Ports Spec: 1 x DVI-D (25 pin) Female
1 x DVI-I (29 pin) Female
2 x USB 3.0 A (Fast-Charge, 9 pin) Female
3 x USB Type-A (9 pin) USB 3.0 (5 Gbps) Female
1 x RJ-45 Female
1 x 3.5 mm Mini-Jack (4 Position) Female
1 x USB Type-B (9 pin) USB 3.0 Female
Compatibility: THINKPAD X1 CARBON GEN 9, X1 CARBON GEN 9 20XW, X1 CARBON GEN 9 20XX, X1 YOGA GEN 6, X1 YOGA GEN 6 20XY, X1 YOGA GEN 6 20Y0, X1 CARBON GEN 10, X1 CARBON GEN 10 21CB, X1 CARBON GEN 10 21CC, X1 YOGA GEN 7, X1 YOGA GEN 7 21CD, X1 YOGA GEN 7 21CE, X1 CARBON GEN 11, X1 CARBON GEN 11 21HM, X1 CARBON GEN 11 21HN, X1 YOGA GEN 8, X1 YOGA GEN 8 21HQ, X1 YOGA GEN 8 21HR