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AMD B550 (Ryzen AM4) ATX gaming motherboard with PCIe 4.0, dual M.2, 10 DrMOS power stages, 2.5 Gb Ethernet, HDMI, DisplayPort, SATA 6 Gbps, USB 3.2 Gen 2 Type-A and Type-C, and Aura Sync RGB lighting support

AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors

Enhanced power solution: 8+2 DrMOS power stages, ProCool sockets, military-grade TUF components, and Digi+ VRM for maximum durability

Comprehensive cooling: VRM heatsink, PCH fanless heatsink, M.2 heatsink, hybrid fan headers and Fan Xpert 4 utility

Next-gen connectivity: PCIe 4.0 M.2, USB 3.2 Gen 2 Type-A and Type-C support

Made for online gaming: 2.5 Gb Ethernet, M.2 slot (Key E) for Wi-Fi module, TUF LANGuard, and Turbo LAN technology

Realtek S1200A codec: Pristine audio quality with unprecedented 108 dB signal-to-noise ratio for stereo line out and 103 dB SNR for line in

AI noise-canceling microphone: provides crystal-clear in-game voice communication

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CPUAMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors *

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


ChipsetAMD B550


Memory4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory *

Dual Channel Memory Architecture

ECC Memory (ECC mode) support varies by CPU.

* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.


Graphic1  x DisplayPort 1.2

1  x HDMI 2.1(4K@60HZ)

*Graphics specifications may vary between CPU types.


Multi-GPU SupportSupports AMD 2-Way CrossFireX Technology


Expansion SlotsAMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

1 x PCIe 4.0 x16 (x16 mode)

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors

1 x PCIe 3.0 x16 (x16 mode)

AMD B550 Chipset

1 x PCIe 3.0 x16 (x4 mode)

3 x PCIe 3.0 x1

* Support PCIe bifurcation for RAID on CPU function.


StorageTotal supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors : 

1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors : 

1 x M.2 Socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support

AMD B550 Chipset : 

1 x M.2 Socket 3, with M Key, Type 2242/2260/2280/22110(PCIE 3.0 x4 and SATA modes) storage devices support*2

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

Support Raid 0, 1, 10


LANRealtek RTL8125B 2.5Gb Ethernet

TUF LANGuard


Wireless Data NetworkM.2 slot only (Key E) (Support PCIe interface)*

*Wi-Fi module is sold separately.


AudioRealtek ALC S1200A 7.1 Surround Sound High Definition Audio CODEC

- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback

Audio Feature :

- Exclusive DTS Custom for GAMING Headsets.

- Optical S/PDIF out port(s) at back panel

- Audio cover

- Audio Shielding

- Dedicated audio PCB layers

- Premium Japanese audio capacitors

- Unique de-pop circuit


USB PortsRear USB Port ( Total 8  )

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

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

2 x USB 2.0 port(s)( x Type-A)

Front USB Port ( Total 6  )

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

4 x USB 2.0 port(s)(4 x Type-A)


Software FeaturesASUS Exclusive Software

Armoury Crate

- Aura Creator

- Aura Sync

- AI Noise Cancelling Microphone

AI Suite 3

- Performance And Power Saving Utility

TurboV EVO

EPU

Digi+ VRM

Fan Xpert 4

- EZ update

TUF GAMING CPU-Z

AI Charger

ASUS Turbo LAN

DAEMON Tools

DTS Custom for GAMING Headsets

Norton Anti-virus software (Free Trial for 60 days)

WinRAR

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode


ASUS Special FeaturesASUS TUF PROTECTION

- ASUS DIGI+ VRM (Digital power design with Dr. MOS)

- ASUS Enhanced DRAM Overcurrent Protection

- ASUS ESD Guards

- TUF LANGuard

- ASUS Overvoltage Protection

- ASUS SafeSlot

- ASUS Stainless-Steel Back I/O

ASUS Q-Design

- ASUS Q-DIMM

- ASUS Q-LED (CPU [red], DRAM [yellow], 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

- Procool

AURA Sync

- Standard RGB headers

- Addressable Gen 2 RGB header


Back I/O Ports1 x DisplayPort

1 x HDMI

1 x LAN (2.5G) port(s)

2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C®)

4 x USB 3.2 Gen 1 (blue) Type-A

2 x USB 2.0 (one port can be switched to USB BIOS FlashBack™)

1 x Optical S/PDIF out

5 x Audio jack(s)

1 x BIOS FlashBack™ Button(s)


Internal I/O Ports1 x CPU Fan connector(s)

1 x CPU OPT Fan connector(s)

3 x Chassis Fan connector(s)

1 x AIO_PUMP connector

2 x Aura RGB Strip Headers

1 x Addressable Gen 2 header(s)

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)

1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)

1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)

1 x M.2 with E key for Wi-Fi module

1 x SPI TPM header

6 x SATA 6Gb/s connector(s)

1 x Thunderbolt header(s)

1 x 24-pin EATX Power connector(s)

1 x 8-pin EATX 12V Power connectors

1 x Front panel audio connector(s) (AAFP)

1 x Thermal sensor connector(s)

1 x Clear CMOS jumper(s)

1 x System panel connector

1 x COM port header


AccessoriesUser´s manual

I/O Shield

2 x SATA 6Gb/s cable(s)

1 x Supporting DVD

1 x TUF Gaming Sticker

1 x TUF Certification card(s)

1 x M.2 SSD screw package(s)

1 x M.2 Rubber Package(s)


BIOS256 Mb Flash ROM, UEFI AMI BIOS


ManageabilityWOL by PXE


Operating SystemWindows® 10 64-bit


Form FactorATX Form Factor

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


Note*1 PCIE 3.0 X16_2 runs x1 mode when any of the PCIe 3.0 x1 slots is occupied.

*2 M2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56 will be disabled.