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Home Motherboards Gigabyte B550
Product Details

SPECIFICATION

Model

PRIME B550M-A WIFI II

CPU Socket

AMD Ryzen™ 5000 Series/5000 G-Series/4000 G-Series/3000 Series Desktop Processors

Supported Processor Generations

*Refer to for CPU support list.

Memory

4 x DIMM, Max. 128GB, 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, Un-buffered Memory

Memory Architecture

Dual Channel Memory Architecture

Graphics Outputs

1 x D-Sub port

1 x DVI-D port

1 x HDMI® port**

Expansion Slots

AMD Ryzen™ 5000 Series/3000 Series Desktop Processors: 1 x PCIe 4.0 x16 slot (supports x16 mode)

AMD Ryzen™ 5000 G-Series/4000 G-Series Desktop Processors: 1 x PCIe 3.0 x16 slot (supports x16 mode)

AMD B550 Chipset: 2 x PCIe 3.0 x1 slots

Storage

Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports

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™ 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)

4 x SATA 6Gb/s ports

Support RAID 0, 1, 10

Ethernet

1 x Realtek 1Gb Ethernet

Wireless & Bluetooth

Wi-Fi 6

2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)

Supports 2.4/5GHz frequency band

Bluetooth v5.2

USB Ports

Rear USB: Total 6 ports

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

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

Front USB: Total 6 ports

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

Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC

- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking

- Supports up to 24-Bit/192 kHz playback

Audio Features:

- Audio Shielding

- LED-illuminated audio trace path design

- Premium audio capacitors

- Dedicated audio PCB layers

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

Back Panel I/O Ports

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

Internal I/O Connectors

Various headers for fan, cooling, power, storage, USB, and more

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

Accessories

Cables, ASUS Wi-Fi moving antennas, I/O Shield, M.2 SSD screw package, Support DVD, User manual

Operating System

Windows® 11, Windows® 10 64-bit

Form Factor

microATX

Dimensions: 24.4cm x 24.4cm

 

ASUS PRIME B550M-A (WIFI) II Motherboard
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