ASUS ROG STRIX B550-A GAMING

AMD B550 Ryzen AM4 Gaming ATX motherboard with PCIe® 4.0, teamed power stages, Intel® 2.5Gb Ethernet, dual M.2 with heatsinks, SATA 6 Gbps, USB 3.2 Gen 2 and Aura Sync RGB

  • AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • Best gaming connectivity: PCIe® 4.0-ready, dual M.2, USB 3.2 Gen 2 Type-C® plus HDMI™ 2.1 and DisplayPort 1.2 output support
  • Smooth networking: Intel® 2.5Gb Ethernet with ASUS LANGuard
  • Robust power solution: Teamed power stages with ProCool power connector, high-quality alloy chokes and durable capacitors
  • Renowned software: Intuitive dashboards for UEFI BIOS and ASUS AI Networking make it easy to configure gaming builds
  • DIY-friendly design: Includes pre-mounted I/O shield, BIOS FlashBack™, Q-LEDs and SafeSlot
  • Unmatched personalization: ASUS-exclusive Aura Sync RGB lighting, including Aura RGB header and addressable Gen 2 RGB header
  • Industry-leading gaming audio: AI Noise-Canceling Microphone, SupremeFX S1220A codec, DTS® Sound Unbound™ and Sonic Studio III for immersive audio
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Description

AMD B550 Ryzen AM4 Gaming ATX motherboard with PCIe® 4.0, teamed power stages, Intel® 2.5Gb Ethernet, dual M.2 with heatsinks, SATA 6 Gbps, USB 3.2 Gen 2 and Aura Sync RGB

  • AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • Best gaming connectivity: PCIe® 4.0-ready, dual M.2, USB 3.2 Gen 2 Type-C® plus HDMI™ 2.1 and DisplayPort 1.2 output support
  • Smooth networking: Intel® 2.5Gb Ethernet with ASUS LANGuard
  • Robust power solution: Teamed power stages with ProCool power connector, high-quality alloy chokes and durable capacitors
  • Renowned software: Intuitive dashboards for UEFI BIOS and ASUS AI Networking make it easy to configure gaming builds
  • DIY-friendly design: Includes pre-mounted I/O shield, BIOS FlashBack™, Q-LEDs and SafeSlot
  • Unmatched personalization: ASUS-exclusive Aura Sync RGB lighting, including Aura RGB header and addressable Gen 2 RGB header
  • Industry-leading gaming audio: AI Noise-Canceling Microphone, SupremeFX S1220A codec, DTS® Sound Unbound™ and Sonic Studio III for immersive audio

Tech Specs

CPU

AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
* Refer to www.asus.com for CPU support list

Chipset

AMD B550

Memory

AMD RyzenTM 4000 G-Series Processors
4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4800(O.C.)/4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
OptiMem II
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).

Graphic

1 x HDMI 2.1([email protected])
1 x DisplayPort 1.2
*Graphics specifications may vary between CPU types.
Integrated Graphics Processor

Multi-GPU Support

Supports AMD 2-Way CrossFireX Technology

Expansion Slots

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
AMD B550 Chipset
1 x PCIe 3.0 x16 (x4 mode) *
3 x PCIe 3.0 x1
1 x PCIe 4.0 x16 (x16 mode)
1 x PCIe 3.0 x16 (x16 mode)

Storage

AMD RyzenTM 4000 G-Series Processor :
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors :
1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)*
1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports
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 :
Support Raid 0, 1, 10
6 x SATA 6Gb/s port(s),

LAN

Intel® I225-V 2.5Gb Ethernet
ASUS LANGuard

Audio

– Audio Shielding
– Premium Japanese audio capacitors
– Audio Cover
– Optical S/PDIF in port(s) at back panel
ROG SupremeFX8-Channel High Definition Audio CODEC S1220A
– Dual OP Amplifiers
– Impedance sense for front and rear headphone outputs
– Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking
– High quality120dBSNR stereo playback outputand113dBSNR recording input
– Supports up to 32-Bit/192kHz playback *
Audio Feature :
– SupremeFX Shielding™ Technology
– Gold-plated jacks
* Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.

USB Ports

Front USB Port ( Total 6 )
Rear USB Port ( Total 8 )
4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®)
2 x USB 3.2 Gen 1 port(s)
2 x USB 2.0 port(s)
4 x USB 2.0 port(s)

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 software
ASUS Exclusive Software Features
Armoury Crate
– Aura Creator
– Aura Sync
– AI Noise Cancelling Microphone
AI Suite 3:
– PPSU
EPU
DIGI+ VRM
Fan Xpert 4
TurboV EVO
– EZ update
WinRAR
UEFI BIOS
ASUS EZ DIY
– ASUS CrashFree BIOS 3
– ASUS EZ Flash 3
– ASUS UEFI BIOS EZ Mode

ASUS 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-Slot
ASUS Thermal Solution
– Aluminum M.2 heatsink
ASUS EZ DIY
-BIOS FlashBack™ button
-BIOS FlashBack™ LED
-Clear CMOS header
-ProCool
-Pre-mounted I/O shield
– SafeSlot

Back I/O Ports

1 x BIOS FlashBack Button(s)
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C®)
1 x Intel® I225-V 2.5Gb Ethernet
4 x USB 3.2 Gen 1
1 x DisplayPort
1 x HDMI
2 x USB 2.0
1 x Optical S/PDIF out
5 x Gold-plated audio jacks

Internal I/O Ports

1 x M.2 Socket 1 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
1 x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
1 x Thunderbolt header(s)
1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
3 x Chassis Fan connector(s)
1 x AIO_PUMP connector
1 x AAFP connector
2 x Aura RGB Strip Header(s)
1 x Addressable Gen 2 header(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
6 x SATA 6Gb/s connector(s)
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)
1 x System panel(s)
1 x Thermal sensor connector(s)
1 x Clear CMOS jumper(s)

Accessories

1 x M.2 SSD screw package(s)
1 x M.2 Rubber Package(s)
User´s manual
4 x SATA 6Gb/s cable(s)
1 x Supporting DVD
1 x ROG Strix stickers
1 x Cable ties pack(s)
1 x Extension cable for Addressable LED
1 x ROG Thank you card

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PME, PXE

Operating System

Windows® 10 64-bit

Form Factor

ATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Note

* Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3
* When the M.2_2 Socket 3 is populated , SATA6G_5/6 ports will be disabled.