Ultra Small Form Factor, Max Supported RAM: 4 GB, Supported Processors: Atom, Controller Interface(s): 1 x SATA II, Up to 800 MHz, 2 x USB 2.0, 1 x VGA, 1 x DVI - I, 1 x HDMI

2.8 GHz, 6 MB Cache Memory

Processor, 3.1 GHz, 1 MB Cache Memory, For Socket LGA1155, For PC Platforms

Processor, 3.3 GHz, 1 MB Cache Memory, For Socket LGA1155, For PC Platforms

2 GB

Socket LGA775, Compatible Processors: Intel Pentium 4

AMD 990FX Chipset, ATX, Max RAM: 32 GB, Serial ATA II x 2, Serial ATA III x 6, Ethernet, Gigabit Ethernet, Fast Ethernet, Compatible Processors: AMD Sempron, AMD Phenom II, AMD Athlon II