MB AM4 ASRock B550M-HDV 90-MXBDJ0-A0UAYZ

CPU - Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors* - 6 Power Phase design *Not compatible with AMD Athlon™ Processors. Chipset - AMD B550 Memory - Dual Channel DDR4 Memory Technology - 2 x DDR4 DIMM Slots - AMD Ryzen series CPUs (Vermeer) support DDR4 4600+(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(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 4600+(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(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 3533+(OC) / 3466(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* - Max. capacity of system memory: 64GB** - Supports Extreme Memory Profile (XMP) memory modules - 15μ Gold Contact in DIMM Slots* SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label **Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows ®  32-bit OS. For Windows ®  64-bit OS with 64-bit CPU, there is no such limitation. 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, VDDP 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.** - Three graphics output options: D-Sub, DVI-D and HDMI - Supports Triple Monitor - Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz - Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz - Supports D-Sub with max. resolution up to 1920x1200 @ 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 DVI-D and HDMI 2.1 Ports*** - Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port - 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) - 1 x PCI Express 4.0 x16 Slot (PCIE1: x16 mode)* AMD Ryzen series APUs (Cezanne and Renoir) - 1 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)* AMD Ryzen series APUs (Picasso) - 1 x PCI Express 3.0 x16 Slot (PCIE1: x8 mode)* - 1 x PCI Express 3.0 x1 Slot *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, supports M Key type 2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) (with Cezanne, Renoir and Picasso)* *Supports NVMe SSD as boot disks Supports ASRock U.2 Kit Connector - 1 x SPI TPM Header - 1 x COM Port Header - 1 x Chassis Intrusion and Speaker Header - 1 x CPU Fan Connector (4-pin)* - 2 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)** - 1 x 24 pin ATX Power Connector - 1 x 4 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) - 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) *The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. **The Chassis Fan supports the water cooler fan of maximum 1A (12W) fan power. CHA_FAN2 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 D-Sub Port - 1 x DVI-D Port - 1 x HDMI Port - 2 x USB 2.0 Ports (Supports ESD Protection) - 4 x USB 3.2 Gen1 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 XFast LAN 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 - 1 x Screw for M.2 Socket Hardware Monitor - Temperature Sensing: CPU, Chassis Fans - Fan Tachometer: CPU, Chassis Fans - Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, Chassis Fans - Fan Multi-Speed Control: CPU, Chassis Fans - CASE OPEN detection - Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore Form Factor - Micro ATX Form Factor: 9.0-in x 7.9-in, 23.0 cm x 20.1 cm