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Motherboards

B550M AORUS PRO

Model B550M AORUS PRO

AMD B550 Micro ATX motherboard for Socket AM4 processors, with 4 DDR4 slots (up to 128 GB) and 1 GbE LAN.

Socket
AM4
Chipset
AMD B550
Form factor
Micro ATX
Memory
4 x DDR4, up to 128 GB
LAN
1 GbE
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Overview Specifications Media Platform and pairing Support
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Overview

Highlights

  • Supports AMD Ryzen 5000 Series/ Ryzen 5000 G-Series/ Ryzen 4000 G-Series/ Ryzen 3000 and Ryzen 3000 G-Series Processors
  • Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
  • Digital 10+3 VRM Solution
  • Thermal design with Enlarged VRM Heatsinks
  • Ultra Durable PCIe 4.0 Ready x16 Slot
  • Dual NVMe PCIe 4.0/3.0 x4 M.2 with Thermal Guard

Platform

Socket
AM4
Chipset
AMD B550
Form factor
Micro ATX 24.4 x 24.4 cm
Memory
DDR4
  • 4 DIMM slots
  • Up to 128 GB
  • Up to 4733 MHz (OC)
Dual channel
Processor support
  • AMD Ryzen 5000 series
  • Ryzen 5000 G-series
  • Ryzen 4000 G-series, Ryzen 3000 series and Ryzen 3000 G-series processors
Expansion slots
  • 1 x PCIe x16 slot, up to PCIe 4.0 at x16
  • 1 x PCIe x16 slot, PCIe 3.0 at x4
  • 1 x PCIe x1 slot, PCIe 3.0 at x1
Storage
2 x M.2
  • 4 x SATA 6Gb/s
Fastest M.2 slot: PCIe 4.0 x4
LAN
  • Realtek GbE LAN (1000 Mbit/100 Mbit)
Wireless
Not included
Display outputs
1 x HDMI, 1 x DisplayPort For processors with integrated graphics
Power inputs
  • 24-pin ATX
  • 1 x 8-pin ATX 12V

At a glance

Platform
AMD
Socket
AM4
Chipset
B550
Form factor
Micro ATX
Memory
DDR4
Series
AORUS
Full specifications

Specifications

Platform

CPU
AMD Socket AM4, support for: AMD Ryzen 5000 Series/ Ryzen 5000 G-Series/ Ryzen 4000 G-Series, Ryzen 3000 Series and Ryzen 3000 G-Series Processors
Chipset
AMD B550
Memory
4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memorySupport for DDR4 4733(O.C.) / 4600(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MHz memory modulesDual channel memory architectureSupport for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules** ECC memory (ECC mode) support varies by CPUSupport for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modulesSupport for Extreme Memory Profile (XMP) memory modules

Graphics and audio

Onboard graphics
Integrated Graphics Processor:1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz* Support for HDMI 2.1 version, HDCP 2.3, and HDR.1 x DisplayPort, supporting a maximum resolution of 5120x2880@60 Hz* Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.Maximum shared memory of 16 GB
Audio
Realtek ALC1200 codecHigh Definition Audio2/4/5.1/7.1-channelSupport for S/PDIF Out

Networking

LAN
Realtek GbE LAN chip (1000 Mbit/100 Mbit)

Expansion and storage

Expansion slots
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:AMD Ryzen 5000 Series* and Ryzen 3000 Series Processors support PCIe 4.0 x16 modeAMD Ryzen Ryzen 5000 G-Series and Ryzen 4000 G-Series Processors support PCIe 3.0 x16 mode* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.1 x PCI Express x16 slot (PCIEX4), integrated in the Chipset:Supporting PCIe 3.0 x4 mode1 x PCI Express x1 slot (PCIEX1), integrated in the Chipset:Supporting PCIe 3.0 x1 mode
Storage interface
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs:AMD Ryzen 5000 Series and Ryzen 3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDsAMD Ryzen Ryzen 5000 G-Series and Ryzen 4000 G-Series Processors support SATA and PCIe 3.0 x4/x2 SSDs1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 2242/2260/2280 SSDs:Supporting SATA and PCIe 3.0 x4/x2 SSDs4 x SATA 6Gb/s connectors, integrated in the Chipset:Support for RAID 0, RAID 1, and RAID 10

Ports and connectors

USB
CPU:4 x USB 3.2 Gen 1 ports on the back panelChipset:1 x USB Type-C port on the back panel, with USB 3.2 Gen 2 support1 x USB 3.2 Gen 2 Type-A port (red) on the back panel2 x USB 3.2 Gen 1 ports available through the internal USB header4 x USB 2.0/1.1 ports available through the internal USB headersChipset+1 USB 2.0 Hub:4 x USB 2.0/1.1 ports on the back panel
Internal I/O connectors
1 x 24-pin ATX main power connector1 x 8-pin ATX 12V power connector1 x CPU fan header1 x water cooling CPU fan header3 x system fan headers2 x addressable LED strip headers2 x RGB LED strip headers1 x CPU cooler LED strip/RGB LED strip header2 x M.2 Socket 3 connectors4 x SATA 6Gb/s connectors1 x front panel header1 x front panel audio header1 x USB 3.2 Gen 1 header2 x USB 2.0/1.1 headers1 x serial port header1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)1 x Thunderbolt add-in card connector1 x Clear CMOS jumper
Back panel connectors
4 x USB 2.0/1.1 ports1 x DisplayPort1 x HDMI port4 x USB 3.2 Gen 1 ports1 x USB 3.2 Gen 2 Type-A port (red)1 x USB Type-C port, with USB 3.2 Gen 2 support1 x Q-Flash Plus button1 x RJ-45 port1 x optical S/PDIF Out connector5 x audio jacks
I/O controller
iTE I/O Controller Chip

Firmware and software

H/W monitoring
Voltage detectionTemperature detectionFan speed detectionWater cooling flow rate detectionOverheating warningFan fail warningFan speed control* Whether the fan speed control function is supported will depend on the cooler you install.
BIOS
1 x 256 Mbit flashUse of licensed AMI UEFI BIOSPnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Unique features
Support for APP Center@BIOSEasyTuneFast BootGame BoostON/OFF ChargeRGB FusionSmart BackupSystem Information ViewerSupport for Q-Flash PlusSupport for Q-FlashSupport for Xpress Install
Bundle software
Norton Internet Security (OEM version)Realtek 8118 Gaming LAN Bandwidth Control Utility
Operating system
Support for Windows 11 64-bitSupport for Windows 10 64-bit

Board

Form factor
Micro ATX Form Factor; 24.4cm x 24.4cm

Specifications are taken from the manufacturer's published information and may change. Confirm critical values with our sales desk before ordering.

GIGABYTE product page

Media

Photos 3

Downloads

Official information

GIGABYTE product page for B550M AORUS PRO gigabyte.com

Platform and pairing

Processor and memory

Supplied by brand rather than listed by model. Name the part you need in your enquiry.

Graphics cards

A spread of current cards, from top tier to entry level. Each card page lists its length and recommended power supply.

All 68 graphics cards

Power supplies

Ratings from 400 W to 3000 W. This board's power inputs: 24-pin ATX and 1 x 8-pin ATX 12V. Size the supply to the recommended PSU of the graphics card you fit.

All 229 power supplies

CPU coolers for AM4

Coolers whose specifications list socket AM4.

All 26 CPU coolers

Cabinets for Micro ATX boards

Cabinets whose specifications list Micro ATX motherboard support.

All 77 cabinets

Parts to plan with this motherboard

Check sockets, memory type, power connectors and dimensions against the specifications before ordering, or ask our sales desk to confirm a build.

Support

Warranty and repairs

Warranty is as per GIGABYTE’s terms for this model. For products bought from us, call our service team with the invoice number, the model and the product’s serial number.

From GIGABYTE

Practical notes

  1. Update the BIOS only from the official support page, following the brand’s instructions.
  2. Check the CPU support list for the BIOS version before buying a processor.
  3. Install chipset, LAN and audio drivers from the official support page.

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