THE KEYBOARD IS A JAPANESE KEYBOARD, REPEAT A JAPANESE KEYBOARD.  QUITE DIFFERENT FROM AN AMERICAN OR BRITISH KEYBOARD.  UNIT HAD BEEN PURCHASED NEW AND THEN PLACED INTO LONG TERM STORAGE.  HARD DRIVE IS A HIGH SPEED HIGHLY RATED SAMSUNG EVO870 ONE TB SOLID STATE DRIVE WITH A FRESH BRAND NEW WINDOWS 10 PRO WHICH HAS BEEN FULLY ACTIVATED.  MEMORY HAS BEEN UPGRADED TO 8G, THE MAXIMUM THE MOTHERBOARD WILL ACCEPT.  BATTERY STRENGTH GOES DOWN IF SITTING FOR A LONG TIME PERIOD, SO THE BATTERY HAS BEEN REPLACED WITH A BRAND NEW SONY COMPATIBLE UNIT.  PROCESSOR IS THE INTEL DUO CORE I5-2450M RUNNING AT A SPEED OF 2.5GHZ.  THE ORIGINAL SONY WARRANTY, OF COURSE, HAS EXPIRED, BUT SELLER PROVIDES A 60 DAY RETURN POLICY.  WITH THE MAXIMUM MEMORY ONBOARD AND THE HIGH SPEED SAMSUNG, SSD, THIS UNIT IS EXTREMELY FAST FOR INTERNET BROWSING, EMAIL,  OR FILE/PDF PROCESSING.