Product Specification

CPU

Chipset : AMD B550

CPU Socket : AM4

Back Panel I/O

USB

5 x USB 3.1 / USB 3.2 Gen 2 Type-A

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

6 x USB 2.0 Type-A

Thunderbolt : None

Display : 1 x HDMI 2.1

Audio

5 x 3.5 mm

1 x S/PDIF

Ethernet / Controller : 1 x Realtek 2.5Gigabit

Wi-Fi Antenna : 2 x Connector

Buttons : BIOS Flashback

Memory

Memory Slots : 4 x 288-Pin

Memory Support : DDR4 2133, 2400, 2667, 2933, 3200, 3333, 3600, 4000, 4400, 4600, 4866, 5200, 5400 MHz

Maximum Capacity : 128 GB

Storage Expansion

SATA : 6 x SATA III

M.2

1 x M Key 2242, 2280, 22110 (PCIe 4.0 x4, PCIe 4.0 x2, PCIe 3.0 x2, PCIe 3.0 x4, SATA (Unspecified))

2 x M Key 2242, 2280, 22110 (PCIe 4.0 x4, PCIe 4.0 x2, PCIe 3.0 x2, PCIe 3.0 x4)

U.2 : None

RAID Support : RAID 0, 1, 10 (SATA)

Internal I/O

Expansion Slots

1 x PCIe 4.0 x16

2 x PCIe 3.0 x16 (x4 mode)

USB

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

2 x USB 2.0 Header (Supports 4 USB Type-A Port)

Air Cooling

1 x 4-Pin CPU

4 x 4-Pin System

Liquid Cooling

1 x 4-Pin Pump

2 x Radiator Fan

Power Connectors

1 x 24-Pin Mainboard

1 x 8-Pin ATX

1 x 4-Pin ATX

Security : TPM Module

LED Header : 5 x RGB

Diagnostics : Clear CMOS

Add-On : 1 x Thunderbolt Card Header

BIOS

ROM : 2 x 256 Mb

Front Panel I/O

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

Audio

Audio Codec : Realtek ALC1220-VB (7.1-Channel)

Wireless

Bluetooth : 5.0

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

Software

Supported Operating Systems : Windows 10 (64-Bit)

Physical

Form Factor : ATX

Dimensions : 9.61 x 12.01" / 24.4 x 30.5 cm

Packaging Info

Package Weight : 4.945 lb

Box Dimensions (LxWxH) : 14 x 11.8 x 2.9"

GIGABYTE B550 AORUS Master (AM4 AMD/B550/ATX/Triple M.2/SATA 6Gb/s/USB 3.2 Gen 2/WiFi 6/Realtek ALC1220-Vb/Fins-Array Heatsink/RGB Fusion 2.0/DDR4/Gaming Motherboard)

(369 Total Review)

The GIGABYTE B550 AORUS Master is a high-quality ATX motherboard built for AMD Ryzen processors using the AM4 socket. The B550 AORUS Master motherboard is compatible with AMD Ryzen 3000, 4000 G-Series, and 5000 series processors using the AM4 socket.

Additionally, equipped with a 16-phase digital VRM design and 70A power stages, this motherboard delivers stable and efficient power to the CPU. Also, featuring a USB 3.2 Gen2 Type-C port and HDMI support, the motherboard offers versatile connectivity options. Whether you are a gamer, creator, or any other user, this board has got your back.

Product Features

Supports 3rd Gen AMD Ryzen Processors.
Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs.
Direct 16 Phases Digital VRM Solution with 70A Power Stage.
Ultra Durable PCIe 4. 0 Ready x16 Slot.
USB 3. 2 Gen2 Type-C & HDMI Support.

Add Product to List

Amazon

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

View on Amazon

As an Amazon Associate, PC Builder earns from qualifying purchases. Prices and availability are as of the date shown and may change. Affiliate Disclosure