MSI V2 Micro ATX DDR3 1600 LGA 1150 Motherboard H81M-P33 V2 4th Generation Intel Core i7 / Core i5 / Core i3 / Pentium / Celeron processors for LGA 1150 socket Intel H81 Express Chipse. Main Memory Support two DDR3 DIMMs 1066/1333/1600 MHz, up to 16GB Max Supports Dual-Channel mode Form Factor: Micro ATX 1 x PCIe 2.0 x 16 slot, 2 x PCIe x 1 slots Internal I/O Connectors: 1 x ATX 24-Pin power connector, 1 x 4-pin ATX 12V power connector, 2 x SATAIII Port connectors, 2 x SATAII Port connectors, 1 x USB 3.0 connector, 2 x USB 2.0 connectors, 1 x Serial port connector, 1 x TPM