ZOTAC Intel Core i5 3470T 2.9 GHz Dual-Core All-in-One Processor with 4GB Memory and 500GB Hard Drive ZBOX-ID89-PLUS-U Intel HD Graphics 2500, Intel Core i5 3470T (dual-core, 2.9 GHz), Intel TurboBoost (up to 3.6 GHz), Intel H61 Express chipset, 500GB 5400RPM SATA HDD, 4GB DDR3 (up to 16GB) HDMI 1.4a, DVI, HDCP compliant, 4-in-1 Memory card reader (MMC/SD/SDHC/SDXC), 2 USB 3.0 ports, 2 USB 2.0 ports, 2 10/100/1000 Ethernet (RJ45), 802.11n WiFi & Bluetooth 4.0 technology Microsoft DirectX 11 compatible, Microsoft Windows 8, Microsoft Windows 7, x86 & x64