Ryzen 3000 Series / Ryzen 3000G Series / Ryzen 4000G Series / Ryzen 5000 Series / Ryzen 5000G Series
Chipsets
Chipset
AMD B550
Memory
Number of Memory Slots
4x288pin (DDR4)
Memory Standard
DDR4 2133 / DDR4 2667 / DDR4 2933 / DDR4 3200
Maximum Memory Supported
128GB
Channel Supported
Dual Channel
ECC Supported
Yes
Buffer Supported
Un-buffered
Expansion Slots
PCI Express 4.0 x16
1 x PCI Express x16 slot (PCIEX16), 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 3.0x16 mode * The PCIEX16 slot can only support a graphics card or an NVMe SSD. If only one graphics card is to be installed, be sure to install it in the PCIEX16 slot.
PCI Express x4
1 x PCI Express x16 slot (PCIEX4), supporting PCIe 3.0 and running at x4
PCI Express x1
1 x PCI Express x1 slot (PCIEX1), supporting PCIe 3.0 and running at x1
Storage Devices
Serial ATA (SATA)
6 x SATA 6Gb/s
M.2
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs: - AMD Ryzen 5000/3000 Series Processors support SATA and PCIe 4.0x4/x2 SSDs - AMD Ryzen 5000 G/4000 G/3000 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 2280 SATA and PCIe 3.0 x2 SSDs
SATA RAID
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
Onboard Audio
Audio Channels
7.1 Channels
Onboard LAN
Max LAN Speed
1Gbps
Wireless LAN
Wi-Fi 802.11 ax
Bluetooth
BLUETOOTH 5.3
Rear Panel Ports
Back I/O Ports
2 x USB 2.0/1.1 ports 1 x PS/2 keyboard/mouse port 1 x HDMI port (Note) 1 x DisplayPort (Note) 4 x USB 3.2 Gen 1 ports 1 x RJ-45 port 2 x antenna connectors 3 x audio jacks
Internal I/O Connectors
Onboard USB
1 x USB Type-C header, with USB 3.2 Gen 1 support 1 x USB 3.2 Gen 1 header 1 x USB 2.0/1.1 header
Other Connectors
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 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
Physical Spec
Form Factor
Micro ATX
Dimensions (W x L)
9.6" x 9.6"
Power Pin
1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector
Software Feature
BIOS Feature
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
Windows 11
Supported
Features
Features
Support for APP Center - @BIOS - EasyTune - RGB Fusion - Smart Backup - System Information Viewer Support for Q-Flash Plus Support for Q-Flash
Additional Information
First Listed on Newegg
July 24, 2025
Customer Reviews of the GIGABYTE B550M GAMING X WIFI6