AMD Socket AM4, support for: 3rd Generation AMD Ryzen™ processors/ 3rd Gen AMD Ryzen™ with Radeon™ Graphics processors

(Please refer “CPU Support List” for more information.)

AMD B550

4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
3rd Gen AMD Ryzen™ Processors: Support for DDR4 5200(O.C.) / 5000(O.C.) / 4866(O.C.) / 4600(O.C.) / 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules
3rd Gen AMD Ryzen™ with Radeon™ Graphics processors: Support for DDR4 5400(O.C.) / 5200(O.C.) / 5000(O.C.) / 4866(O.C.) / 4600(O.C.) / 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules
Dual channel memory architecture
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules

(Please refer “Memory Support List” for more information.)

Integrated in the 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors + Intel^® Thunderbolt™ 3 Controller:

2 x Intel^® Thunderbolt™ 3 connectors (USB Type-C™ ports), supporting DisplayPort and Thunderbolt™ video outputs and a maximum resolution of 5120×2880@60 Hz with 24 bpp
* Because of the limited I/O resources of the PC architecture, the number of Thunderbolt™ devices that can be used is dependent on the number of the PCI Express devices being installed. (Refer to Chapter 1-6, “Back Panel Connectors,” for more information.)
* Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.

Integrated in the 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors:

1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz
* Support for HDMI 2.1 version, HDCP 2.3, and HDR.

Maximum shared memory of 16 GB

Realtek^® ALC1220-VB codec
* The back panel line out jack supports DSD audio.
Support for DTS:X^® Ultra
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF Out

2 x Intel^® GbE LAN chips (1000 Mbit/100 Mbit)

Intel^® Wi-Fi 6 AX200

WIFI a, b, g, n, ac with wave 2 features, ax, supporting 2.4/5 GHz Dual-Band
BLUETOOTH 5
Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate
* Actual data rate may vary depending on environment and equipment.

1‎ x PCI Express x16 slot (PCIEX16), integrated in the CPU:

3rd Generation AMD Ryzen™ processors support PCIe 4.0 x16 mode
3rd Generation AMD Ryzen™ with Radeon™ Graphics 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 (PCIEX8), integrated in the CPU:

3rd Generation AMD Ryzen™ processors support PCIe 4.0 x8 mode
3rd Generation AMD Ryzen™ with Radeon™ Graphics processors support PCIe 3.0 x8 mode
* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot operates at up to x8 mode.

1 x PCI Express x16 slot (PCIEX4), integrated in the Chipset:

Supporting PCIe 3.0 x4 mode
* The PCIEX4 slot shares bandwidth with the M2B_SB connector. The PCIEX4 slot becomes unavailable when a device is installed in the M2B_SB connector.

1‎ x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs:

3rd Generation AMD Ryzen™ processors support SATA and PCIe 4.0 x4/x2 SSDs
3rd Generation AMD Ryzen™ with Radeon™ Graphics 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 2242/2260/2280/22110 SSDs:

Supporting SATA and PCIe 3.0 x4/x2 SSDs

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

Support for RAID 0, RAID 1, and RAID 10

Integrated in the CPU:

4 x USB 3.2 Gen 1 ports on the back panel

Chipset+Intel^® Thunderbolt™ 3 Controller:

2 x USB Type-C™ ports on the back panel, with USB 3.2 Gen 2 support

Chipset:

2 x USB 3.2 Gen 2 Type-A ports (red) on the back panel
2 x USB 3.2 Gen 1 ports available through the internal USB header
1 x USB 2.0/1.1 port on the back panel

Chipset+2 USB 2.0 Hubs:

5 x USB 2.0/1.1 ports (1 port 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
1 x water cooling CPU fan header
4 x system fan headers
2 x system fan/water cooling pump 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 SATA DOM power connector
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 (2×6 pin, for the GC-TPM2.0_S module only)
1 x serial port header
1 x Clear CMOS jumper
2 x temperature sensor headers
1 x Q-Flash Plus button

1 x PS/2 keyboard/mouse port
1 x DisplayPort In port
1 x HDMI port
2 x SMA antenna connectors (2T2R)
2 x USB 3.2 Gen 2 Type-A ports (red)
2 x Thunderbolt™ 3 connectors (USB Type-C™ port, with USB 3.2 Gen 2 support)
4 x USB 3.2 Gen 1 ports
2 x USB 2.0/1.1 ports
2 x RJ-45 ports
1 x optical S/PDIF Out connector
5 x audio jacks

iTE^® I/O Controller Chip

Voltage detection
Temperature detection
Fan speed detection
Water cooling flow rate detection
Overheating warning
Fan fail warning
Fan speed control
* Whether the fan (pump) speed control function is supported will depend on the fan (pump) you install.

1 x 256 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 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
Fast Boot
Game Boost
ON/OFF Charge
RGB Fusion
Smart Backup
System Information Viewer
Support for Q-Flash Plus
Support for Q-Flash
Support for Xpress Install

Norton^® Internet Security (OEM version)
cFosSpeed

Support for Windows 10 64-bit

ATX Form Factor; 30.5cm x 24.4cm

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.