Biostar TPower I55. Supported memory types: DDR3 800/1066/1333/1600/2000/2600 MHz, Maximum internal memory: 16 GB. Processor family: Intel, Processor socket: Socket H(1156), Compatible processor series: Core i7 LGA 1156, Intel Core i5 LGA 1156. Audio system: Realtek ALC888S. Width: 305 mm, Depth: 244 mm. RAID levels: 0, 1, 5, 10