CPU-Z info: DMI System Information manufacturer LENOVO product 20B30051RT version ThinkPad S5-S540 serial MP05YH8N UUID {CD83F681-53FD-11CB-BDB6-966EBB4C5888} SKU LENOVO_MT_20B3_BU_Think_FM_ThinkPad S5-S540 family ThinkPad S5-S540