Sony VAIO Z Series VGN-Z790DGB Notebook Core 2 Duo P8800 / 2.66 GHz - Centrino 2 - RAM 4 GB - HDD 400 GB - DVD?RW (?R DL) / DVD-RAM GF 9300M GS / GMA 4500MHD - cellular modem - Verizon - Gigabit Ethernet - WLAN : 802.11 a/b/g/n (draft) Bluetooth 2.1 EDR - TPM - fingerprint reader - Vista Business (64-bit) / XP Pro downgrade