Full Details from Amazon.com : http://www.amazon.com/gp/product/B00HS4NLHA?tag=onigi-20
Supermicro Mini ITX A1SRI-2558F-O Quad Core DDR3 1333 MHz Motherboard and CPU Combo
CPU Included Intel Atom C2558 Processor Supports up to 15W TDP Quad-Core
Memory 4x 204pin DDR3-16001333 SODIMM Slots ECC Max Capacity of 64GB
Slots 1x PCI-Express 20 x8 Slot
SATA 2x SATA3 Ports 4x SATA2 Ports
Form Factor Mini-ITX
Ports 4x USB 30 Ports