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Learn more about ASUS STRIX B550-A GAMING

Model

Brand

ASUS

Series

ROG

Model

STRIX B550-A GAMING

Supported CPU

CPU Socket Type

AM4

CPU Type

Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Processors* Refer to www.asus.com for CPU support list.* BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU.

Chipsets

Chipset

AMD B550

Memory

Number of Memory Slots

4x288pin (DDR4)

Memory Standard

DDR4 5100(OC) / 4800(OC) / 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 4000 G-Series Processors)DDR4 4600(OC) / 4400(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133

Maximum Memory Supported

128GB

Channel Supported

Dual Channel

ECC Supported

ECC Memory (ECC mode) support varies by CPU.

Buffer Supported

Un-buffered

Expansion Slots

PCI Express 4.0 x16

1 x PCI Express 4.0 x16** Actual support may vary by CPU.

PCI Express 3.0 x16

1 x PCIe 3.0 x16** Supports x4 mode.* PCIEX16_2 shares bandwidth with PCIE x1_1, PCIE x1_2, and PCIE x1_3.

PCI Express x1

3 x PCIe 3.0 x1

Storage Devices

SATA 6Gb/s

6 x SATA 6Gb/s

M.2

3rd Gen AMD Ryzen Processors:1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode)AMD B550 Chipset:1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x4 mode)** When the M.2_2 Socket 3 is populated, SATA6G_5/6 ports will be disabled.

SATA RAID

0/1/10

Onboard Video

Onboard Video Chipset

Supported only by CPU with integrated graphic

Onboard Audio

Audio Chipset

ROG SupremeFX High Definition Audio CODEC S1220A

Audio Channels

8 Channels** Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.

Onboard LAN

LAN Chipset

Intel I225-V

Max LAN Speed

10/100/1000/2500Mbps

Rear Panel Ports

Back I/O Ports

1 x Intel I225-V 2.5Gb Ethernet1 x DisplayPort1 x HDMI2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)4 x USB 3.2 Gen 12 x USB 2.01 x Optical S/PDIF out1 x BIOS FlashBack Button(s)5 x Gold-plated audio jacks

Internal I/O Connectors

Onboard USB

1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)

Other Connectors

1 x CPU Fan connector(s)1 x CPU OPT Fan connector(s)3 x Chassis Fan connector(s)1 x AIO_PUMP connector1 x AAFP connector2 x Aura RGB Strip Header(s)1 x Addressable Gen 2 header(s)1 x Thunderbolt header(s)1 x System panel(s)1 x Thermal sensor connector(s)1 x Clear CMOS jumper(s)

Physical Spec

Form Factor

ATX

LED Lighting

RGB

Dimensions (W x L)

12.0″ x 9.6″

Power Pin

1 x 24-pin EATX Power connector(s)1 x 8-pin ATX 12V Power connector(s)1 x 4-pin ATX 12V Power connector(s)

Windows 11 Compatibility

Windows 11

Supported

Features

Features

Multi-GPU Support:Supports AMD 2-Way CrossFireX Technology Software Features:ROG Exclusive Software- RAMCache III- ROG CPU-Z- GameFirst VI- Sonic Studio III + Sonic Studio Virtual Mixer- Sonic Radar III- DTS Sound Unbound- Overwolf- Anti-virus softwareASUS Exclusive Software FeaturesArmoury Crate- Aura Creator- Aura Sync- AI Noise Cancelling MicrophoneAI Suite 3:- PPSUEPUDIGI+ VRMFan Xpert 4TurboV EVO- EZ updateWinRARUEFI BIOSASUS EZ DIY- ASUS CrashFree BIOS 3- ASUS EZ Flash 3- ASUS UEFI BIOS EZ ModeASUS Special Features:Aura Sync- Standard RGB header(s)- Addressable Gen 2 RGB header(s)ASUS Q-Design- ASUS Q-DIMM- ASUS Q-LED (DRAM [yellow], CPU [red], VGA [white], Boot Device [yellow green)- ASUS Q-SlotASUS Thermal Solution- Aluminum M.2 heatsinkASUS EZ DIY- BIOS FlashBack button- BIOS FlashBack LED- Clear CMOS header- ProCool- Pre-mounted I/O shield- SafeSlotBIOS:256MB Flash ROM, UEFI AMI BIOSManageability:WOL by PME, PXEOperating System:Windows 10 64-bit