6 Power Phase Design
Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.

Premium 50A Power Choke
Compared to traditional chokes, ASRock’s premium 50A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

Hyper M.2 (PCIe Gen4 x4)
Supports the next generation PCI Express 4.0 M.2 SSDs, it is capable of perform twice the speed compared to previous 3rd generation, giving a lightning fast data transferring experience.

HDMI 4k @60Hz
Supports the most recent HDMI 4K 60Hz graphics output specification. With the larger bandwidth and increased frame rate, the motion on your screen becomes more fluid and less blurry.

3 Graphics Outputs
Complete with all three types of most used connectors! Packed with a D-Sub + DVI-D + HDMI combo. Plus the HDMI port supports 4K resolution.
*Supported only with processors with integrated graphics. Please check CPU support list from each motherboard webpage.

Full Spike Protection
Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes.

Live Update & APP Shop
ASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.
Processor
Processor manufacturer: AMD
Processor socket: Socket AM4
Compatible processor series: AMD Ryzen 3000 Series
Maximum number of SMP processors: 1
Memory
Supported memory types: DDR4-SDRAM
Number of memory slots: 2
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: ECC & Non-ECC
Supported memory clock speeds: 2133,2400,2667,2933,3200,3466,3600,3733,3800,3866,4000,4133,4200,4266,4333,4400,4466,4533,4600,4666 MHz
Maximum internal memory: 64 GB
Feature: Unbuffered memory
Storage controllers
Supported storage drive interfaces: M.2, SATA III
Graphics
Feature: On-board graphics card
Graphics card family: AMD
Graphics card: Radeon Vega
Feature: HDCP
DirectX version: 12.0
Internal I/O
USB 2.0 connectors: 4
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 2
Number of SATA III connectors: 4
Feature: Front panel audio connector
Feature: ATX Power connector (24-pin)
Feature: CPU fan connector
Number of chassis fan connectors: 2
Peripheral (Molex) power connectors (4-pin): 1
Feature: TPM connector
Rear panel I/O ports
USB 2.0 ports quantity: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
Ethernet LAN (RJ-45) ports: 1
PS/2 ports quantity: 1
VGA (D-Sub) ports quantity: 1
HDMI ports quantity: 1
DVI-D ports quantity: 1
Network
Feature: Ethernet LAN
Ethernet interface type: Gigabit Ethernet
LAN controller: Realtek RTL8111H
Feature: Wake-on-LAN ready
Features
Motherboard chipset: AMD B550
Audio chip: Realtek ALC887
Audio output channels: 7.1 channels
Component for: PC
Motherboard form factor: micro ATX
Motherboard chipset family: AMD
BIOS
BIOS type: UEFI AMI
Logistics data
Harmonized System (HS) code: 84733020
Weight & dimensions
Width: 230 mm
Depth: 201 mm
Height: 70 mm
Packaging content
Feature: Drivers included
Other features
Weight: 465 g

Asrock B550M-HDV. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen 3000 Series. Supported memory types: DDR4-SDRAM, Maximum internal memory: 64 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III. Graphics card family: AMD, Graphics card: Radeon Vega. Ethernet interface type: Gigabit Ethernet, LAN controller: Realtek RTL8111H
ASRock




MBR CODE - 90-MXBDJ0-A0UAYZ
EAN - 4710483931635