Manufacturer	ASRock
Part Number	B550M-ITX/ac
CPU	Supports AMD 3rd Gen Ryzen Processors, Socket AM4 Digi Power Design 8 Power Phase Design Note: Not Compatible with Ryzen 5 3400G and Ryzen 3 3200G
Chipset	AMD B550
Memory	2 x DDR4 DIMM Slots Maximum 64GB Capacity Dual Channel Supports Extreme Memory Profile (XMP) Memory Modules
Video	CPU Dependent (Requires Ryzen APU with Vega Graphics) HDMI 2.1 Max Resolution:4096x2160@60Hz DisplayPort 1.4 Max Resolution: 5120x2880@120Hz Supports Dual Display
Audio	Realtek ALC887 Audio Codec 7.1 Channel HD Audio Supports Surge Protection
Storage Technology	4 x SATA3 6Gb/s Ports Supports Software RAID 0, 1, 10 1 x M.2 2280 slot: SATA or PCI-E 4.0 x4 (M Key) Note: PCI-E 4.0 x4 requires Matisse Processor
Connectivity	1 x Realtek RTL8111H GbE LAN Supports Wake-On-LAN Supports Lightning/ESD Protection Supports Energy Efficient Ethernet 802.3az Supports PXE Intel 802.11ac WiFi Module Dual Band 802.11ac and Bluetooth 4.2
Expansion Slots	1 x PCI-E 4.0 x16 slot (with Matisse CPU) or 1 x PCI-E 3.0 x16 slot (with APUs) Supports PCIe Riser cards to extend x8/x8 slots 1 x Vertical M.2 E-Key Socket (Occupied by WiFi Module)
Power	24-Pin ATX Power Connector 8-pin 12V Power Connector
Rear I/O	1 x DisplayPort 1 x HDMI 3 x USB 3.2 (Gen1) Type-A 2 x USB 2.0 1 x PS/2 1 x RJ45 GbE LAN 1 x USB 3.2 (Gen1) Type-C 3 x Audio I/O 2 x Antenna Connector
Onboard I/O Headers	1 x RGB LED header (Supports 12V/3A, 36W LED Strip) 1 x Adressable LED header (Supports 5V/3A, 15W LED Strip) 2 x 4-Pin Chassis/Water Pump Fan connector (2A, 24W) 1 x Front Panel Audio Connector 1 x USB 2.0 header (Supports up to 2 ports) 1 x USB 3.2 Gen1 header (Supports up to 2 ports)
Form Factor	Mini-ITX 170 x 170mm 6.7" x 6.7" (in inches)
Cerifications	FCC, CE ErP/EuP ready (ErP/EuP ready power supply required)
Warranty	1-Year Manufacturer's Limited Warranty