Chipset

AMD B550

Memory

4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory

Support 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 modules

Dual channel memory architecture

Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules*

* ECC memory (ECC mode) support varies by CPU

Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules

Support for Extreme Memory Profile (XMP) memory modules

Onboard Graphics

Integrated in the AMD Ryzen™ 5000 G-Series/4000 G-Series Processors:

1 x DVI-D port, supporting a maximum resolution of 1920x1200@60 Hz

* The DVI-D port does not support D-Sub connection by adapter.

1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz

* Support for HDMI 2.1 version, HDCP 2.3, and HDR.

Maximum shared memory of 16 GB

Audio

Realtek® Audio CODEC

High Definition Audio

2/4/5.1/7.1-channel

* You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.

LAN

Realtek® GbE LAN chip (1 Gbps/100 Mbps)

Wireless Communication module

Realtek® Wi-Fi 6E RTL8852CE

WIFI a, b, g, n, ac, ax, supporting 2.4/5/6 GHz carrier frequency bands

BLUETOOTH 5.3

Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate

(Actual data rate may vary depending on environment and equipment.)

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 mode

AMD 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 mode

1 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 SSDs

AMD Ryzen™ Ryzen™ 5000 G-Series and Ryzen™ 4000 G-Series Processors   support SATA and PCIe 3.0 x4/x2 SSDs

1 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 x2 SSDs

4 x SATA 6Gb/s connectors, integrated in the Chipset:

Support for RAID 0, RAID 1, and RAID 10

USB

CPU:

4 x USB 3.2 Gen 1 ports on the back panel

Chipset:

2 x USB 3.2 Gen 1 ports available through the internal USB header

6 x USB 2.0/1.1 ports (4 ports on the back panel, 2 ports available through the internal USB header)

Internal I/O Connectors

1 x 24-pin ATX main power connector

1 x 8-pin ATX 12V power connector

1 x CPU fan header

2 x system fan headers

2 x addressable LED strip headers

2 x RGB LED strip headers

1 x CPU cooler LED strip/RGB LED strip header

2 x M.2 Socket 3 connectors

4 x SATA 6Gb/s connectors

1 x front panel header

1 x front panel audio header

1 x USB 3.2 Gen 1 header

1 x USB 2.0/1.1 header

1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)

1 x serial port header

1 x Clear CMOS jumper

1 x Q-Flash Plus button

*All fan headers are subject to support AIO_Pump, Pump and high performance fan with the capability of delivering up to 2A/12V @ 24W.

Back Panel Connectors

1 x PS/2 keyboard/mouse port

1 x DVI-D port

1 x HDMI port

2 x SMA antenna connectors (2T2R)

4 x USB 3.2 Gen 1 ports

4 x USB 2.0/1.1 ports

1 x RJ-45 port

3 x audio jacks

I/O Controller

iTE® I/O Controller Chip

H/W Monitoring

Voltage detection

Temperature detection

Fan speed detection

Overheating warning

Fan fail warning

Fan speed control

*Whether the fan speed control function is supported will depend on the cooler you install.

BIOS

1 x 128 Mbit flash

Use of licensed AMI UEFI BIOS

PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Unique Features

Support for APP Center

* Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.

@BIOS

EasyTune

RGB Fusion

Smart Backup

System Information Viewer

Support for Q-Flash Plus

Support for Q-Flash

Support for Xpress Install

Bundled Software

Norton® Internet Security (OEM version)

LAN bandwidth management software

Operating System

Support for Windows 11 64-bit

Support for Windows 10 64-bit

Form Factor

Micro ATX Form Factor; 24.4cm x 24.4cm

Remark

• Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.

• Most hardware/software vendors may no longer offer drivers to support   Win9X/ME/2000/XP. If drivers are available from the vendors, we will update them on the GIGABYTE website.