ASUS/ASmobile P Series Desktop Memory Upgrade Configurator - choose your Model:

P1-AH2
P1-P5945G
P1-P5945GC
P2-M2A690G
P2-M3A3200
P2-P5945G
P3-P5G31
P3-P5G33
P3-PH4C
P3-PH5
P3-PH5X
P4-P5N9300
P6-M4A3000E
P6-P5G41E
P6-P7H55E