Up to 6th Generation Intel Core™ i Processor With a 6th Generation Intel Core™ i 5-6400 processor the Lenovo S510 SFF PC delivers 11% faster performance than the previous generation processor, & with a 500GB Hard Drive (HDD) & 4GB of DDR4 memory, youll experience extraordinary productivity. Windows 10 Pro Windows 10 Pro is designed to empower you & your business. It means that you can do great things across your devices securely with anyone, anywhere, & at any time. Fitting a variety of budgets, its also very easy to use. So you can get more done right from the start. Quality You Can Rely On The S510 has been put through over 200 reliability tests including shock, drop & vibrations tests in order to maximize both the life of the system & your ROI. Productivity in focus Essential Series monitors feature Acer e Color technology for striking visuals, & Acer Comfy View innovations that reduce glare for comfortable viewing. These sturdy monitors also have a wide array of ports, so you can connect many types of devices & do more at once. In addition, they utilise eco-friendly features to save power & money. Processor Intel Core i 5-6400 2.7 G Hz Turbo boost up to 3.3 G Hz 6MB Cache Quad Core Memory 4GB DDR4 2133 M Hz RAM Hard Drive 500GB SATA HDD Optical Drive DVD Writer Software Operating system: Windows 10 Pro 64bit Display 21.5” Screen Panel: TN Resolution: 1920 x 1080 @ 60 Hz Aspect ratio: 16:9 Response Time: 5ms Brightness: 200 cd/m 2 Contrast ratio: 100 million:1 Viewing angle: 90°/ 65° Display Colours: 16.7M Graphics Intel HD Graphics Networking Wired LAN Connection Power Supply AC 120/230 V (50/60 Hz) 180 Watt Interfaces 4 x USB (Universal Serial Bus) 3.0 (2 front, 2 rear) 2 x microphone (1 front, 1 rear) 1 x headphones (1 in front) 2 x USB (Universal Serial Bus) 2.0 (2 rear) 1 x LAN (Gigabit Ethernet) 1 x VGA 1 x Display Port 1 x audio line-in 1 x audio line-out Warranty 1 Yr Warranty