Aten KVM Switch, 4K DisplayPort USB-C, 2 Port - 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
Built to deliver easy control and seamless switching between dual USB-C hosts, the US3311 is a 2-in-1 solution combining a KVM switch and a multiport dock with 4 x USB Type-A ports, 1 x DisplayPort, 1 x USB-C PD input, and 1 x DC jack input. Quick switching from one laptop to the other is made easy through one press of the dedicated port switch button, enabling use of the same USB peripherals and a single DisplayPort monitor for two host devices. Work efficiency is boosted without the need to switch workstations or unplug peripherals.
Other highlights include video resolution support for up to 8K 7680 × 4320, 4K 3840 x 2160 @ 144 / 120 / 60 Hz* , ensuring that every video detail is displayed in crisp UHD quality. The US3311 is a 4-port USB 3.2 Gen 1 Type-A hub with up to 5 Gbps data transfer rates while supporting high-speed downstream devices. Furthermore, the Power Delivery 3.0 technology enables charging of the host device with up to 100 W, allowing your laptop to obtain the maximum power via your USB-C power adapter. The US3311 helps save valuable desk space and expands the functionality and connectivity of your Mac laptops, creating an ultra-powerful USB-C workstation.
- 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*
- USB 3.2 Gen 1 compliant
- Up to 5 Gbps data transfer rates
- 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
- Host devices can be selected with the included port switch button or the hotkeys set via ATEN KVM Utility app
- Plug-and-Play – no drivers needed
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.
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.
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.
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.

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Computer Connections |
2 |
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Connectors |
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Computer |
CPU1: |
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Device |
4 x USB 3.2 Gen 1 Type-A Female |
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Video Output |
1 x DisplayPort Female |
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Power |
1 x DC jack for 12V 3.3A |
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Port Selection |
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Input |
Port Switch Button |
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Video Resolution |
3840 x 2160@60 |
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System Requirements |
Windows 10 and above, USB-C enabled computer with DP Alt Mode* |
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Power |
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Maximum Input Power Rating |
DC12V, 3.3A |
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Power Consumption |
DC12V:1.68W:117BTU/h |
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LEDs |
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Selected |
2 (White) |
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Environmental |
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Operating Temperature |
0–40°C |
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Storage Temperature |
-20–60°C |
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Humidity |
0–80% RH, Non-condensing |
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Physical Properties |
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Housing |
Aluminium |
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Weight |
0.35 kg ( 0.77 lb ) |
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Dimensions (L x W x H) |
14.30 x 11.90 x 2.38 cm |
US3311 Datasheet PDF