Tested and has working components. Has several additional video interfaces including the COAX TV tuner. Comes with PC all in one, keyboard and mouse. Ready to go. TouchSmart 300 The TouchSmart 300 has all-in-one features an AMD Athlon II X2 235e (Energy Efficient) Processor Dual core @2.7Ghz. The platform is Regor and can be updated up to a Propus Quad Core AMD Athlon II X4 605e. 4Gb RAM DDR3 PC-10600 500 GB HDD 20" Touchscreen (1440 x 900) Windows 7 Home Premium Wifi and Ethernet port ATSC TV Tuner Touchsmart 300 with AMD Processors uses an integrated ATI HD 3200 graphics card with shared memory that can allocate 256Mb to 1917Mb of RAM dynamically up to 3GB with the latest AMD Catalyst drivers 13.9 released on October 2013, it also has an MXM 3.0 Type-A slot for an external graphics card (integrated graphics card is disabled when MXM slot is populated), an [MXM] nVidia GeForce G210 card (with 512MB of DDR3 dedicated memory) Initially only rev. C2 quad core processors were supported, latest BIOS allows user to upgrade with rev. C3 processors (Athlon II X3 405e and Athlon II X4 605e). HP states in its support website that Touchsmart 300 RAM is upgradeable to 8Gb RAM using 2 x 4gb modules but it's been proved it supports up to 16Gb DDR3 PC-12800 (2 x 8Gb)