1.System Memory 1GB 2.Storage:SATA HDD,160G 3.Power:4cell 4400mah battery ... 667/533 MHz memory,one DDR2 SO-DIMM slot Support 1GB;Storage :One changeable 2.5", 9.5mm(H), SATA HDD ... jack,1×4in1 cardreader ;Slots:1×DIMM Slot ,2×Mini PCI-E slots,one for WIFI&Bluetooth module or WIFI only,2nd ...