Reliable space saving efficient and secure ASUS ProSeries Desktop PC BT1AD is a small form factor PC that performs exceptionally to handle all your office needs. The BT1AD comes with the latest and powerful 4th generation Intel Core processors that allow customers to multi-task with ease. With industry-leading reliability and customer satisfaction each ASUS commercial desktop PC comes with a 3-year next-business-day on-site service warranty to ensure minimal downtime and keep you focused on what matters most maximizing your bottom line. Intel 4th Generation i5-4440S (2.8 Ghz). Intel H81 Chipset. 4GB DDR3 1600Mhz Memory (4Gx1 Installed) 2 x DIMM Slots total (1 x Occupied). 500GB 7200RPM Hard Drive. Intel HD4600 Integrated Graphic.Windows 7 Pro 64 bit Installed. Keyboard & Mouse Included.