ASRock B550M-HDV MB B550 Micro-ATX: AM4 Socket For 3rd Gen AMD Ryzen Processors Hyper M.2, 2x DDR4, Gigabit LAN, 4x SATA 6Gbps, 1 PCIe 4.0 x16, 1 PCIe 3.0 x1, USB 3.2, HDMI/DVI-D, D-Sub

B550M-HDV Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors 6 Power Phase Design Supports DDR4 4733 (OC) 1 PCIe 4.0 x16, 1 PCIe 3.0 x1 Graphics Output Options: HDMI, DVI-D, D-Sub 7.1 CH HD Audio (Realtek ALC887 Audio Codec) 4 SATA3, 1 Hyper M.2 (PCIe Gen4 x4 & SATA3) 6 USB 3.2 Gen1 (2 Front, 4 Rear) Gigabit LAN Specifications: Unique Feature   ASRock Super Alloy – Premium 50A Power Choke – Sapphire Black PCB – High Density Glass Fabric PCB ASRock Hyper M.2 (PCIe Gen4x4) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop CPU Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors* 6 Power Phase design   *Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G. Chipset AMD B550 Memory   – Dual Channel DDR4 Memory Technology – 2 x DDR4 DIMM Slots – 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 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* – Max. capacity of system memory: 64GB** – Supports Extreme Memory Profile (XMP) memory modules – 15μ Gold Contact in DIMM Slots* Ryzen Series CPUs (Matisse):   Ryzen Series APUs:   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 (4096×2160) @ 60Hz – Supports DVI-D with max. resolution up to 1920×1200 @ 60Hz – Supports D-Sub with max. resolution up to 1920×1200 @ 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. Audio   – 7.1 CH HD Audio (Realtek ALC887 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 (Matisse) – 1 x PCI Express 4.0 x16 Slot (PCIE1: x16 mode)* AMD Ryzen series APUs – 1 x PCI Express 3.0 x16 Slot (PCIE1: x16 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 Matisse) or Gen3x4 (32 Gb/s)* *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 – Solid Capacitor design OS – Microsoft Windows 10 64-bit Certifications   – FCC, CE – ErP/EuP ready (ErP/EuP ready power supply is required) Category: AMD AM4