IBM/Lenovo NetVista Memory Upgrade Configurator - choose your Model:

A10 2169-xxx
A20 6018-xxx
A20 6266,6269,6270,6279,6286-xxx
A20i 2255,2275,2276-xxx
A20i 6276,6280-xxx
A21 6336,6337,6339-xxx
A21 6341,6342-xxx
A21 6346,6347,6348-xxx
A21i 2254,2256,2257-xxx
A22 2257-xxx
A22 6029,6341-xxx
A22p 2259,6049,6343,6349-xxx
A22p 2292,6823-xxx
A22p 6350,6825-xxx
A30 6824,6826-xxx
A30 8313,8314,8315-xxx
A30p 2289-xxx
A30p 8309,8310,8311,8312-xxx
A40 6058-xxx
A40 6568,6578,6579-xxx
A40 6648-xxx
A40 6830,6831,6840-xxx
A40 6881-xxx
A40i 2251, 2271-xxx
A40i 2284 Series
A40p 6059-xxx
A40p 6569,6579,6599-xxx
A40p 6647,6649,6650-xxx
A40p 6841-xxx
M41 2273-xxx
M41 6790,6791,6792-xxx
M41 6793,6794,6795-xxx
M42 6290-xxx
M42 8181,8182-xxx
M42 8301,8302,8303,8304-xxx
M42 8305,8306,8307,8308-xxx
S40 6644-xxx
S40 6645-xxx
S40 6646-xxx
S40p 6645-xxx
S42 8317,8318,8319-xxx
X40 6643,6646-xxx
X40i 2179-xxx
X41 2283,6274,6596-xxx