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.
Slim Specs Table
| 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.
Box contents
- GIGABYTE B550M K motherboard
- I/O shield
- User manual
- Driver disk
- SATA cables
- Screws
- CR2032 battery
- Norton® Internet Security (OEM version)
Check before you buy
- 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
Frequently Asked Questions
Q: Does this motherboard support PCIe 4.0 graphics cards?
A: Yes, the PCIe x16 slot supports PCIe 4.0 for compatible graphics cards.
Q: Can I use this with an Intel processor?
A: No, this motherboard only supports AMD Ryzen processors with Socket AM4.
Q: What is the maximum RAM capacity?
A: The motherboard supports up to 128GB of DDR4 memory across four DIMM slots.
Q: Does it have built-in Wi-Fi?
A: No, this model does not include built-in Wi-Fi – you’ll need a Wi-Fi adapter for wireless connectivity.
Q: What RAID configurations are supported?
A: The motherboard supports RAID 0, RAID 1, and RAID 10 configurations for both M.2 and SATA drives.
The Consultant’s verdict & 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 standard Manufacturer Warranty.
| Weight | 0.9 kg |
|---|---|
| Bundled software | Norton® Internet Security (OEM version) LAN bandwidth management software |

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