Lenovo Part 49Y4820 is compatible in the following Models:

Lenovo System x

System x3550 M3 - 7944

System x3650 M3 - 7945

System x3650 M3 - 7945AC1

System x3550 M2 - 7946

System x3650 M2 - 7947

Lenovo ThinkServer

Rack Server - RD220 (ThinkServer) - 3729

Rack Server - RD220 (ThinkServer) - 3779

Rack Server - RD210 (ThinkServer) - 3796

Rack Server - RD220 (ThinkServer) - 3798

Rack Server - RD210 (ThinkServer) - 3818

Rack Server - RD210 (ThinkServer) - 3819