Unique Feature ASRock Super Alloy - Premium 50A Power Choke - Sapphire Black PCB - High Density Glass Fabric PCB - 2oz Copper PCB ASRock Hyper M.2 (PCIe Gen4x4) 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 - 8 Power Phase design *Please refer to CPU support list for details. 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 *For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs. Please refer to below table for AMD non-XMP memory frequency support. For more details. 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, +1.8VSB, 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.** - Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers - Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz - Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880)@120Hz - 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 and DisplayPort 1.4 Ports*** - Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports - Supports Microsoft® PlayReady *Actual support may vary by CPU **The Max shared memory 16GB requires 32GB system memory installed. ***Picasso supports HDCP 2.2 with HDMI 2.0 Port Audio - 7.1 CH HD Audio (Realtek ALC887/897 Audio Codec) - Supports Surge Protection LAN - PCIE x1 Gigabit LAN 10/100/1000 Mb/s - Realtek RTL8111H - 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)* - 1 x PCI Express 3.0 x1 Slot - Supports AMD Quad CrossFireX™ and CrossFireX™ *Supports NVMe SSD as boot disks Storage - 4 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 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 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)* *Supports NVMe SSD as boot disks NVMe SSD is not supported with AMD Athlon™ 3000G Processors 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)*** - 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)**** - 1 x 24 pin ATX Power Connector - 1 x 8 pin 12V Power Connector - 1 x Front Panel Audio Connector - 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) - 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection) *Support in total up to 12V/3A, 36W LED Strip **Support in total up to 5V/3A, 15W LED Strip ***The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. ****The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. CHA_FAN1/WP, CHA_FAN2/WP and CHA_FAN3/WP can auto detect if 3-pin or 4-pin fan is in use. Rear Panel I/O - 1 x PS/2 Mouse/Keyboard Port - 1 x HDMI Port - 1 x DisplayPort 1.4 - 4 x USB 3.2 Gen1 Ports (Supports ESD Protection) - 2 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: Line in / Front Speaker / Microphone Software and UEFI Software - ASRock Motherboard Utility (A-Tuning) - ASRock Polychrome SYNC* UEFI - ASRock Full HD UEFI - ASRock Instant Flash *These utilities can be downloaded from ASRock Live Update & APP Shop. Support CD - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar Accessories - Quick Installation Guide, Support CD, I/O Shield - 2 x SATA Data Cables - 2 x Screws for M.2 Sockets Hardware Monitor - Temperature Sensing: CPU, Chassis/Water Pump Fans - Fan Tachometer: CPU, Chassis/Water Pump Fans - Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, Chassis/Water Pump Fans - Fan Multi-Speed Control: CPU, Chassis/Water Pump Fans - Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, +1.8V Form Factor - Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm - Solid Capacitor design - 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)