ZOTAC ZBOX Sphere OI520 Series Mini PC with Intel Core i5, 500GB Hard Drive, 4GB Memory (ZBOX-OI520-P-U) Intel Core i5 4200U (dual-core, 1.6 GHz), Turbo Boost up to 2.6 GHz Intel HD Graphics 4400. 500GB 5400RPM HDD. 4GB DDR3. 1 mSATA 6.0 Gb/s slot. Intel Smart Response Technology ready. 4-in-1 Memory card reader (MMC/SD/SDHC/SDXC). 4 USB 3.0 ports. 3 USB 2.0 ports. DisplayPort, HDMI, HDCP compliant. Intel Clear Video HD technology. Intel InTru 3D technology. Intel Quick Sync Video technology. Microsoft DirectX 11.1 compatible. 802.11ac Wi-Fi & Bluetooth 4.0 technology.Microsoft Windows 8. Microsoft Windows 7 x86 & x64. Package contents : 1 x WiFi antenna .1 x AC Adapter.1 x power cord 1 x warranty card. 1 x user manual. 1 x quick install guide. 1 x USB drive with O/S driver 1 x driver disc.