B550M H ARGB

AMD Socket AM4, support for:
AMD Ryzen™ 5000 G-Series Processors/
AMD Ryzen™ 5000 Series Processors/
AMD Ryzen™ 4000 G-Series Processors/
AMD Ryzen™ 3000 G-Series Processors/
AMD Ryzen™ 3000 Series Processors
(Go to GIGABYTE's website for the latest CPU support list.)

AMD B550

2 x DDR4 DIMM sockets supporting up to 64 GB (32 GB single DIMM capacity) of system memory
Dual channel memory architecture
Support for DDR4 5100(O.C.) / 4800(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
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules
(The CPU and memory configuration may affect the supported memory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)

Integrated Graphics Processor with AMD Radeon™ Graphics support:
- 1 x DisplayPort, supporting a maximum resolution of 5120x2880@60 Hz

* Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.

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

* Support for HDMI 2.1 version, HDCP 2.3, and HDR.
** Support for native HDMI 2.1 TMDS compatible ports.

(Graphics specifications may vary depending on CPU support.)
Maximum shared memory of 16 GB

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.

Realtek® GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)

1 x PCI Express x16 slot, integrated in the CPU:
 AMD Ryzen™ 5000/3000 Series Processors support PCIe 4.0 x16 mode
 AMD Ryzen™ 5000 G/4000 G/3000 G Series Processors support PCIe 3.0 x16 mode
Chipset:
- 1 x PCI Express x1 slot, supporting PCIe 3.0 and running at x1

1 x M.2 connector, integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs:
- AMD Ryzen™ 5000/3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs
- AMD Ryzen™ 5000 G/4000 G/3000 G Series Processors support SATA and PCIe 3.0 x4/x2 SSDs
4 x SATA 6Gb/s connectors
RAID 0, RAID 1, and RAID 10 support for NVMe SSD storage devices
RAID 0, RAID 1, and RAID 10 support for SATA storage devices

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 (2 ports on the back panel, 4 ports available through the internal USB headers)

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
3 x addressable RGB Gen2 LED strip headers
1 x RGB LED strip header
1 x M.2 Socket 3 connector
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
2 x USB 2.0/1.1 headers
1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
1 x Clear CMOS jumper

2 x USB 2.0/1.1 ports
1 x PS/2 keyboard/mouse port
1 x DisplayPort*
1 x HDMI port*
1 x Q-Flash Plus button
4 x USB 3.2 Gen 1 ports
1 x RJ-45 port
3 x audio jacks

* Actual support may vary by CPU.

iTE® I/O Controller Chip

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 fan you install.

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

Support for GIGABYTE Control Center (GCC)

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

Support for Q-Flash
Support for Q-Flash Plus
Support for Smart Backup

Norton® Internet Security (OEM version)

Support for Windows 11 64-bit
Support for Windows 10 64-bit

Micro ATX Form Factor; 23.3cm x 19.8cm