According to documentation from Scribd and system data sheets: LGA 1155 (Socket H2). Chipset: Intel H61 Express.
6 ou 8 portas USB 2.0 (dependendo da revisão e do gabinete). Rede: 1x Porta RJ-45 (Gigabit Ethernet). placa mae dell mih61r mb 10097-1 manual
A: No. It has proprietary mounting holes. Some holes align with mATX standards, but you may need to drill one extra hole for a standard case. According to documentation from Scribd and system data