Sony Vaio VPCB Series Memory Upgrade Configurator - choose your Model:

VPCB11CGX/B
VPCB11DGX/B
VPCB11EGX/B
VPCB11FGX/B
VPCB11GGX/B
VPCB11HGX/B
VPCB11JGX/B
VPCB11KGX/B
VPCB11LGX/B
VPCB11MGX/B
VPCB11NGX/B
VPCB11PGX/B
VPCB11V9E/B