IBM ThinkStation Desktop Models:
ThinkStation C20 (DDR3-1333MHz) (ECC) Desktop ThinkStation C20 (DDR3-1333MHz) (Reg.ECC) Desktop
ThinkStation C20x (DDR3-1333MHz) (ECC) Desktop ThinkStation C20x (DDR3-1333MHz) (Reg.ECC) Desktop
ThinkStation C30 (type 1095, 1096, and 1097) Desktop ThinkStation D20 (4155) (ECC) Desktop
ThinkStation D20 (4155) (Reg.ECC) Desktop ThinkStation D20 (4158) (ECC) Desktop
ThinkStation D20 (4158) (Reg.ECC) Desktop ThinkStation D20 (4218-xxx) (ECC) Desktop
ThinkStation D20 (4218-xxx) (Reg.ECC) Desktop ThinkStation D30 Workstation Desktop
ThinkStation E20 (ECC) Desktop ThinkStation E20 (non-ECC) Desktop
ThinkStation E30 Desktop ThinkStation S10 (6423) Desktop
ThinkStation S10 (6483-xxx) Desktop ThinkStation S20 4105 Desktop
ThinkStation S20 4105 (DDR3-1333MHz) (ECC) Desktop ThinkStation S20 4105 (DDR3-1333MHz) (Reg.ECC) Desktop
ThinkStation S20 4157 Desktop ThinkStation S20 4157 (DDR3-1333MHz) (ECC) Desktop
ThinkStation S20 4157 (DDR3-1333MHz) (Reg.ECC) Desktop ThinkStation S20 4217-xxx Desktop
ThinkStation S20 4217-xxx (DDR3-1333MHz) (ECC) Desktop ThinkStation S20 4217-xxx (DDR3-1333MHz) (Reg.ECC) Desktop
ThinkStation S30 (type 0567, 0568, 0569, and 0606) Desktop Thinkstation E31 Workstation Tower/SFF Desktop