B550 Rock WiFi Features: Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors 10 Phase Power Design 4 x DDR4 DIMMs, Supports Dual Channel, up to 4733+ (OC) 1 PCIe 4.0 x16, 1 PCIe 3.0 x16 Graphics Output Options: 1 HDMI Realtek ALC897 7.1 CH HD Audio Codec 1 Hyper M.2 (PCIe Gen4x4), 1 Ultra M.2 (PCIe Gen3x4 & SATA3), 1 M.2 (PCIe Gen3x2), 4 SATA3 2 USB 3.2 Gen1 Type-C (1 Rear, 1 Front), 6 USB 3.2 Gen1 (4 Rear, 2 Front), 7 USB 2.0 (3 Rear, 4 Front) Realtek 2.5G LAN 802.11axe WiFi 6E + Bluetooth Specifications: Unique Feature Rock-Solid Durability 8+2 Power Phase Pre-Installed I/O Shield Ultrafast Connectivity 2.5G LAN, 802.11axe Wi-Fi 6E Module EZ Troubleshooter ASRock Post Status Checker CPU Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors Chipset AMD B550 Memory Dual Channel DDR4 Memory Technology 4 x DDR4 DIMM Slots AMD Ryzen series CPUs (Vermeer) support DDR4 4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory AMD Ryzen series APUs (Cezanne) support DDR4 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory AMD Ryzen series APUs (Renoir) support DDR4 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory Max. capacity of system memory: 128GB Supports Extreme Memory Profile (XMP) memory modules 15μ Gold Contact in DIMM Slots BIOS 256Mb AMI UEFI Legal BIOS with GUI support Graphics Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU (Actual support may vary by CPU) 1 x HDMI 2.1, supports HDR, HDCP 2.3, 4K Ultra HD (UHD) playback and max. resolution up to 4K 60Hz Audio 7.1 CH HD Audio (Realtek ALC897 Audio Codec) LAN 2.5 Gigabit LAN 10/100/1000/2500 Mb/s Dragon RTL8125BG Supports Dragon 2.5G LAN Software Smart Auto Adjust Bandwidth Control Visual User Friendly UI Visual Network Usage Statistics Optimized Default Setting for Game, Browser, and Streaming Modes User Customized Priority Control Wireless LAN 802.11axe Wi-Fi 6E Module Supports IEEE 802.11a/b/g/n/ac/ax/axe Supports Dual-Band 2x2 with extended 6GHz band support 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology Supports Bluetooth 5.3 Supports MU-MIMO Slots AMD Ryzen series CPUs (Vermeer and Matisse) 2 x PCIe x16 Slots (PCIE1: Gen4x16 mode; PCIE2: Gen3 x2 mode) AMD Ryzen series APUs (Cezanne and Renoir) 2 x PCIe x16 Slots (PCIE1: Gen3x16 mode; PCIE2: Gen3 x2 mode) AMD Ryzen series APUs (Picasso) 2 x PCIe x16 Slots (PCIE1: Gen3x8 mode; PCIE2: Gen3 x2 mode) 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module Storage CPU: 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) mode (with Cezanne, Renoir and Picasso) Chipset: 1 x Ultra M.2 Socket (M2_2, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen3x4 (32 Gb/s) modes 1 x M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen3x2 (16 Gb/s) mode 4 x SATA3 6.0 Gb/s Connectors RAID Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices USB CPU: 1 x USB 3.2 Gen1 Type-C (Rear) 3 x USB 3.2 Gen1 Type-A (3 Rear (USB32_12 and USB32_3)) Chipset: 1 x USB 3.2 Gen1 Type-C (Front) 3 x USB 3.2 Gen1 Type-A (1 Rear (USB32_4), 2 Front) 7 x USB 2.0 (3 Rear, 4 Front) Connector 1 x SPI TPM Header 1 x Power LED and Speaker Header 1 x RGB LED Header 3 x Addressable LED Headers 2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control) 4 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control) 1 x 24 pin ATX Power Connector 1 x 8 pin 12V Power Connector (Hi-Density Power Connector) 1 x Front Panel Audio Connector 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) 1 x USB 3.2 Gen1 Header (Support 2 USB 3.2 Gen1 ports) 1 x Front Panel Type C USB 3.2 Gen1 Header Rear Panel I/O 2 x Antenna Ports 1 x HDMI Port 1 x USB 3.2 Gen1 Type-C Port 4 x USB 3.2 Gen1 Type-A Ports 3 x USB 2.0 Ports 1 x RJ-45 LAN Port HD Audio Jacks: Line in / Front Speaker / Microphone Software and UEFI Software ASRock Motherboard Utility (A-Tuning) ASRock Dragon 2.5G LAN Software ASRock Polychrome SYNC UEFI ASRock Full HD UEFI ASRock Instant Flash Accessories 2 x ASRock WiFi 2.4/5/6 GHz Antennas 2 x SATA Data Cables Form Factor ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm 2oz Copper PCB OS Microsoft Windows® 10 64-bit / 11 64-bit Certifications FCC, CE ErP/EuP ready (ErP/EuP ready power supply is required)