B550 PG Velocita Features: Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors* 14 Power Phase Design, Digi Power, Dr. MOS Supports DDR4 4733+ (OC) 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1, 1 M.2 Key E for WiFi Graphics Output Options: HDMI AMD CrossFireX. 7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Nahimic Audio 6 SATA3, 1 Hyper M.2 (PCIe Gen4x4), 1 M.2 (PCIe Gen3x2 & SATA3) 3 USB 3.2 Gen2 (Rear Type A+C, Front Type-C), 4 USB 3.2 Gen1 (2 Front, 2 Rear) Phantom Gaming 2.5G LAN Specifications: Gaming Armor Power Hi-Density Power Connectors (24 pin, 8 pin and 4 pin) Memory 15μ Gold Contact in DIMM Slots VGA Card 15μ Gold Contact in VGA PCIe Slot (PCIE1) Internet 2.5G LAN Cooling XXL Aluminum Alloy Heatsink Heat Pipe Design Audio Nahimic Audio Unique Feature ASRock USB 3.2 Gen2 ASRock Front Panel USB 3.2 Gen2 Type-C Header (10 Gb/s) ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s) ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s) ASRock Super Alloy XXL Aluminum Alloy Heatsink Premium 60A Power Choke 50A Dr.MOS Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke) Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors) I/O Armor Matte Black PCB High Density Glass Fabric PCB 2oz Copper PCB ASRock Phantom Gaming 2.5G LAN ASRock Steel Slot Gen4 ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock Ultra USB Power ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop CPU Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors Digi Power design 14 Power Phase design Chipset AMD B550 Memory Dual Channel DDR4 Memory Technology 4 x DDR4 DIMM Slots AMD Ryzen series CPUs (Vermeer) 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 CPUs (Matisse) 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 (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 3600+(OC) / 3466(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 Supports "Plug and Play" ACPI 5.1 compliance wake up events Supports jumperfree SMBIOS 2.3 support CPU, CPU VDDCR_SOC, DRAM, VPPM, VTT_DDR Offset, CPU VDD 1.8 Voltage Multi-adjustment Graphics Integrated AMD Radeon™ Vega Series Graphics in Ryzen Series APU DirectX 12, Pixel Shader 5.0 Shared memory default 2GB. Max Shared memory supports up to 16GB. Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required) Supports HDR (High Dynamic Range) with HDMI 2.1 Supports HDCP 2.3 with HDMI 2.1 Port Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port Supports Microsoft PlayReady Audio 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec) Premium Blu-ray Audio support Supports Surge Protection 120dB SNR DAC with Differential Amplifier NE5532 Premium Headset Amplifier for Front Panel Audio Connector (Supports up to 600 Ohm headsets) Pure Power-In Direct Drive Technology PCB Isolate Shielding Impedance Sensing on Rear Out port Individual PCB Layers for R/L Audio Channel Gold Audio Jacks 15μ Gold Audio Connector Nahimic Audio LAN 2.5 Gigabit LAN 10/100/1000/2500 Mb/s Dragon RTL8125BG Supports Phantom Gaming 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 Supports Wake-On-LAN Supports Lightning/ESD Protection Supports Energy Efficient Ethernet 802.3az Supports PXE Slots AMD Ryzen series CPUs (Vermeer and Matisse) 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode) AMD Ryzen series APUs (Cezanne and Renoir) 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode) AMD Ryzen series APUs (Picasso) 2 x PCI Express x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode) 2 x PCI Express 3.0 x1 Slots Supports AMD Quad CrossFireX™ and CrossFireX™ 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module 15μ Gold Contact in VGA PCIe Slot (PCIE1) Storage 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug 1 x Hyper M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) (with Cezanne, Renoir and Picasso) 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s) Connector 1 x SPI TPM Header 1 x Power LED and Speaker Header 2 x RGB LED Headers 2 x Addressable LED Headers 1 x CPU Fan Connector (4-pin) 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) 5 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control) 1 x 24 pin ATX Power Connector (Hi-Density Power Connector) 1 x 8 pin 12V Power Connector (Hi-Density Power Connector) 1 x 4 pin 12V Power Connector (Hi-Density Power Connector) 1 x Front Panel Audio Connector (15μ Gold Audio Connector) 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) 1 x Front Panel Type C USB 3.2 Gen2 Header (Supports ESD Protection) 1 x Dr. Debug with LED 1 x Power Button with LED 1 x Reset Button with LED Rear Panel I/O 2 x Antenna Mounting Points 1 x PS/2 Mouse/Keyboard Port 1 x HDMI Port 1 x Optical SPDIF Out Port 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) 2 x USB 3.2 Gen1 Ports (Supports ESD Protection) 4 x USB 2.0 Ports (Supports ESD Protection) 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks) Software and UEFI Software ASRock Motherboard Utility (Phantom Gaming Tuning) ASRock Phantom Gaming LAN Software ASRock Polychrome SYNC ASRock Key Master UEFI ASRock Full HD UEFI ASRock Instant Flash Accessories 4 x SATA Data Cables 3 x Screws for M.2 Sockets 2 x Standoffs for M.2 Sockets Hardware Monitor Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, CPU VDD 1.8V 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)