Powered by Intel® Core™ i3/i5/i7 CPUs, 50 Series offers 15, 17, and 19 in. TFT LCDs, custom configured to end-user specifications, with respective max resolutions of 1024 x 768, 1280 x 1024, and 1280 x 1024. Resistive touch screen technology is standard, and modular enclosure is constructed of aluminum. Supporting up to two 120 GB SSDs, system features swappable external power supply module, optional PCIe 4x expansion slot, and various I/O options as standard.