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.