Motherboard MSI B350 Gaming Pro Carbon for AMD RYZEN CPU Supports AMD RYZEN series processors and 7th Gen A-series/ Athlon processors for Socket AM4 Chipset AMD B350 Chipset Main Memory 4 x DDR4 memory slots, support up to 64GB - Supports DDR4 1866/ 2133/ 2400/ 2667(OC)/ 2933(OC)/ 3200(OC)+ Mhz * Dual channel memory architecture Supports non-ECC UDIMM memory Supports ECC UDIMM memory (non-ECC mode) Slots 1 x PCIe 3.0 x16 slot (PCI_E2) - RYZEN series processors support x16 mode - 7th Gen A-series/ Athlon processors support x8 mode 1 x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)* 3 x PCIe 2.0 x1 slots * PCI_E4 slot will support PCIe 2.0 x1 when installing PCIe device in any PCIe x1 slot. Onboard Graphics 1 x DVI-D port, supports a maximum resolution of 1920x1200@60Hz* 1 x HDMI 1.4 port, supports a maximum resolution of 4096x2160@24Hz* * Only support when using a 7th Gen A-series/ Athlon processor. * Maximum shared memory of 2048 MB Multi-GPU Supports 2-Way AMD CrossFire Technology - Only when all PCIe x1 slots are empty, this motherboard could support AMD CrossFire technology. Storage AMD B350 Chipset 2 x SATA 6Gb/s ports (SATA1, SATA2) - Supports RAID 0 and RAID1 1 x M.2 slot (Key M) - Supports PCIe 3.0 x4 (RYZEN series processors) or PCIe 3.0 x2 (7th Gen A-series/ Athlon processors) and SATA 6Gb/s 2242/ 2260 /2280/ 22110 storage devices ASMedia ASM 1061 - 2 x SATA 6Gb/s ports (SATA3, SATA4)