HP Smart Buy EliteDesk 705 SFF, A6 Pro 7400B, 4GB memory, 500GB hard drive, AMD Radeon R5 graphics, DVD+-RW, Win8.1 Pro with downgrade to Win7 Pro, OPK13, Cyberlink, HP Client Security suite, embedded TPM 1.2 security module, HP BIOSphere, DASH 1.1 managability support, DTS Studio Sound, 2 PS/2 port, one Serial Port, three independent displays support standard standard (1 VGA and 2 Displayports 1.2), 3-3-3 waranty, Toolless serviceability