Asrock B550 Rock WiFi AMD B550 Socket AM4 ATX

SKU
90-MXBV20-A0UAYZ
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In Stock: 47 available
Socket AM4, AMD B550 Chipset, 4 x DDR4-SDRAM up to 128GB, LAN, WLAN, 1 x RJ-45, 4 x SATA III, 1 x M.2(M), UEFI AMI, ATX
More Information
SKU 90-MXBV20-A0UAYZ
EAN 4711581494732
Manufacturer Asrock
Availability In Stock
Rock Series brings reliable performance and solid quality in a clean, modern design—ready for work, study, and gaming with practical, well-balanced features.

Power Phase Design
Featuring sturdy components and completely smooth power delivery to the CPU, offering enhanced performance for gamers.

Hyper M.2 Gen4 x4
Supports 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.

Aluminum Heatsink
The first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly.

Wi-Fi 6E 802.11axe
WiFi 6E technology has extended to the whole new 6GHz spectrum band, providing more WiFi capability and giving an even better and faster internet traffic. In addition to deliver higher speeds, the WiFi 6E also enhances the lower latency and supports service levels that are equivalent to 5G networks.

Built-in Bluetooth
Connect wireless peripherals and accessories with ease. From keyboards and mice to headsets, controllers, speakers, and smartphones, built-in Bluetooth helps reduce cable clutter and makes daily wireless pairing more convenient.

Dragon 2.5 Gb/s LAN
The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.

Front USB 3.2 Gen1 Type-C
Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.

POLYCHROME RGB
This motherboard features onboard RGB headers and addressable RGB headers that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.

SignalRGB
SignalRGB unifies your RGB devices, offering seamless customization, game-reactive effects, macro automation, and system monitoring. The official partnership empowers ASRock motherboards with advanced lighting control, enhances compatibility with a diverse range of RGB devices, and provides greater customization flexibility.

Pre-Installed IO Shield
ASRock strives offer only the cutting edge technology with the most user-friendly design. The pre-installed IO Shield design makes motherboard to be well-installed in the chassis precisely for preventing any interferences and speed up the set-up process.

One-Click to AI Agents – ASRock Claw Quickset
ASRock Claw Quickset is a Windows desktop utility that simplifies the deployment of OpenClaw and local AI models. It automates installation, configuration, and environment setup, allowing users to start using AI with minimal technical knowledge.
Internal I/O
Number of M.2 (M) slots1
12V power connectorYes
Supported storage drive interfacesM.2, NVMe, SATA III, PCI Express 4.0
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
TPM connectorYes
Number of SATA III connectors4
Number of chassis fan connectors4
Front panel audio connectorYes
EPS power connector (8-pin)Yes
CPU fan connectorYes
ATX Power connector (24-pin)Yes
RGB LED pin headerYes
Number of CPU fan connectors2
Number of EPS power connectors (8-pin)1
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Supported processor socketsSocket AM4
Parallel processing technology supportNot supported
HDMI version2.1
Motherboard form factorATX
Component forPC
Audio
Audio output channels7.1 channels
Performance
Windows operating systems supportedWindows 10, Windows 11
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
RAID levels0, 1, 10
Supported processor socketsSocket AM4
CertificationFCC, CE
Audio output channels7.1 channels
Motherboard form factorATX
Component forPC
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Supported processor socketsSocket AM4
Processor socketSocket AM4
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Memory channelsDual-channel
Supported memory clock speeds2133,2400,2667,2933,3200,3466,3600,3733,3800,3866,4000,4133,4200,4266,4333,4400,4466,4533,4600,4666,4733 MHz
Maximum internal memory128 GB
Unbuffered memoryYes
Supported memory clock speed (max)4733 MHz
ECC сompatibilityECC & Non-ECC
Storage controllers
Supported storage drive interfacesM.2, NVMe, SATA III, PCI Express 4.0
RAID levels0, 1, 10
RAID supportYes
Graphics
Parallel processing technology supportNot supported
HDCPYes
HDCP version2.3
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity1
USB 2.0 ports quantity3
Microphone inYes
HDMI version2.1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
Line-inYes
Network
Ethernet LANYes
Wi-FiYes
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
LAN controllerDragon RTL8125BG
Ethernet interface type2.5 Gigabit Ethernet
BluetoothYes
Bluetooth version5.3
Top Wi-Fi standardWi-Fi 6E (802.11ax)
Features
Windows operating systems supportedWindows 10, Windows 11
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Supported processor socketsSocket AM4
CertificationFCC, CE
Audio output channels7.1 channels
Motherboard form factorATX
Component forPC
Audio chipRealtek ALC897
Expansion slots
Number of M.2 (M) slots1
PCI Express x16 (Gen 3.x) slots1
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Video
HDCPYes
Certificates
CertificationFCC, CE
Software
Windows operating systems supportedWindows 10, Windows 11
Weight & dimensions
Width305 mm
Depth244 mm
Packaging content
Cables includedSATA
Antenna includedYes

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SKU
90-MXBV20-A0UAYZ
90MB1BZ0-M0EAY0
90MB19K0-M1EAYC
90MB1F00-M0EAY0
B650M S2H
B760 PRO RS
Manufacturer
Asrock
ASUS
ASUS
ASUS
Gigabyte
Asrock
Component for
PC
PC
PC
PC
PC
PC
Processor manufacturer
AMD
AMD
Intel
AMD
AMD
Intel
Motherboard form factor
ATX
ATX
micro ATX
micro ATX
micro ATX
ATX
Processor socket
Socket AM4
Socket AM5
LGA 1700
Socket AM5
Socket AM5
LGA 1700
Supported memory types
DDR4-SDRAM
DDR5-SDRAM
DDR4-SDRAM
DDR5-SDRAM
DDR5-SDRAM
DDR5-SDRAM
Number of memory slots
4 to 6
4 to 6
4 to 6
4 to 6
2 to 3
4 to 6