MSI H81M-P33 - Support Haswell 4th Gen Intel® Core™ / Pentium® / Celeron® processors LGA1150; Chipset Intel® H81 Express; DDR3 Memory 1066/1333/1600 MHz; Dual Channel Slots: 2 - Max 16GB; PCI-Ex16 1; PCI-E Gen2(16); PCI-Ex1 1; SATA III*2 - SATA II*2; LAN 10/100/1000*1 - TPM (header) 1; USB 3.0 ports (Rear) 2 - USB 2.0 ports (Rear) 4; Audio ports (Rear) 3; VGA x1 - DVI x1; Form Factor M-ATX