ASUS ROG STRIX B550-A GAMING AM4 MOTHERBOARD

ROG STRIX B550-A GAMING

CPU

AMD AM4 Socket 3rd Gen AMD Ryzen™ Processors

* Refer to www.asus.com for CPU support list

Chipset

AMD B550

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

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

3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors

OptiMem II

3rd Gen AMD Ryzen™ Processors

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 DisplayPort 1.2

1 x HDMI 2.1(4K@60HZ)

*Graphics specifications may vary between CPU types.

Integrated Graphics Processor

Multi-GPU Support

Supports AMD 2-Way CrossFireX Technology

Expansion Slots

1 x PCIe 3.0 x16 (x4 mode) *

AMD B550 Chipset

3 x PCIe 3.0 x1

1 x PCIe 4.0 x16 (x16 mode)

1 x PCIe 3.0 x16 (x16 mode)

Storage

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

3rd Gen AMD Ryzen™ with Radeon™ Graphics 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 :

6 x SATA 6Gb/s port(s),

3rd Gen AMD Ryzen™ Processors :

Support Raid 0, 1, 10

LAN

Intel® I225-V 2.5Gb Ethernet

ASUS LANGuard

Audio

– Optical S/PDIF in port(s) at back panel

– Audio Shielding

– Premium Japanese audio capacitors

– Audio Cover

– Supports up to 32-Bit/192kHz playback *

ROG SupremeFX8-Channel High Definition Audio CODEC S1220A

– SupremeFX Shielding™ Technology

– Gold-plated jacks

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

– 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

Audio Feature :

USB Ports

Rear USB Port ( Total 8 )

Front USB Port ( Total 6 )

4 x USB 3.2 Gen 1 port(s)(4 x Type-A)

2 x USB 3.2 Gen 1 port(s)

2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®)

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

2 x USB 2.0

5 x Gold-plated audio jacks

1 x DisplayPort

1 x HDMI

1 x Optical S/PDIF out

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)

6 x SATA 6Gb/s connector(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)

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 Rubber Package(s)

1 x M.2 SSD screw 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

12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

ATX Form Factor

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.