GIGABYTE B550M K Motherboard – AMD Ryzen 5000, DDR4-4733, PCIe 4.0/3.0 M.2, 1GbE, USB 3.2 Gen 1
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About This Item
- AMD B550 chipset for Ryzen 5000 CPUs
- Micro ATX form factor with passive cooling
- Up to 4733MHz DDR4 memory support
- 2x M.2 slots (PCIe 4.0 + PCIe 3.0)
- 7.1-channel audio with Realtek ALC897 codec
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GIGABYTE B550M K | Micro-ATX AMD Motherboard for Ryzen 5000 CPUs
The GIGABYTE B550M K motherboard delivers robust performance for AMD Ryzen 5000 series CPUs, supporting up to 4733MHz DDR4 memory and dual M.2 storage with PCIe 4.0 and 3.0 speeds. This micro-ATX board combines compact design with advanced connectivity including 1GbE LAN, USB 3.2 Gen 1 ports, and HDMI 2.1 output for modern computing needs.
Technical Specifications
| Metric | Spec |
|---|---|
| CPU Support | AMD Ryzen 3000/4000/5000 Series |
| Memory Support | DDR4 up to 4733MHz |
| PCIe Slots | 1x PCIe 4.0 x16, 1x PCIe 3.0 x1 |
| M.2 Slots | 2x (1x PCIe 4.0, 1x PCIe 3.0) |
| LAN | 1GbE Realtek RTL8111H |
Exceptional Performance for Ryzen 5000 CPUs
Engineered specifically for AMD Ryzen 5000 series processors, this motherboard provides optimal power delivery and thermal management. The B550 chipset ensures seamless compatibility with both current and previous-generation Ryzen CPUs, making it a future-proof investment for your PC build.
High-Speed Memory and Storage Capabilities
With support for up to 128GB of DDR4 memory across four DIMM slots and speeds reaching 4733MHz, this board handles demanding applications and multitasking effortlessly. The dual M.2 slots offer flexible storage options – one supporting PCIe 4.0 for ultra-fast NVMe SSDs and another with PCIe 3.0 compatibility, giving you the best of both worlds for storage performance.
Comprehensive Connectivity Options
The B550M K provides extensive connectivity including four USB 3.2 Gen 1 Type-A ports for high-speed peripherals, HDMI 2.1 with 4K support, and DisplayPort 1.4. The integrated 1GbE LAN controller ensures reliable wired internet connectivity, while the 7.1-channel audio delivers immersive sound quality for gaming and media consumption.
Compact Micro-ATX Form Factor
Designed for space-efficient builds, the micro-ATX form factor fits comfortably in smaller cases while maintaining full functionality. The passive cooling solution operates silently while keeping components at optimal temperatures, making it ideal for home offices, media centers, or gaming setups where noise reduction matters.
In the box
- GIGABYTE B550M K motherboard
- I/O shield
- User manual
- Driver disk
- SATA cables
- Screws
- CR2032 battery
- Norton® Internet Security (OEM version)
Before you order
- Confirm your CPU is compatible with Socket AM4 (Ryzen 3000/4000/5000 Series)
- Verify your case supports micro-ATX motherboard dimensions (244mm x 244mm)
- Check that your power supply has the required 24-pin ATX and 8-pin EPS connectors
- Ensure you have appropriate cooling for your specific Ryzen processor
Buyer FAQs
Does this motherboard support PCIe 4.0 graphics cards?
Can I use this with an Intel processor?
What is the maximum RAM capacity?
Does it have built-in Wi-Fi?
What RAID configurations are supported?
Summary & warranty
The GIGABYTE B550M K offers excellent value for users building systems around AMD Ryzen 5000 CPUs, combining modern features with reliable performance in a compact micro-ATX package. Its support for high-speed memory, dual M.2 storage, and comprehensive connectivity makes it suitable for gaming, content creation, and everyday computing. Covered by the applicable manufacturer warranty.
| Weight | 0.9 kg |
|---|---|
| Bundled software | Norton® Internet Security (OEM version) LAN bandwidth management software |
| Front panel connector | Yes |
| 12V power connector | Yes |
| USB 2.0 connectors | 1 |
| USB 3.2 Gen 1 3.1 Gen 1 connectors | 1 |
| TPM connector | Yes |
| Number of SATA III connectors | 4 |
| Number of chassis fan connectors | 1 |
| Front panel audio connector | Yes |
| EPS power connector 8-pin | Yes |
| CPU fan connector | Yes |
| ATX Power connector 24-pin | Yes |
| Number of CPU fan connectors | 1 |
| Number of EPS power connectors 8-pin | 1 |
| Warranty period | 3 year(s) |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series |
| Processor socket | Socket AM4 |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dodeca-channel |
| Supported memory clock speeds | 4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Supported memory clock speed max | 4733 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Maximum internal memory per slot | 32 GB |
| Number of HDDs supported | 2 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA |
| RAID levels | 1, 10 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| Parallel processing technology support | Not supported |
| USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity | 4 |
| DisplayPort version | 1.4 |
| USB 2.0 ports quantity | 4 |
| PS/2 ports quantity | 1 |
| Microphone in | Yes |
| Headphone outputs | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| DisplayPorts quantity | 1 |
| Line-in | Yes |
| LAN controller | Realtek RTL8111H |
| Motherboard chipset family | AMD |
| Supported processor sockets | Socket AM4 |
| PC health monitoring | Fan, Temperature, Voltage |
| Cooling type | Passive |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Product colour | Brown |
| Number of M.2 M slots | 2 |
| PCI Express x1 Gen 3.x slots | 1 |
| PCI Express x16 Gen 4.x slots | 1 |
| 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 type | UEFI AMI |
| Clear CMOS jumper | Yes |
| BIOS memory size | 128 Mbit |
| ACPI version | 5.0 |
| System Management BIOS SMBIOS version | 2.7 |
| Desktop Management Interface DMI version | 2.7 |
| Power source type | ATX |
| Maximum resolution | 5120 x 2880 pixels |
| HDCP | Yes |
| DirectX version | 12.0 |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Battery technology | Lithium-Manganese Dioxide (LiMnO2) |
| Battery weight | 3 g |
| Number of battery cells | 1 |
| Lithium weight per battery | 0.07 g |
| Battery type | CR2032 |
| Products per shipping inner case | 1 pc(s) |
| Country of origin | China |
| Width | 244 mm |
| Depth | 244 mm |
| Batteries included | Yes |
| Screws included | Yes |
| Height | 35 mm |
| Package width | 265 mm |
| Package depth | 265 mm |
| Package height | 54 mm |
| Package weight | 837 g |
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