Gigabyte B550M K 1.0 mATX Motherboard | AM4 | 4x DDR4 Slots
KEY FEATURES
- 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
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Frequently Asked Questions
What processors are compatible with the Gigabyte B550M K?
How many memory slots does this motherboard have?
Does the motherboard support overclocking?
Gigabyte B550M K 1.0 mATX Motherboard | AM4 | 4x DDR4 Slots
Description
The Gigabyte B550M K delivers solid AMD Ryzen support in a compact micro ATX form factor. Built around the AMD B550 chipset, this budget-friendly motherboard handles AMD Ryzen 3000, 4000, and 5000 series processors through its AM4 socket. The brown PCB design keeps costs down while maintaining essential connectivity for mainstream builds.
Memory support extends to 128GB across four DDR4 slots, with speeds reaching up to DDR4-4733 for enhanced performance. The board provides a single PCIe 4.0 x16 slot for graphics cards and includes two M.2 slots - one PCIe 4.0 and one PCIe 3.0, both supporting 2280 drives for fast SSD storage. A single PCIe 3.0 x1 slot adds room for expansion cards.
Practical features include Gigabyte's Smart Fan 5 technology with FAN STOP capability for quieter operation, plus ECC memory compatibility for users requiring error correction. The package includes mounting screws and a CR2032 battery for BIOS settings. Digital VRM design helps maintain stable power delivery, while the three-year warranty provides confidence for budget-conscious builders seeking reliable AMD platform support.
Feature
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Eligible for Next day Delivery
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Shipping Information
- Next Business Day: £6.99
- 2 days Delivery: £4.99
- 3- 5 Days Shipping: £3.99
- Orders Over £99.00: Free Standard Delivery
| Processor | |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series |
| Supported processor sockets | Socket AM4 |
| Memory | |
|---|---|
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dodeca-channel |
| ECC сompatibility | ECC & Non-ECC |
| Supported memory clock speeds | 4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz |
| Supported memory clock speed (max) | 4733 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Maximum internal memory per slot | 32 GB |
| Storage controllers | |
|---|---|
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA |
| Number of storage drives supported | 6 |
| Number of HDDs supported | 2 |
| RAID support | Yes |
| RAID levels | 0, 1, 10 |
| Graphics | |
|---|---|
| Parallel processing technology support | Not supported |
| Maximum resolution | 5120 x 2880 pixels |
| HDCP | Yes |
| DirectX version | 12.0 |
| Internal I/O | |
|---|---|
| USB 2.0 connectors | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 4 |
| Front panel audio connector | Yes |
| Front panel connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 1 |
| Number of chassis fan connectors | 1 |
| EPS power connector (8-pin) | Yes |
| Number of EPS power connectors (8-pin) | 1 |
| 12V power connector | Yes |
| TPM connector | Yes |
| Rear panel I/O ports | |
|---|---|
| USB 2.0 ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Line-in | Yes |
| Headphone outputs | 1 |
| Microphone in | Yes |
| Network | |
|---|---|
| Ethernet LAN | Yes |
| Ethernet interface type | Gigabit Ethernet |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | No |
| Features | |
|---|---|
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Audio chip | Realtek ALC897 |
| Audio output channels | 7.1 channels |
| Product colour | Brown |
| PC health monitoring | Fan, Temperature, Voltage |
| Power source type | ATX |
| Cooling type | Passive |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Expansion slots | |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 3.0 |
| BIOS | |
|---|---|
| BIOS type | UEFI AMI |
| BIOS memory size | 128 Mbit |
| ACPI version | 5.0 |
| Clear CMOS jumper | Yes |
| System Management BIOS (SMBIOS) version | 2.7 |
| Desktop Management Interface (DMI) version | 2.7 |
| Battery | |
|---|---|
| Lithium weight per battery | 0.07 g |
| Battery weight | 3 g |
| Number of battery cells | 1 |
| Battery technology | Lithium-Manganese Dioxide (LiMnO2) |
| Battery type | CR2032 |
| Logistics data | |
|---|---|
| Products per shipping (inner) case | 1 pc(s) |
| Country of origin | China |
| Packaging data | |
|---|---|
| Package width | 265 mm |
| Package depth | 265 mm |
| Package height | 54 mm |
| Package weight | 837 g |
| Weight & dimensions | |
|---|---|
| Width | 244 mm |
| Depth | 244 mm |
| Height | 35 mm |
| Packaging content | |
|---|---|
| Batteries included | Yes |
| Screws included | Yes |
| Bundled software | Norton® Internet Security (OEM version)LAN bandwidth management software |
| Technical details | |
|---|---|
| Warranty period | 3 year(s) |
Frequently Asked Questions
What processors are compatible with the Gigabyte B550M K?
How many memory slots does this motherboard have?
Does the motherboard support overclocking?
What type of audio features does this motherboard offer?
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