Lenovo's flagship business ultrabook includes two Thunderbolt 4 ports, full-size HDMI 2.1, and two USB-A ports for smooth legacy device compatibility. The HDMI 2.1 output drives 4K@60Hz natively without adapters, and both TB4 ports support independent 40Gbps displays via daisy-chaining. Power Delivery reaches 100W through either Thunderbolt port while driving external monitors. Here's every port and the cables you'll need.
Lenovo ThinkPad X1 Carbon Gen 11 business ultrabook featuring two Thunderbolt 4 ports, two USB-A ports for legacy compatibility, HDMI port (TMDS signaling), and 3.5mm audio jack.
Device Information
- Manufacturer
- Lenovo
- Release Year
- 2023
- Model Number
- ThinkPad X1 Carbon Gen 11 (21HM/21HN)
- Category
- laptop
Available Ports
| Connector | Quantity | Label | Notes |
|---|---|---|---|
| Thunderbolt 4 (USB-C) | 2 | Left side | 40Gbps, DisplayPort 1.4a Alt Mode, Power Delivery 3.0 |
| USB Type-A (USB 3.2 Gen 1) | 2 | Left side (1), Right side (1) | 5Gbps, one port supports Always On USB charging |
| HDMI 2.1 (Type A - Standard) | 1 | Left side | HDMI 2.1 TMDS (NOT FRL) - max 4K@60Hz only. Does NOT support 4K@120Hz |
| 3.5mm TRRS (Headset with Mic) | 1 | Right side | Headphone/microphone combo jack |
Notes & Compatibility
CRITICAL: HDMI port uses TMDS signaling (18Gbps), NOT FRL. Maximum output is 4K@60Hz despite '2.1' marketing. Cannot drive 4K@120Hz displays. Use Thunderbolt/USB-C for high-refresh displays. Optional 4G/5G WWAN available.
