ASUS ROG Strix B550-A Gaming

ASUS ROG Strix B550-A Gaming AM4 PCIe 4.0 2.5Gb LAN Dual M.2 ATX

ASUS ROG Strix B550-A Gaming AM4 PCIe 4.0 2.5Gb LAN Dual M.2 ATX

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  • AMD AM4 Socket And Pcie 4.0: The Perfect Pairing For 3Rd Gen AMD Ryzen Cpus
  • High-Performance Gaming Networking: 2.5 Gb LAN With ASUS Languard
  • Best Gaming Connectivity: Supports HDMI 2.1(4K@60HZ) And Displayport 1.2 Output, Featuring Dual M.2 Slots (Nvme SSD)—One With Pcie 4.0 X4 Connectivity, USB 3.2 Gen 2 Type-C Port And Thunderbolt 3 Header
  • Industry-Leading Gaming Audio & AI Noise Cancelling Mic Technology: High Fidelity Audio From A Supremefx S1220A Codec With DTS Sound Unbound And Sonic Studio III Draws You Deeper Into The Action. Communicate Clearly With ASUS AI Noise Cancelling Mic Technology.
  • DIY-Friendly Design: Includes Pre-Mounted I/O Shield, BIOS Flashback, Q-Leds And Safeslot
  • Unmatched Personalization: White ASUS-Exclusive Aura Sync RGB Lighting, Including RGB Headers And A Gen 2 Addressable RGB Header For Greater Customization
  • Renowned Software: Intuitive Dashboards For UEFI BIOS And ASUS AI Networking Make It Easy To Configure Gaming Builds
  • Robust Power Design: 12+2 Drmos Power Stages With High-Quality Alloy Chokes And Durable Capacitors Provide Reliable Power For The Last AMD High-Count-Core Cpus

Specifications Overview

Model
  • ROG Strix B550-A Gaming
  • 90MB15J0-M0AAY0
  • 90MB15J0-M0EAY0
Release Date August 2020

* First availability for purchase, it may not correspond to the actual market launch date.

Series ROG
Socket AM4
Form factor ATX
Chipset AMD B550
Supported Memory DDR4
2133Mhz 2400Mhz 2666Mhz 2800Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3866Mhz 4000Mhz 4133Mhz 4400Mhz 4600Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
* ECC memory support also depends on the CPU memory controller
Audio Chipset ROG SupremeFX High Definition Audio CODEC S1220A
Audio Channels 8 Channels
LAN Chipset Intel I225-V
Max LAN Speed 10/100/1000/2500Mbps
SLI Support
CrossFire Support
RAID Support
Back I/O Ports
  • 1 x Intel I225-V 2.5Gb Ethernet
  • 1 x DisplayPort
  • 1 x HDMI
  • 2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
  • 4 x USB 3.2 Gen 1
  • 2 x USB 2.0
  • 1 x Optical S/PDIF out
  • 1 x BIOS FlashBack Button(s)
  • 5 x Gold-plated audio jacks
Wireless LAN
PCI-Express x16 Slots 2
PCI-Express x4 Slots 0
PCI-Express x1 Slots 3
SATA 6 Gbps Ports 6
SATA Express Ports 0
M.2 Ports 2
M.2 Devices support
  • 2242 / 2260 / 2280 / 22110 - M Key
  • 2242 / 2260 / 2280 / 22110 - M Key
RAM Slots 4
Maximum Supported RAM 128 GB
Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 0


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