Shuttle SH55J2 Barebone System, Intel H55 Express for LGA1156, Support Intel Core i3 / i5 / i7-8XX (95W) series CPU, 4 x 240pin DDR3 DIMM slots, 4GB per DIMM(Max 16GB), Support Dual channel DDR3 1066/1333/ 1600 (OC)MHz, 1x PCI-E2.0x16 Slot (When using a Dual Slot Graphics card, the 1x PCI slot will be occupied and cannot be used), 1x PCI Slot, 7.1-Ch HD Audio with SPIDIF Optical Out, GbE LAN, Support WOL, 4x SATA-II, 2x eSATA, Up to 8 x USB2.0, 1x D-Sub, 1x HDMI (Digital Video and Digital Audio, Support up to 1920 x 1200, 1080p), 300W 80 PLUS PSU. Chassis Dimensions: 21.5 x 33 x 19 cm *To use the onboard HDMI, D-Sub ports, you must install an Intel CPU with integrated graphics.