Asrock B550M-HDV AM4 mATX Motherboard

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*

**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

- Solid Capacitor design

OS

Microsoft® Windows® 10 64-bit / 11 64-bit

Certifications

- FCC, CE

- ErP/EuP ready (ErP/EuP ready power supply is required)