2X Lenovo B450 B450A B450L X220 USB2.0 Jack port buchse connector | eBay
Lenovo ThinkPad X230 Docking Station Port Replicator USB 3.0 No Keys Dock Only | eBay
Lenovo ThinkPad X230 Tablet 3436 Docking Station
OEM 2.0 USB Jack Socket Connector for Lenovo ThinkPad X220 X220I X220T X230 X230i X230t motherboard Always on USB Port|Computer Cables & Connectors| - AliExpress
Lenovo charging port Type-C PD X220 X230 from MikePDiy on Tindie
Lenovo ThinkPad X220 Review - StorageReview.com
Lenovo charging port Type-C PD X220 X230 from MikePDiy on Tindie
X230] Dat express card, ALL the USB3 ports : r/thinkpad
Lenovo ThinkPad X230 Review - Notebook Reviews by MobileTechReview