Compatible with laptops as :

Lenovo ThinkPad T550 Series
Lenovo ThinkPad T550 - 20CJ0007AU
Lenovothinkpad T550 - 20CJ0008AU
Lenovo ThinkPad T550 - 20CJ0009AU
Lenovo ThinkPad T550 - 20CJ000DAU
Lenovo ThinkPad T550 - 20CJ000FAU
Lenovo ThinkPad T550 - 20cj000hau
Lenovo ThinkPad T550 - 20cj000jau
Lenovo ThinkPad T550 - 20cj000kau
Lenovo ThinkPad T550 - 20CJ000XAU
Lenovo ThinkPad T550 - 20CJ000YAU
Lenovo ThinkPad T550 - 20CJ0010AU
Lenovo ThinkPad T550 - 20CJ0011AU
Lenovo ThinkPad T550 - 20CJ0012AU
Lenovo ThinkPad T550 - 20CJ0013AU
Lenovo ThinkPad T550 - 20CJ0019AU
Lenovo ThinkPad T550 - 20CJ001AU
Lenovo ThinkPad T550 - 20cj001bau
Lenovo ThinkPad T550 - 20CJ001CAU
Lenovo ThinkPad T550 - 20CJ001DAU
Lenovo ThinkPad T550 - 20cj001eau
Lenovo ThinkPad T550 - 20CJ001FAU
Lenovo ThinkPad T550 - 20cj001gau
Lenovo ThinkPad T550 - 20CJ001HAU
Lenovo ThinkPad T550 - 20CJ001JAU
Lenovo ThinkPad T550 - 20CJ001kau
Lenovo ThinkPad T550 - 20cj001lau
Lenovo ThinkPad T550 - 20CJ001MAU
Lenovo ThinkPad T550 - 20CJ001NAU
Lenovo ThinkPad T550 - 20CJ001PAU
Lenovo ThinkPad T550 - 20CJ001QAU
Lenovo ThinkPad T550 - 20CJ001RAU
Lenovo ThinkPad T550 - 20cj001sau
Lenovo ThinkPad T550 - 20CJ001tau
Lenovo ThinkPad T550 - 20cj001uau
Lenovo ThinkPad T550 - 20CJ001VA
Lenovo ThinkPad T550 - 20cj001wau
Lenovo ThinkPad T550 - 20CJ001XAU
Lenovo ThinkPad T550 - 20CJ0028AU
Lenovo ThinkPad T550 - 20cja002au
Lenovo ThinkPad T550 - 20cja00bau
Lenovo ThinkPad T550 - 20CJA00DAU
Lenovo ThinkPad T550 - 20CJA00EAU
Lenovo ThinkPad T550 - 20cja00gau
Lenovo ThinkPad T550 - 20CJA00RAU
Lenovo ThinkPad T550 - 20CJA00VAU
Lenovo ThinkPad T550 - 20cja00wau
Lenovo ThinkPad T550 - 20CJA01AU
Lenovo ThinkPad T550 - 20cja01hau
Lenovo ThinkPad T550 - 20CJA01QAU
Lenovo ThinkPad T550 - 20CJA026AU
Lenovo ThinkPad T550 - 20cja027au
Lenovo ThinkPad T550 - 20CJA02AAU
Lenovo ThinkPad T550 - 20CJA03QAU
Lenovo ThinkPad T550 - 20cja03yau
Lenovo ThinkPad T550 - 20CJA04NAU
Lenovo ThinkPad T550 - 20CJA0A000
Lenovo ThinkPad T550 - 20CJA0ABAU
Lenovo ThinkPad T550 - 20CJA0Btau
Lenovo ThinkPad T550 - 20cja0c8au
Lenovo ThinkPad T550 - 20CJA0CBAU
Lenovo ThinkPad T550 - 20CJA0CQNZ
Lenovo ThinkPad T550 - 20CJCTO1WW
Lenovo ThinkPad T550 - 20CJS01300
Lenovo ThinkPad T550 - 20CJS02B0D
Lenovo ThinkPad T550 - 20CJS02P01
Lenovo ThinkPad T550 - 20CJS0EJ1F
Lenovo ThinkPad T550 - 20CJS0FX00
Lenovo ThinkPad T550 - 20CJS0G416
Lenovo ThinkPad T550 - 20CJS0GS00
Lenovo ThinkPad T550 - 20CJS0JU07
Lenovo ThinkPad T550 - 20CJS0NN02
Lenovo ThinkPad T550 - 20CJS0NP0H
Lenovo ThinkPad T550 - 20CJS0Up05
Lenovo ThinkPad T550 - 20CJS1KB00
Lenovo ThinkPad T550 - 20CJS1VL00
Lenovo ThinkPad T550 - 20CJS1VM00
Lenovo ThinkPad T550 - 20ck000eus
Lenovo ThinkPad T550 - 20CK000gus
Lenovo ThinkPad T550 - 20ck000yau
Lenovo ThinkPad T550 - 20CK0010AU
Lenovo ThinkPad T550 - 20CK0011AU
Lenovo ThinkPad T550 - 20CK0012AU
Lenovo ThinkPad T550 - 20CK0013AU
Lenovo ThinkPad T550 - 20CK0014AU
Lenovo ThinkPad T550 - 20CK0015AU
Lenovo ThinkPad T550 - 20CK0026AU
Lenovo ThinkPad T550 - 20CK0027AU
Lenovo ThinkPad T550 - 20CK0028AU
Lenovo ThinkPad T550 - 20CK0029AU
Lenovo ThinkPad T550 - 20CK002AAU
Lenovo ThinkPad T550 - 20CK002Bau
Lenovo ThinkPad T550 - 20CK002CAU
Lenovo ThinkPad T550 - 20CK002DAU
Lenovo ThinkPad T550 - 20CK002eau
Lenovo ThinkPad T550 - 20CK002FAU
Lenovo ThinkPad T550 - 20CK002GAU
Lenovo ThinkPad T550 - 20CK002HAU
Lenovo ThinkPad T550 - 20CK002Jau
Lenovo ThinkPad T550 - 20CK002kau
Lenovo ThinkPad T550 - 20CK002LAU
Lenovo ThinkPad T550 - 20CK002mau
Lenovo ThinkPad T550 - 20CK002Nau
Lenovo ThinkPad T550 - 20CK002PAU
Lenovo ThinkPad T550 - 20CK002QAU
Lenovo ThinkPad T550 - 20CK002RAU
Lenovo ThinkPad T550 - 20CKA007AU
Lenovo ThinkPad T550 - 20CKA008AU
Lenovo ThinkPad T550 - 20Cka00Aau
Lenovo ThinkPad T550 - 20CKA012AU
Lenovo ThinkPad T550 - 20CKcto1ww
Lenovo ThinkPad T550 - 20CKS04400