ASUS

ASUS ROG Strix B550-A Gaming AMD AM4 ATX Motherboard DDR4

  • Processor manufacturerAMD
  • Maximum internal memory128 GB
  • Supported storage drive interfacesPCI Express 3.0
  • RAID levels0/1/10
  • Audio output channels7.1
  • Windows operating systems supportedWindows 10 Enterprise x64

The ASUS ROG Strix B550-A Gaming is an ATX motherboard for AMD AM4 socket processors, built on the AMD B550 chipset and designed to deliver premium-tier features at the mid-range level — including PCIe 4.0 support for the latest NVMe drives and graphics cards.

Description

Solid Foundation for a High-Performance AMD Build

  • AMD AM4 socket with B550 chipset — compatible with 3rd Gen AMD Ryzen processors
  • PCIe 4.0 x16 slot plus two additional PCIe 3.0 slots for flexible expansion
  • Two M.2 slots for fast NVMe SSD storage without occupying PCIe lanes
  • Four DDR4 memory slots supporting dual-channel configurations for maximum bandwidth
  • Connectivity includes USB 3.2, USB-C, optical S/PDIF, DisplayPort, and HDMI outputs

A strong pick for PC builders upgrading to Ryzen 5000 or 3000 series CPUs who want a full-size ATX motherboard with modern connectivity, dual M.2 storage, and a distinctive silver-and-white aesthetic for windowed cases.

Specifications

General

BrandASUS
Product colourBlack/Silver
BIOS typeUEFI
Component forPC
BIOS memory size256
ECC сompatibilityECC
PCI Express x16 slots3
Number of memory slots4
Motherboard form factorATX
Number of M.2 (M) slots2
PCI Express x1 (Gen 3.x) slots3
EAN4718017826594

Processor

Processor manufacturerAMD
Motherboard chipsetAMD B550
Processor socketSocket AM4
Motherboard chipset familyAMD
Compatible processor seriesAMD Ryzen™ 3

Memory

Maximum internal memory128 GB
Memory slots typeDIMM

Storage

Supported storage drive interfacesPCI Express 3.0

Graphics

On-board graphics cardNo

Audio

Audio output channels7.1

Ports

HDMI ports quantity1
USB 2.0 ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
Ethernet LANNo
USB 2.0 connectors2
DisplayPort version1.2
DisplayPorts quantity1
Number of SATA III connectors6
USB 3.2 Gen 2 (3.1 Gen 2) connectors1

Connectivity

Wi-FiNo

Software & security

Windows operating systems supportedWindows 10 Enterprise x64

Performance & capacities

RAID levels0/1/10
Supported memory clock speeds2133/2400/2666/2800/3000/3200/3466/3600/3866/4000/4133/4400/4600

Features

RAID supportYes
Supported memory typesDDR4-SDRAM
Parallel processing technology support2-Way CrossFireX

Dimensions & weight

Width305 mm
Depth244 mm
Height68 mm
Weight945 g

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