LAPCARE LPMH61 Intel Processor Support for I7/Core , I5/Core , I3/Core , Pentium , Celeron , Memory Support - 2x DDR3 1066/1333/1600MHz DIMMs Storage - 4 x SATA 3GB/s ports Slots - 1 PCI Express x 16 Slot LAN - Supports Realtek 8160E 10 /100MBPS FORM FACTOR - Micro-ATX AUDIO - Chip integreted by Realtek 662 , Flexible 5.1 Channel Audio USB - 9x USB 2.0 Port ( 6 at back panel 3 at mid-board