AMD B550 Gaming Motherboard with 10+3 Phases Digital Twin Power Design, Enlarged Surface Heatsinks, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 x4 M.2, GIGABYTE Gaming LAN with Bandwidth Management, Front USB Type-C™, RGB FUSION 2.0, Q-Flash Plus

Supports AMD Ryzen™ 5000 Series/ 3rd Gen Ryzen™ and 3rd Gen Ryzen™ with Radeon™ Graphics Processors
Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
10+3 Phases Digital Twin Power Design with Low RDS(on) MOSFETs
Ultra Durable™ PCIe 4.0 Ready x16 Slot
Dual Ultra-Fast NVMe PCIe 4.0/3.0 x4 M.2 Connectors
GIGABYTE Exclusive 8118 Gaming LAN with Bandwidth Management
Front USB 3.2 Gen1 Type-C™ and HDMI & DVI-D for Multiple Display
High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality
RGB FUSION 2.0 support Addressable LED & RGB LED Strips
Smart Fan 5 Features Multiple Temperature Sensors , Hybrid Fan Headers with FAN STOP
Q-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics Card
Anti-Sulfur Resistors Design

CPU
AMD Socket AM4, support for: AMD Ryzen™ 5000 Series/ 3rd Gen Ryzen™ and 3rd Gen Ryzen™ with Radeon™ Graphics Processors
(Please refer "CPU Support List" for more information.)
Chipset
AMD B550
Memory
4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
AMD Ryzen™ 5000 series processors:
Support for DDR4 4266(O.C.) / 4000(O.C.) / 3866(O.C.) / 3800(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MHz memory modules
3rd Gen AMD Ryzen™ Processors:
Support for DDR4 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 4733(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.)
Onboard Graphics
Integrated in the 3rd Generation AMD Ryzen™ with Radeon™ Graphics 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® ALC887 codec
High Definition Audio
2/4/5.1/7.1-channel
* To configure 7.1-channel audio, you need to open the audio software and select Device advanced settings > Playback Device to change the default setting first. Please visit GIGABYTE's website for details on configuring the audio software.
LAN
Realtek® GbE LAN chip (1000 Mbit/100 Mbit)
Expansion Slots
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 (PCIEX2), integrated in the Chipset:
Supporting PCIe 3.0 x2 mode
3 x PCI Express x1 slots (PCIEX1_1, PCIEX1_2, PCIEX1_3), 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:
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
USB
Chipset:
1 x USB 3.2 Gen 2 Type-A port (red) on the back panel
3 x USB 3.2 Gen 1 ports on the back panel
Chipset:
1 x USB Type-C™ port with USB 3.2 Gen 1 support, available through the internal USB header
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)
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
1 x water cooling CPU fan header
3 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 Type-C™ port, with USB 3.2 Gen 1 support
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
Back Panel Connectors
2 x USB 2.0/1.1 ports
1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x HDMI port
3 x USB 3.2 Gen 1 ports
1 x USB 3.2 Gen 2 Type-A port (red)
1 x Q-Flash Plus button
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
Water cooling flow rate 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 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
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
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
Bundled Software
Norton® Internet Security (OEM version)
Realtek® 8118 Gaming LAN Bandwidth Control Utility
Operating System
Support for Windows 10 64-bit
Form Factor
ATX Form Factor; 30.5cm x 24.4cm