ATEN US3311 2-Port 4K DisplayPort USB-C KVM Switch with Power Pass-through | Duo Flex (8K, USB 3.2 / 4.0, Thunderbolt 4 Compatible)
- 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.
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.
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.
| Computer Connections | 2 |
| Connectors | |
| Computer | CPU1: 1 x USB Type C Female CPU2: 1 x USB Type C Female |
| Device | 4 x USB 3.2 Gen 1 Type-A Female |
| Video Output | 1 x DisplayPort Female |
| Power |
1 x DC jack for 12V 3.3A *Supports maximum 100W USB-C PD power adapter input. |
| Port Selection | |
| Input | Port Switch Button |
| Video Resolution |
3840 x 2160@60 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. |
| System Requirements |
Windows 10 and above, USB-C enabled computer with DP Alt Mode* Mac OS X 10.12 and later, USB-C enabled computer Android 8.0 and later, USB-C enabled Smartphone with DP Alt Mode** iPadOS 13.1 and later, iPad Pro (USB-C)* iOS 17.1 and later* |
| Power | |
| Maximum Input Power Rating | DC12V, 3.3A |
| Power Consumption |
DC12V:1.68W:117BTU/h Note: |
| LEDs | |
| Selected | 2 (White) |
| Environmental | |
| Operating Temperature | 0–40°C |
| Storage Temperature | -20–60°C |
| Humidity | 0–80% RH, Non-condensing |
| Physical Properties | |
| Housing | Aluminum |
| Weight | 0.35 kg ( 0.77 lb ) |
| Dimensions (L x W x H) | 14.30 x 11.90 x 2.38 cm (5.63 x 4.69 x 0.94 in.) |
| Note | For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format. |


