ASRock B550 Phantom Gaming 4 AMD AM4 ATX Motherboard

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Description reviews

Product Information

SKU

134106

Mfr Part#

MB-B550 PHANTOM

UPC

4710483931499

General Specifications

Packaging

Retail

Chipset

AMD B550

BIOS

256Mb AMI UEFI Bios

Manageability

ACPI 5.1

CPU Support

AMD CPU Support

Ryzen

Socket Type

AM4

Memory Specifications

ECC

Non-ECC; Non-Registered
ECC; Non-Registered

Memory Type

DDR4-2133
DDR4-2400
DDR4-2667
DDR4-2933
DDR4-3200

Memory Speeds Supported

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

Memory Slots

4 x 288pin DIMM

Memory Channel Support

Dual Channel

Max Memory Supported

128GB

Maximum Memory Supported Per Slot

32GB

Supported Memory Technologies

ECC Memory Supported
Non-ECC Memory Supported

Video Specifications

Onboard Graphic Chipset

Requires CPU with Integrated Graphics

Multi-GPU Support

2-Way CrossFireX

Storage Specifications

M.2 Port Type

2242
2260
2280
22110

SATA Express

2 x M.2 Socket 3
M Key

SATA 6Gb/s

RAID Support

RAID 0
RAID 1
RAID 10

Audio Specifications

Audio Chipset

Realtek ALC1200

Audio Channels

7.1

Networking

LAN Chipset

Realtek RTL8111H

LAN Speed

10/100/1000Mbps

Expansion Slots

PCI Express 4.0 x16

PCI Express 3.0 x16

PCI Express x1

Back Panel Ports

Legacy Ports

1 x PS/2

LAN Ports

1 x 10/100/1000 RJ-45 LAN

Audio Ports

1 x 3.5 mm Microphone
1 x 3.5 mm Line-In
1 x 3.5 mm Line-Out

USB 3.1

6 x USB 3.2 (Gen 1 Type-A)

Video Connectors

1 x HDMI 1.4

Internal I/O & Connectors

Headers

4 x System Fan Header
2 x CPU Fan Header

USB

2 x USB 2.0 Headers (4 Ports)
1 x USB 3.2 Gen 1 Type-A Header (2 Ports)

Power

Power Connectors

1 x 24-pin ATX Connector
1 x 8-pin +12 V Connector
1 x 4-pin +12 V Connector

ATX Connector

24-pin ATX Power Connector

Physical Specifications

Depth

12.00 in. (305.00 mm)

Width

9.61 in. (244.00 mm)

Form Factor

ATX

Warranty

Parts

3 Years

Labor

3 Years

Package Contents

What's in the Box

Motherboard, Install Guide, Support CD, 2x SATA Data Cables, M.2 Screws and Standoffs, I/O Shield

Download

Bret Schinner

04-05-2025

"I've been using the ASRock B550 Phantom Gaming 4 for a couple of months now, and it has been rock-solid with my Ryzen 5 3600; great value for the price!"
Ken Hill

05-01-2025

"I ran into a few issues with the BIOS initially, but after updating, everything is running smoothly. Excellent performance for gaming and multitasking!"
Janice Veum

29-03-2025

"For the price, this motherboard offers fantastic features. The build quality is impressive, and it fit perfectly in my case with no hassles during installation."
Johann Jerde

26-03-2025

"I wish it had more USB ports, but overall, the ASRock B550 Phantom Gaming 4 has been a reliable choice for my gaming rig. Highly recommend for budget builds!"