Brand - ASRock, Model - ASRock B450M Pro4-F, Chipset Brand - AMD, Chipset - AMD Promontory B450, CPU Sockets - AM4, Supported CPU - Ryzen 2000, 3000 and 5000 Series Processors, Memory Type - DDR4, Memory MHz - AMD Ryzen series CPUs (Matisse): 3200 / 2933 / 2667 / 2400 / 2133, Pinnacle Ridge, Summit Ridge & Raven Ridge: 3200+(OC) / 2933(OC) / 2667 / 2400 / 2133, Picasso: 2933 / 2667 / 2400 / 2133,, Memory Channel - Dual, Memory Slot - 4, Memory Max. - 128GB, Graphics - AMD Radeon Vega Graphics, PCI Express Slot - 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode), 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode), 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode), Storage Interface - 6.0Gb/s, M.2 Slot - 1 x Ultra M.2 Socket type 2242/2260/2280 M.2 PCI Express Gen3 x4, LAN Chipset - Realtek RTL8111GR, LAN Speed (Mbps) - 10/100/1000 Mb/s, Audio Chipset - Realtek ALC892 Audio Codec, Audio Channel - 7.1 Channel, USB Port - 2 x USB 2.0, 4 x USB 3.1 Gen 1, 1 x USB 3.1 Gen 1 Type-C, VGA Port - 1, DVI Port - 1, HDMI Port - 1, SATA Port - 4, DirectX Support - 12, BIOS Type - 1 x 128 Mb flash, BIOS Model - AMI UEFI Legal BIOS, BIOS Version - ACPI 5.1, SMBIOS 2.3, CrossFire Support - Yes, TPM Port - 1, COM Port - 1, RGB Support - Yes, RGB Sync - Polychrome SYNC, RGB Connector - 1 x RGB LED Header, Form Factor - Micro-ATX, Supported Operating System - Windows 10, Others - 1 x Power LED and Speaker Header, 1 x Addressable LED Header, 1 x AMD Fan LED Header, 1 x CPU Fan Connector (4-pin), 1 x Chassis Fan Connector (4-pin), 1 x Chassis Fan Connector (3-pin), 1 x 24 pin ATX Power Connector, 1 x 8 pin 12V Power Connector, 1 x Front Panel Audio Connector, 1 x AMD LED Fan USB Header, 1 x RJ-45 LAN Port, Certification: FCC, CE, ErP/EuP, AMD Quad CrossFireX, Warranty - 3 Year