Components > Motherboards

Asrock B550M-ITX/AC, AMD B550, AM4, Mini ITX, 2 DDR4, HDMI, DP, AC Wi-Fi, PCIe4, M.2

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PLEASE NOTE:

Ryzen 4100, 4500, 4600G, 5500, 5700X, 5800X3D,
5600G & 5700G CPUs may require a BIOS update

Stock Code

ASMBB550M-ITXAC

Manufacturer

ASROCK

Manufacturer Code

B550M-ITX/AC

EAN Number

4710483931727

Printable Version

Out of Stock: call for information

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Motherboard Type

Desktop

Form Factor

Mini ITX

Socket

AMD AM4

Chipset

AMD B550

CPU Support

Click here for CPU support

*Note: not compatible with Ryzen 5 3400G & Ryzen 3 3200G CPUs

RAM Technology

DDR4 (Dual Channel)

RAM Slots

2 x DIMM

RAM Speeds

4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 MHz

Maximum Memory

64GB

Graphics

Integrated Graphics Processor*

Graphics specifications may vary between CPU types

Graphics Ports

1 x HDMI
1 x DisplayPort 1.4

Multi-GPU Support

PCI/PCI Express

1 x PCIe 4.0 x16

Storage

4 x SATA3 III
1 x M.2 (2280) - SATA & PCIe

RAID

RAID 0, 1, 10

Wireless

Intel 802.11ac WiFi Module
Supports IEEE 802.11a/b/g/n/ac
Supports Dual-Band (2.4/5 GHz)
Supports wireless connections up to 433Mbps
Supports Bluetooth 4.2

LAN

GB LAN

Audio

7.1 CH HD Audio (Realtek ALC887 Audio Codec)

USB Ports Supported

2 x USB 3.2 Gen1 (Type-A & Type-C at back)
2 x USB 3.2 Gen1 (at mid-board)
4 x USB 2.0 (2 at back, 2 at mid-board)

Back Panel I/O Ports

2 x Antenna
1 x PS/2 Mouse/Keyboard
1 x HDMI
1 x DisplayPort 1.4
2 x USB 2.0
3 x USB 3.2 Gen1 Type-A
1 x USB 3.2 Gen1 Type-C
1 x RJ-45 LAN
HD Audio Jacks

Internal I/O Connectors

1 x RGB LED
1 x Addressable LED
1 x CPU Fan
2 x Chassis/Water Pump Fan
1 x 24 pin ATX
1 x 8 pin 12V
1 x Front Audio
1 x USB 2.0
1 x USB 3.2 Gen1

Accessories

Quick Installation Guide, Support CD, I/O Shield
2 x SATA Data Cables
2 x ASRock WiFi 2.4/5 GHz Antennas

Additional Features

See Overview

Package Type

Retail

Package Weight

0.8700 kg

Warranty

2 Year Replacement Warranty