Storage and Expansion Slots: The PC motherboard has 1 Serial ATA 3.0 (6GB/s) and 2 Serial ATA 2.0 ports, allowing you to connect multiple storage devices. Compatibility: The H81 motherboard is designed to support for Core i3 i5 i7, support for E3 V3 series, support for Celeron G series, and support for Pentium G series 22nm CPU processors.