Thermaltake Level 20 VT Micro ATX Cube Case, 4x T/G Window, No PSU. CA-1L2-00S1WN-00. Thermaltake Level 20 VT Micro ATX Cube Case, 4x Tempered Glass Window, No PSU, 2x USB 3.0, 1x HD Audio, 1x 200mm Black Fan pre-installed, Horizontal Motherboard Layout. 2 Year/s Warranty. The Level 20 VT is the pocket rocket of the Level 20 series, offering massive support inside an M-ATX footprint. The Level 20 VT is designed to prove that micro cases don't have to be small on power. It boasts a 200mm fan preinstalled at the front as well as great liquid cooling support, four 4mm tempered glass panels and interchangeable panels.