Lenovo ThinkPad Thunderbolt 3 Dock Gen 2 135W Dual UHD 4K Display

The ThinkPad Thunderbolt 3 Dock is supported on the following Lenovo systems:
X1 Yoga 2nd Gen (Type 20JD, 20JE, 20JF, 20JG)
X1 Carbon (5th Gen) - KabyLake (20HR, 20HQ)
X1 Carbon (5th Gen) - Skylake (Type 20K4, 20K3)
T470, T470s, T570, P51s (20HB, 20HC)
P51s (20JY, 20K0), Yoga 370
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X1 Yoga 2nd 20JD, 20JE, 20JF, 20JG
X1 Carbon 5th (Gen) 20HQ, 20HR
20K3, 20K4
T470 20HD, 20HE
20JM,20JN
T470s KBL: 20HF, 20HG
SKL: 20JS, 20JT
T570 KBL: 20H9, 20HA
SKL: 20JW, 20JX
P51s 20HB, 20HC
20JY, 20K0
Yoga 370 20JH, 20JJ, 20JK, 20JL
X280