ASUS PRIME B550M-K AMD B550 Micro ATX

£88.54 inc VAT

18 in stock

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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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Description

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.

Specifications
Internal I/O
Number of M.2 (M) slots2
Supported storage drive interfacesM.2, SATA
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
ATX Power connector (24-pin)Yes
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Performance
Windows operating systems supportedWindows 10
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series
Processor socketSocket AM4
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Supported memory clock speeds2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Maximum internal memory128 GB
Storage controllers
Supported storage drive interfacesM.2, SATA
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
PS/2 ports quantity1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity1
Network
Ethernet LANYes
Wi-FiNo
LAN controllerRealtek RTL8111H
Features
Windows operating systems supportedWindows 10
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Harmonized System (HS) code84733020
Expansion slots
Number of M.2 (M) slots2
PCI Express x1 (Gen 3.x) slots2
PCI Express x16 (Gen 4.x) slots1
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Software
Windows operating systems supportedWindows 10
Logistics data
Harmonized System (HS) code84733020
Weight & dimensions
Height51 mm
Weight785 g
Width244 mm
Depth244 mm
Other features
Height51 mm
Weight785 g
Identifiers
Distributor SKUsMBD-90MB14V0-M0EAY0, 5766451, 119014, W126266230, 343002, STD10199085
Additional EANs0192876758298

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