GIGABYTE GA-990FXA-UD3 R5 (rev. 1.0) AM3+/AM3 AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD Motherboard Number of Memory Slots: 4×240pin Memory Standard: DDR3 2000(O.C.)/ 1866/ 1600/ 1333/ 1066 PCI Express 2.0 x16: 2 x PCI Express x16 slots, running at x16 (PCIEX16_1, PCIEX16_2) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16_1 slot; if you are installing two PCI Express graphics cards, it is recommended that you install them in the PCIEX16_1 and PCIEX16_2 slots. 2 x PCI Express x16 slots, running at x4 (PCIEX4_1, PCIEX4_2) Onboard Video Chipset: None Audio Chipset: Realtek ALC1150 PCI Express x1: 2 x PCI Express x1 slots (All PCI Express slots conform to the PCI Express 2.0 standard.) Audio Channels: 2/4/5.1/7.1-channel Max LAN Speed: 10/100/1000Mbps
