Description

Features:

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support

AMD AM4 Socket: Ready for Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers, and Fan Xpert 2+ utility
Ultrafast Connectivity: Dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A support
Aura Sync RGB Lighting: Onboard addressable Gen 2 header and RGB headers for RGB LED strips, easily synced with Aura Sync-capable hardware
Tune It Your Way
Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity.

Cool to the Core

Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.

VRM Heatsink and Thermal Pads

A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.

Build on a Solid Foundation

Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

Little Things Make a Big Difference

Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look

Outstanding Audio

Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced.

Specifications:

CPU AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset B550
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* Dual Channel Memory

Architecture * ECC memory (ECC mode) support varies by CPU. *

Graphics
1 x D-Sub port

1 x DVI-D port

1 x HDMI® port**

* Graphics specifications may vary between CPU types. ** Supports 4K@60Hz as specified in HDMI 2.1.

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
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

ASUS LANGuard

Wireless & Bluetooth
2×2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + BT5.2

Wi-Fi 6

2×2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)

Supports 2.4/5GHz frequency band

Bluetooth v5.2

USB
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
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 S/PDIF Out header

1 x Speaker header

1 x SPI TPM header (14-1pin)

1 x 10-1 pin System Panel header

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

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

Form Factor
microATX

24.4cm x 24.4cm

Warranty 3 Years