ASUS Prime B550M-A WIFI II micro ATX motherboard

ASUS

PRIME B550M-A WIFI II

90MB19X0-M0AAY0

AM4

Supports AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Processors

AMD B550

4x288pin (DDR4)

DDR4 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133

128GB

Dual Channel

ECC memory (ECC mode) support varies by CPU

Un-buffered

1 x PCI Express 4.0 x16*

* Actual support may vary by CPU.

2 x PCIe 3.0 x1

4 x SATA 6Gb/s

AMD Ryzen 5000 Series/ 3000 Series Desktop Processors:

M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)

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

M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)

AMD B550 Chipset:

M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)

0/1/10

Supported only by CPU with integrated graphic

Realtek 7.1 Surround Sound High Definition Audio CODEC

7.1 Channels*

* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Realtek 1Gb Ethernet

1Gbps

Wi-Fi 6

802.11 a/b/g/n/ac/ax

Bluetooth 5.2

2 x USB 3.2 Gen 2 ports (2 x Type-A)

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

1 x D-Sub port

1 x DVI-D port

1 x HDMI port

1 x Wi-Fi Module

1 x Realtek 1Gb Ethernet port

3 x Audio jacks

1 x PS/2 Keyboard/Mouse combo port

1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports

2 x USB 2.0 headers support additional 4 USB 2.0 ports

Fan and Cooling related

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

2 x 4-pin Chassis Fan headers

Miscellaneous

1 x Addressable Gen 2 header

2 x AURA RGB headers

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x S/PDIF Out header

1 x Speaker header

1 x SPI TPM header (14-1pin)

1 x 10-1 pin System Panel header

Micro ATX

RGB

9.6" x 9.6"

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

Ready

Special Features:

ASUS 5X PROTECTION III

- DIGI+ VRM

- LANGuard

- Overvoltage Protection

- SafeSlot Core

- Stainless-Steel Back I/O

ASUS Q-Design

- Q-DIMM

- Q-Slot

ASUS Thermal Solution

- VRM heatsink design

AURA Sync

- AURA RGB headers

- Addressable Gen 2 header

Software Features:

ASUS Exclusive Software

Armoury Crate

- AURA Creator

- AURA Sync

AI Suite 3

- Performance and Power Saving Utility

TurboV EVO

EPU

DIGI+ VRM

Fan Xpert 2+

- EZ update

- Lighting Control

ASUS CPU-Z

AI Charger

DAEMON Tools

MyASUS

Norton Anti-virus software (Free Trial version)

WinRAR

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

BIOS:

256 Mb Flash ROM, UEFI AMI BIOS

Manageability:

WOL by PME, PXE

Operating System:

Windows 11 64-bit, Windows 10 64-bit

Accessories:

Cables

2 x SATA 6Gb/s cables

Miscellaneous

1 x ASUS Wi-Fi moving antennas

1 x I/O Shield

1 x M.2 SSD screw package

Installation Media

1 x Support DVD

Documentation

1 x User manual