AMD B550 ATX Motherboard – Socket AM4, DDR4, Wi-Fi 6, Dual M.2
Key Features
-
AMD Socket AM4
Supports: - 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
-
Digital Twin 10+3+1 Phases VRM Solution
-
Dual Channel DDR4
- 4 x DIMM slots
-
AMD EXPO memory module support
-
EZ-Latch PCIe Slots
-
PCIe slots with quick release design
-
User-Friendly UI
- Multi-Theme BIOS
- AIO fan control
-
Q-Flash auto scan in BIOS and software
-
Ultra-Fast Storage
-
2 x M.2 slots, including PCIe 4.0 x1
-
Efficient Thermal Design
-
VRM Thermal Armor Advanced
-
Fast Networking
- GbE LAN
-
Wi-Fi 6
-
Extended Connectivity
- HDMI
-
DisplayPort
-
PCIe UD Slot
- PCIe 4.0 x16 slot with 10x strength for graphics card
- Enhanced heat dissipation effect
Specifications
CPU
| Item | Details |
|---|---|
| Socket | AMD Socket AM4 |
| Supported CPUs | AMD Ryzen 5000 G-Series / 5000 Series / 4000 G-Series / 3000 G-Series / 3000 Series Processors |
| Note | For the latest CPU support list, refer to GIGABYTE’s website. |
Chipset
| Item | Details |
|---|---|
| Chipset | AMD B550 |
Memory
| Item | Details |
|---|---|
| Slots | 4 x DDR4 DIMM sockets |
| Maximum Capacity | Up to 128 GB (32 GB per DIMM) |
| Supported Speeds | DDR4 3200 / 2933 / 2667 / 2400 / 2133 MT/s |
| Architecture | Dual channel memory architecture |
| ECC Support | ECC Un-buffered DIMM 1Rx8 / 2Rx8 |
| Non-ECC Support | Non-ECC Un-buffered DIMM 1Rx8 / 2Rx8 / 1Rx16 |
| Profile Support | Extreme Memory Profile (XMP) |
| Note | CPU and memory configuration may affect supported types, speed, and number of modules. See “Memory Support List” on GIGABYTE’s website. |
Onboard Graphics
| Item | Details |
|---|---|
| Integrated Graphics | AMD Radeon Graphics support (with supported CPUs) |
| HDMI | 1 x HDMI port, max resolution 4096x2160@60 Hz |
| HDMI Features | HDMI 2.1, HDCP 2.3, HDR, native HDMI 2.1 TMDS compatible |
| Max Shared Memory | 16 GB |
| Note | Graphics specifications may vary depending on CPU support. |
Audio
| Item | Details |
|---|---|
| Codec | Realtek Audio CODEC |
| Audio | High Definition Audio |
| Channels | 2/4/5.1/7.1-channel |
| Configuration | Audio jack functionality configurable via audio software; 7.1-channel settings available in software. |
LAN
| Item | Details |
|---|---|
| Controller | Realtek GbE LAN chip |
| Speeds | 1 Gbps / 100 Mbps / 10 Mbps |
Wireless Communication
| Item | Details |
|---|---|
| Module | Realtek Wi-Fi 6 RTL8851BE |
| Wi-Fi Standards | a, b, g, n, ac, ax |
| Bands | 2.4 GHz / 5 GHz |
| Bluetooth | Bluetooth 5.3 |
| Wireless Standard | 11ax 80 MHz |
| Note | Actual data rate may vary depending on environment and equipment. |
Expansion Slots
| Item | Details |
|---|---|
| PCIEX16 (CPU) | 1 x PCI Express x16 slot |
| PCIEX16 Modes | Ryzen 5000/3000 Series: PCIe 4.0 x16; Ryzen 5000 G/4000 G/3000 G Series: PCIe 3.0 x16 |
| PCIEX16 Usage | Supports either a graphics card or an NVMe SSD. If only one graphics card is installed, use PCIEX16 slot. |
| PCIe x1 (Chipset) | 4 x PCI Express x1 slots (PCIEX1_1, PCIEX1_2, PCIEX1_3, PCIEX1_4), PCIe 3.0 x1 |
Storage Interface
| Item | Details |
|---|---|
| M.2 (M2A_CPU) | 1 x M.2 Socket 3 (M key), type 22110/2280, integrated in CPU |
| M2A_CPU Support – Ryzen 5000/3000 Series | SATA and PCIe 4.0 x4/x2 SSDs |
| M2A_CPU Support – Ryzen 5000 G/4000 G/3000 G | SATA and PCIe 3.0 x4/x2 SSDs |
| M.2 (M2B_SB) | 1 x M.2 Socket 3 (M key), type 22110/2280, PCIe 3.0 x4/x2, integrated in Chipset |
| SATA | 4 x SATA 6Gb/s connectors |
| RAID (NVMe) | RAID 0, RAID 1, RAID 10 support |
| RAID (SATA) | RAID 0, RAID 1, RAID 10 support |
USB
CPU-Dependent (Back Panel):
| Item | Details |
|---|---|
| Ryzen 5000/3000 Series | 1 x USB 3.2 Gen 2 Type-A port (red) |
| Ryzen 5000 G/4000 G/3000 G Series | 1 x USB 3.2 Gen 1 port (red) |
| Back Panel Type-C | 1 x USB Type-C port with USB 3.2 Gen 1 support |
| Back Panel USB 3.2 Gen 1 | 2 x USB 3.2 Gen 1 ports |
Chipset / Internal:
| Item | Details |
|---|---|
| Internal Type-C | 1 x USB Type-C port with USB 3.2 Gen 1 support (via internal header) |
| Internal USB 3.2 Gen 1 | 2 x ports (via internal header) |
| Internal USB 2.0/1.1 | 4 x ports (via internal headers) |
Chipset + USB 2.0 Hub (Back Panel):
| Item | Details |
|---|---|
| Back Panel USB 2.0/1.1 | 4 x ports |
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 CPU fan / water cooling pump 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 header 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 GC-TPM2.0_S only)
- 1 x Clear CMOS jumper
Back Panel Connectors
- 4 x USB 2.0/1.1 ports
- 2 x antenna connectors (1T1R)
- 1 x HDMI port (Note: actual support may vary by CPU)
- 1 x USB 3.2 Gen 2 Type-A / USB 3.2 Gen 1 port (red, CPU dependent)
- 1 x USB Type-C port with USB 3.2 Gen 1 support
- 1 x Q-Flash Plus button
- 1 x RJ-45 LAN port
- 2 x USB 3.2 Gen 1 ports
- 3 x audio jacks
I/O Controller
| Item | Details |
|---|---|
| Controller | iTE I/O Controller chip |
H/W Monitoring
- Voltage detection
- Temperature detection
- Fan speed detection
- Water cooling flow rate detection
- Fan fail warning
- Fan speed control (support depends on installed fan)
BIOS
- 1 x 128 Mbit flash
- 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
- EasyTune
- RGB Fusion
- Smart Backup
- System Information Viewer
- (Available applications and functions may vary by motherboard model and specifications.)
- Support for Q-Flash Plus
- Support for Q-Flash
Bundled Software
- Norton Internet Security (OEM version)
- LAN bandwidth management software
Operating System Support
- Windows 11 64-bit
- Windows 10 64-bit
Form Factor
| Item | Details |
|---|---|
| Form Factor | ATX |
| Dimensions | 30.5 cm x 24.4 cm |
