GIGABYTE B550M K Motherboard – AMD Ryzen 5000 CPUs, up to 4733MHz DDR4, 1xPCIe 4.0 + 1xPCIe 3.0 M.2, 1GbE LAN, USB 3.2 Gen 1
- Supports AMD Ryzen 5000 Series/ Ryzen 5000 G-Series/ Ryzen 4000 G-Series and Ryzen 3000 and Ryzen 3000 G-Series Processors
- Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
- Ultra Durable PCIe 4.0 Ready x16 Slot
- Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors
- High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality
- GbE LAN with Bandwidth Management
- Rear DisplayPort and HDMI for Multi-display Support
- Smart Fan 5 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP
- Anti-Sulfur Resistors Design
Elevate your computing experience with GIGABYTE’s renowned motherboard series: AORUS, AERO, and GIGABYTE. Featuring innovative designs and advanced features, these boards offer exceptional performance and reliability. Whether you’re a gamer, content creator, or professional, our series cater to your needs, ensuring uncompromising quality and cutting-edge
| Processor |
| Supported processor sockets |
Socket AM4 |
| Compatible processor series |
AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series |
| Processor socket |
Socket AM4 |
| Processor manufacturer |
AMD |
| Memory |
| Maximum internal memory per slot |
32 GB |
| Unbuffered memory |
Yes |
| Maximum internal memory |
128 GB |
| Supported memory clock speed (max) |
4733 MHz |
| Supported memory clock speeds |
4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz |
| ECC сompatibility |
ECC & Non-ECC |
| Memory channels |
Dodeca-channel |
| Memory slots type |
DIMM |
| Number of memory slots |
4 |
| Supported memory types |
DDR4-SDRAM |
| Storage controllers |
| RAID levels |
0, 1, 10 |
| RAID support |
Yes |
| Number of storage drives supported |
6 |
| Number of HDDs supported |
2 |
| Supported storage drive interfaces |
M.2, SATA |
| Supported storage drive types |
HDD & SSD |
| Graphics |
| DirectX version |
12.0 |
| HDCP |
Yes |
| Maximum resolution |
5120 x 2880 pixels |
| Parallel processing technology support |
Not supported |
| Internal I/O |
| TPM connector |
Yes |
| 12V power connector |
Yes |
| Number of EPS power connectors (8-pin) |
1 |
| EPS power connector (8-pin) |
Yes |
| Number of chassis fan connectors |
1 |
| Number of CPU fan connectors |
1 |
| CPU fan connector |
Yes |
| ATX Power connector (24-pin) |
Yes |
| Front panel connector |
Yes |
| Front panel audio connector |
Yes |
| Number of SATA III connectors |
4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors |
1 |
| USB 2.0 connectors |
1 |
| Rear panel I/O ports |
| Microphone in |
Yes |
| Headphone outputs |
1 |
| Line-in |
Yes |
| DisplayPort version |
1.4 |
| DisplayPorts quantity |
1 |
| HDMI version |
2.1 |
| HDMI ports quantity |
1 |
| PS/2 ports quantity |
1 |
| Ethernet LAN (RJ-45) ports |
1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
4 |
| USB 2.0 ports quantity |
4 |
| Network |
| Wi-Fi |
No |
| LAN controller |
Realtek RTL8111H |
| Ethernet interface type |
Gigabit Ethernet |
| Ethernet LAN |
Yes |
| Features |
| Windows operating systems supported |
Windows 10 x64, Windows 11 x64 |
| Cooling type |
Passive |
| Power source type |
ATX |
| PC health monitoring |
Fan, Temperature, Voltage |
| Product colour |
Brown |
| Audio output channels |
7.1 channels |
| Audio chip |
Realtek ALC897 |
| Motherboard chipset |
AMD B550 |
| Motherboard chipset family |
AMD |
| Motherboard form factor |
micro ATX |
| Component for |
PC |
| Expansion slots |
| 2nd M.2 highest PCI Express generation |
3.0 |
| 2nd M.2 largest key size |
2280 |
| 1st M.2 highest PCI Express generation |
4.0 |
| 1st M.2 largest key size |
2280 |
| Number of M.2 (M) slots |
2 |
| PCI Express x16 (Gen 4.x) slots |
1 |
| PCI Express x1 (Gen 3.x) slots |
1 |
| BIOS |
| System Management BIOS (SMBIOS) version |
2.7 |
| Desktop Management Interface (DMI) version |
2.7 |
| Clear CMOS jumper |
Yes |
| ACPI version |
5.0 |
| BIOS memory size |
128 Mbit |
| BIOS type |
UEFI AMI |
| Battery |
| Battery type |
CR2032 |
| Battery technology |
Lithium-Manganese Dioxide (LiMnO2) |
| Number of battery cells |
1 |
| Battery weight |
3 g |
| Lithium weight per battery |
0.07 g |
| Packaging data |
| Package weight |
837 g |
| Package height |
54 mm |
| Package depth |
265 mm |
| Package width |
265 mm |
| Logistics data |
| Country of origin |
China |
| Products per shipping (inner) case |
1 pc(s) |
| Weight & dimensions |
| Height |
35 mm |
| Depth |
244 mm |
| Width |
244 mm |
| Packaging content |
| Bundled software |
Norton® Internet Security (OEM version)LAN bandwidth management software |
| Screws included |
Yes |
| Batteries included |
Yes |
| Technical details |
| Warranty period |
3 year(s) |
