HP Pavilion Desktop / AMD Quad-Core A8-6410 Accelerated Processor with AMD Radeon R5 graphics / 8GB Memory / 2TB Hard Drive / DVD RW / WiFi / Windows 8.1 / Gray AMD Quad-Core A8-6410 Accelerated Processor with AMD Radeon R5 graphics; 2MB L2 cache 8GB PC3-12800 DDR3 SDRAM; 2TB hard drive (7200 rpm) " Multidisplay capability: Allows you to connect up to 2 monitors via the VGA and DVI-D interfaces for additional workspace (monitors not included). " " 7-in-1 media reader: Supports Secure Digital, Secure Digital High Capacity, SDXC, Memory Stick, Memory Stick Select, Memory Stick PRO and Memory Stick MagicGate formats. " 2 USB 3.0 and 4 USB 2.0 ports; Built-in 2.4GHz single-band high-speed wireless LAN (802.11b/g/n); Built-in 10/100Base-T Ethernet LAN; Microsoft Windows 8.1 64-bit operating system preinstalled