ASUS PRIME B550M-K AMD B550 Micro ATX
£88.54 inc VAT
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About This Item
- AMD B550 chipset for 3rd Gen Ryzen compatibility
- Micro ATX form factor with 4 DDR4 DIMM slots
- Supports up to 128GB DDR4 memory at speeds up to 4600MHz
- 2 M.2 slots and SATA for flexible storage options
- 1 PCIe 4.0 x16 slot and 2 PCIe 3.0 x1 slots
- 4 USB 3.2 Gen 1 and 2 USB 3.2 Gen 2 Type-A ports
- Realtek RTL8111H Gigabit LAN controller
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ASUS PRIME B550M-K | Micro ATX AMD B550 Motherboard
The ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX motherboard delivers robust performance for AMD Ryzen 3000 Series processors in a compact micro ATX form factor. Engineered with comprehensive cooling controls, flexible tuning options, and solid power delivery, this board suits both daily users and DIY PC builders seeking reliability without sacrificing capability.
Slim Specs Table
| Metric | Spec |
|---|---|
| Form Factor | Micro ATX |
| Processor Support | AMD Ryzen 3000 Series |
| Memory Support | DDR4 up to 4600 MHz |
| Storage | 2x M.2, SATA |
| USB Ports | 6x USB 3.2 (4x Gen 1, 2x Gen 2) |
Comprehensive Performance Tuning
The ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX features extensive tuning controls through Fan Xpert 2+ software and UEFI BIOS. These tools let you adjust fan curves, monitor system temperatures, and optimise performance settings to match your specific workload, whether you’re gaming, content creation, or general productivity.
Advanced Cooling Design
Engineered with hybrid fan headers and configurable cooling controls, this motherboard maintains stable temperatures under demanding workloads. The comprehensive cooling solution includes dedicated headers for both chassis and water pumps, ensuring your system stays cool and reliable during extended use.
Built for AMD Ryzen 3000 Series
Supporting the latest AMD Ryzen 3000 Series processors via Socket AM4, this board delivers the foundation needed for modern computing. The AMD B550 chipset provides PCIe 4.0 support for one x16 slot, enabling high-speed graphics cards and NVMe SSDs for responsive performance.
Audio Excellence
Combined with premium onboard audio hardware, the PRIME B550M-K delivers elevated sound quality for both gaming and media consumption. The intelligent audio design ensures clear, detailed sound reproduction that enhances your overall computing experience.
Box contents
- ASUS PRIME B550M-K motherboard
- I/O shield
- User manual
- Warranty card
- SATA cables (quantity not specified)
Check before you buy
- Confirm your AMD Ryzen processor is Socket AM4 compatible
- Verify your case supports micro ATX dimensions (244mm x 244mm)
- Check you have adequate cooling for your intended CPU
- Ensure your power supply has a 24-pin ATX connector
Frequently Asked Questions
Q: Does this motherboard support Wi-Fi?
A: No, the ASUS PRIME B550M-K does not include built-in Wi-Fi. You’ll need a separate Wi-Fi adapter if wireless connectivity is required.
Q: What is the maximum RAM capacity?
A: This motherboard supports up to 128GB of DDR4 memory across four DIMM slots.
Q: Can I use PCIe 4.0 devices?
A: Yes, the single PCIe x16 slot supports PCIe 4.0 for compatible graphics cards and NVMe SSDs.
Q: Is this motherboard suitable for gaming?
A: Yes, with support for Ryzen 3000 Series processors and PCIe 4.0, it provides solid gaming performance for mainstream systems.
Q: What cooling options are available?
A: The board features hybrid fan headers and comprehensive cooling controls via Fan Xpert 2+ software or UEFI BIOS.
The Consultant’s verdict & warranty
The ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX offers excellent value for users building AMD Ryzen 3000 Series systems who need reliable performance in a space-efficient micro ATX package. With comprehensive tuning options, robust cooling controls, and support for modern storage and memory speeds, it suits both first-time builders and experienced enthusiasts. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 2 |
| Supported storage drive interfaces | M.2, SATA |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| ATX Power connector (24-pin) | Yes |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | micro ATX |
| Performance | |
| Windows operating systems supported | Windows 10 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | micro ATX |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3000 Series |
| Processor socket | Socket AM4 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR4-SDRAM |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz |
| Maximum internal memory | 128 GB |
| Storage controllers | |
| Supported storage drive interfaces | M.2, SATA |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI-D ports quantity | 1 |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| LAN controller | Realtek RTL8111H |
| Features | |
| Windows operating systems supported | Windows 10 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | micro ATX |
| Harmonized System (HS) code | 84733020 |
| Expansion slots | |
| Number of M.2 (M) slots | 2 |
| PCI Express x1 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Software | |
| Windows operating systems supported | Windows 10 |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| Weight & dimensions | |
| Height | 51 mm |
| Weight | 785 g |
| Width | 244 mm |
| Depth | 244 mm |
| Other features | |
| Height | 51 mm |
| Weight | 785 g |
| Identifiers | |
| Distributor SKUs | MBD-90MB14V0-M0EAY0, 5766451, 119014, W126266230, 343002, STD10199085 |
| Additional EANs | 0192876758298 |
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