Shuttle DS81. Motherboard chipset: Intel H81, Processor socket: LGA 1150 (Socket H3), Compatible processor series: Core i3,Core i5,Core i7,Pentium. Processor family: Intel, Processor lithography: 22 nm. Memory slots type: SO-DIMM, Maximum internal memory: 16 GB, Supported memory clock speeds: 1333,1600 MHz. Storage drive sizes supported: 2.5", Storage drive interface: Serial ATA, Compatible memory cards: SD,SDHC,SDXC. Audio system: Realtek ALC 662-VC