C and/or Thunderbolt 3/4 devices can share 1 monitor and 1 keyboard and mouse set, plus 4-port USB 3.2 SuperSpeed connectivity significantly to save desk space and boost your efficiency.
*Note: Please make sure your host device and its accessories meet the Thunderbolt 4 or USB 4.0, with DP 1.4 specifications to deliver up to 4K @ 144 / 120 Hz and 8K resolutions. The USB bandwidth may be limited to USB 2.0 when the video output resolution is over 4K @ 60 Hz.
Minimal Design, Maximum Impact

Superb 4-Port SuperSpeed Expansion
With 4 USB 3.2 gen1 ports, transfer data at up to 5Gb/s. Charge and power external devices, no need for an extra USB hub.

Support for Apple iPhone 15 Pro Series / MacBook Pro and Air Series / Mac Series / Samsung DeX
Designed to work with Apple iPhone 15 Pro series, MacBook Pro/Air series (including latest M1/M2/M3 chip models) with built-in USB-C or Thunderbolt 3/4 connectivity, all Mac series and Samsung DeX devices, it offers support for USB Power Delivery 3.0, allowing laptops to charge at up to 100W (requires an extra USB-C Power Adapter).
*Note: Please refer to User Manual for the list of supported MacBook models.

DisplayPort Alt Mode to Switch for Optimal Display Output
Press and hold the Port Switch button for 3 seconds to toggle between DP Alt 2-Lane and 4-Lane modes for the best video performance. In setups with mixed DP 1.2 and DP 1.4 configurations, each mode is optimized for different purposes:
• 2-Lane Mode: Prioritizes bandwidth for USB data transfer
• 4-Lane Mode: Optimizes high-resolution visual output
Note: Pressing the Port Switch button briefly allows for quick switching between two computer systems.
For more information about 2 Lane and 4 Lane modes, please refer to the user manual.
Exceptional AV Performance in Vivid 8K & 4K@144/120Hz
ATEN Duo Flex 2-port USB-C KVM Switch supports up to 8K and 4K@144/120Hz, and also works with 21:9 Ultrawide and 32:9 super Ultrawide monitors for graphics-intensive work.
* Note: Please make sure your host device and its accessories meet the Thunderbolt 4 or USB 4.0, with DP 1.4 specifications to deliver up to 4K @ 144 / 120 Hz and 8K resolutions. The USB bandwidth may be limited to USB 2.0 when the video output resolution is over 4K @ 60 Hz.

Work while Charging with 100W Power Delivery
Support for USB Power Delivery 3.0 enables the USB-C KVM switch to function as a charging station, allowing laptops to charge at up to 100W for optimized productivity.
Note: An additional USB-C power adapter is required for up to 100W power delivery.
3-Second Fast Switching with Superior Desktop Productivity
Exclusive ATEN technology brings astoundingly fast switching speed. Switching between two systems takes three seconds, making your workflow more efficient than ever before.
*This result is tested by ATEN. Actual switching speed may differ based on your computer’s performance.

Get the Most Out of Your KVM Switch
Utilize the ATEN KVM Utility software to unlock additional useful features, including hotkey switching and USB Silent Removal, enhancing efficiency in all your tasks.
* Please download the “ATEN KVM Utility” application on the Microsoft Store or Mac App Store.

45 Years of Quality Assurance
As the leading brand in KVM switches, ATEN has entered its 45th year this year. Exquisite manufacturing processes and stable quality are ATEN’s commitment to consumers. Utilizing industrial-grade rigorous manufacturing techniques and software design, the ATEN Duo Flex is capable of effortlessly handling any consumer-level application.

Thoughtful Accessories
The ATEN Duo Flex package includes a power adapter and power cord, along with two stable and high-speed USB-C cables. This ensures that users do not need to separately purchase a power supply to use the device stably. The high-speed USB-C cables also enable connected devices to operate at a fast and stable performance.

Unlimited Possibilities
ATEN Duo Flex 2-port USB-C KVM Switch is perfectly suited to graphics / data intensive and multitasking operations.

It’s an excellent space saver!
It only requires one cable to power everything up, show the screen on my 4K display, and to switch my mouse and keyboards between devices.
Perfectly fits my needs
This KVM delivers on the promise of multiple features over USB-C. It handily switches video and USB peripherals between devices.


Best investment!
It allows me to share my mouse and keyboard with my MBP (MacBook Pro) when I just want to quickly sit down and work. It’s an incredible time-saver!
Wish I bought it sooner!
It’s a game-changer that enhances productivity and efficiency.

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