ram slots on asrock z77 extreme4

z77 slotGABYTE 7 series motherboards feature an onboard mSATA slot allowing users to easily take advantage of advanced SSD-based technologies like Intel ® Smart Response and Intel ® Rapid Start. Mounting an affordable, low capacityOn-Board SATA • SATAIII controller integrated in Intel® Z77 chipset - Up to 6Gbs transfer speed.