ZOTAC ZBOX Intel Atom D525 1.8 GHz Dual Core Next-Generation NVIDIA ION (with 512MB DDR3), All-in-One Mini-PC with 2 GB DDR2 Memory, 250 GB Hard Drive and No OS ZBOXHD-ID40-PLUS Intel Atom D525 Processor 1.8GHz 2GB DDR2 RAM 250GB Hard Drive Next-Generation NVIDIA ION (w/512MB DDR3 memory) No Operating System