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

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

2024/08/12: The new BIOS with Intel microcode (0x129) enhancing the stability of Intel Core 13th and 14th Gen desktop processors is now available. Please visit support site for the latest BIOS updates.

AMD B550

Memory Channels:4DDR4 (Dual channel)
Max Memory Size:128GB

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*

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.

1 x DisplayPort 1.2

1 x DisplayPort**

** Supports max. 4K@60Hz as specified in DisplayPort 1.2.

*** Supports 4K@60Hz as specified in HDMI 2.1.

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

1 x PCIe 3.0 x16 slot (supports x4 mode)**

1 x PCIe 3.0 x1 slot**

* Support PCIe bifurcation for RAID on CPU function.

** PCIEX16_2 will run x2 mode when PCIEX1 slot is used.

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 (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 (supports PCIe 3.0 x4 & SATA modes)

AMD B550 Chipset

M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)

4 x SATA 6Gb/s ports

Support RAID 0, 1, 10

1 x Realtek 2.5Gb Ethernet
TUF LANGuard

Wi-Fi 6
2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Supports 2.4/5GHz frequency band
Bluetooth v5.2

Rear USB:Total 8 ports

2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C^®)

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

2 x USB 2.0 ports (2 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

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

- Rear optical S/PDIF out port

- Premium audio capacitors

- Dedicated audio PCB layers

- Audio cover

2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C^®)

4 x USB 3.2 Gen 1 ports (4 x Type-A, one port can be switched to USB BIOS FlashBack™)

2 x USB 2.0 ports (2 x Type-A)

1 x DisplayPort

1 x HDMI^® port

1 x Wi-Fi Module

1 x Realtek 2.5Gb Ethernet port

5 x Audio jacks

1 x Optical S/PDIF out port

1 x BIOS FlashBack™ button

1 x PS/2 Keyboard/Mouse combo port

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

Power related

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

Storage related

2 x M.2 slots (Key M)

4 x SATA 6Gb/s ports

USB

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

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 Speaker header

1 x SPI TPM header (14-1pin)

1 x 10-1 pin System Panel header

Y

ASUS TUF PROTECTION

- DIGI+ VRM (Digital power design with DrMOS)

- Enhanced DRAM Overcurrent Protection

- ESD Guards

- TUF LANGuard

- Overvoltage Protection

- SafeSlot

- Stainless-Steel Back I/O

ASUS Q-Design

- Q-DIMM

- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])

- Q-Slot

ASUS Thermal Solution

- M.2 heatsink

- VRM heatsink design

ASUS EZ DIY

- BIOS FlashBack™ button

- BIOS FlashBack™ LED

- ProCool

AURA Sync

- AURA RGB headers

- Addressable Gen 2 header

ASUS Exclusive Software

Armoury Crate

- Aura Creator

- Aura Sync

- Two-Way AI Noise Cancelation

AI Suite 3

- Performance And Power Saving Utility

- EZ update

TUF GAMING CPU-Z

AI Charger

DAEMON Tools

DTS Custom for GAMING Headsets

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

Cables

2 x SATA 6Gb/s cables

Miscellaneous

1 x ASUS Wi-Fi moving antennas

1 x I/O Shield

1 x M.2 Rubber package

1 x M.2 SSD screw package

1 x TUF Gaming sticker

Installation Media

1 x Support DVD

Documentation

1 x TUF Certification card

1 x User guide

Windows 10 64bit

Windows^® 11 ready

Windows^® 10 64-bit

microATX
24.4cm x 24.4cm