Product Specification

CPU

Chipset : AMD B550

CPU Socket : AM4

Back Panel I/O

USB

2 x USB 2.0 Type-A

3 x USB 3.1 / USB 3.2 Gen 1 Type-A

1 x USB 3.1 / USB 3.2 Gen 2 Type-C

Thunderbolt : None

Display

1 x DisplayPort 1.4Output

1 x HDMI 2.1Output

Audio : 3 x 3.5 mm

Ethernet / Controller : 1 x Realtek RTL8111H Gigabit

PS/2 : 1 x PS/2

Wi-Fi Antenna : 2 x Connector

Memory

Memory Slots : 2 x 288-Pin

Memory Support : DDR4 2133, 2400, 2667, 2933, 3200, 3466, 3600, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4333, 4400, 4466, 4533, 4600, 4666, 4733 MHz

Maximum Capacity : 64 GB

Channel Architecture : Dual Channel

ECC Support : Non-ECC, ECC Unbuffered

Storage Expansion

SATA : 4 x SATA III

M.2 : 1 x B Key 2280 (PCIe 4.0 x4, SATA III)

U.2 : None

RAID Support : RAID 0, 1, 10

Internal I/O

Expansion Slots : 1 x PCIe 4.0 x16 (x16 mode)

USB

1 x USB 2.0 Header (Supports 2 USB Type-A Port)

1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 2 USB Type-A Port)

Multi-GPU Support : None

Air Cooling

1 x 4-Pin CPU

2 x 4-Pin System

Power Connectors

1 x 24-Pin Mainboard

1 x 8-Pin ATX

LED Header : 1 x RGB

Audio : 1 x Speaker

BIOS

ROM : 256 Mb

Front Panel I/O

I/O Connection Headers : AAFP, USB 3.1 / USB 3.2 Gen 1

Audio

Audio Codec : Realtek ALC887 (7.1-Channel)

Wireless

Bluetooth : 4.2

Wi-Fi : Wi-Fi 5 (802.11ac) (MU-MIMO)

Module Support : 1 E Key M.2

Software

Supported Operating Systems : Windows 10 (64-Bit)

Physical

Form Factor : Mini-ITX

Dimensions : 6.69 x 6.69" / 17 x 17 cm

Packaging Info

Package Weight : 1.9 lb

Box Dimensions (LxWxH) : 11 x 8.4 x 2.4"

ASRock B550M-ITX/AC Supports 3rd Gen AMD AM4 Ryzen/Future AMD Ryzen Processors Motherboard

(410 Total Review)

The ASRock B550M-ITX/AC is a compact yet powerful Mini-ITX motherboard built to deliver exceptional performance for gamers, creators, and PC enthusiasts. With its Mini-ITX form factor, the B550M-ITX/AC is perfect for building compact and efficient PCs. Despite its small size, it offers all the essential ports you want.

Additionally, the ASRock B550M-ITX/AC is built around the AMD AM4 socket and supports 3rd Gen AMD Ryzen processors. This ensures compatibility with a wide range of powerful CPUs, which ensures powerful performance for demanding applications. This motherboard includes 2 DDR4 DIMM slots, supporting up to 64GB of memory.

Product Features

Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors.
Supports DDR4 4733+ (OC).
Graphics Output: DisplayPort, HDMI.
Realtek ALC887 Audio Codec.
PCIe 4.0 Support.

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Out of Stock · Last Checked At: Oct 30, 2026

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