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.