Dell Dimension XPS Memory Upgrade Configurator - choose your Model:

600
700
B 1.13R
B 1000
B 1000R
B 1130
B 533R
B 600R
B 667R
B 733R
B 800R
B 866
B 866R
B 933
B 933R
Gen 2 (G2)
Gen 3 (G3)
Gen 4 (G4)
Gen 5
Original
R450
T450
T500
T550
T600R
T650R
T700R
T750R
T800r, T850r