Zotac has just announced its two new ZBOX series nettops. The difference between Zotac ZBOX DVD ID31 and ID31 Plus is that the last one has pre-installed 1GB DDR2 RAM and 250GB hard drive while future owners of the first one will have an opportunity to plug up to 4GB of DDR2 RAM and any-capacity 2.5-inch HDD. Other specifications of these both computers include 1.8GHz dual-core Intel Atom D525 processor, NVIDIA ION graphics with 512MB DDR3 memory, Wi-Fi, HDMI output, VGA, DVI-I, 6-in-1 cardreader (SD/SDHC/MMC/MS/MS Pro/xD), two USB 2.0 and two USB 3.0 ports, 10/100/1000 LAN. In contrast to other nettops these ones have internal DVD-RW optic drives. Besides both Zotac ZBOX DVD ID31 and Zotac ZBOX DVD ID31 Plus support OpenGL 3.2, NVIDIA PhysX, NVIDIA CUDA, NVIDIA PureVideo HD technologies. The operating system is Windows 7 Home Premium.