- Patented Aluminum Front Panel with Locks,Taiwan: 200281 / 190240 , China: 2L01259648.5 - Front Access USB2.0 x2. - 80mm x3 cooling fan. - Support Extend-ATX Motherboard. - Removable Air Filter. - Power and HDD LED. - Power and Alarm Reset Switch. The 2U compact industrial rackmount chassis D Storm D-200L. The full size I/O supports all ATX motherboard. Combine hot-swappable cage for RAID configuration, and total up to 4 drive storage capacity. D-200L support 3 add-on cards include PCI, PCI-X, AGP, or PCI-Express architecture that provide your server or cluster maximum flexibility and performance. Optional Aluminum Body reduces total chassis weight and also provides enhanced thermal cooling solution.