... shared memory 256MBAudio SpecificationIntegrated 6.1 Channel HD Realtek ALC622 sound cardInput and OutputSpeaker5W+5WMenu LanguageChinese,English,Spanish,Russian,German,French ... ,adapterOptional itemsHDD:80GB-1TB;Memory:1GB,2GB,4GB; Proximity/contactless card reader,wireless mouse and keyboard,wireless LAN,Bluetooth,Wall,dual ...