ASUS PRIME B550M-K – AMD B550 Chipset (Socket AM4) PCIe 4.0 Micro-ATX Motherboard

  • Chipset: AMD B550
  • CPU Socket: AMD AM4
  • Supported CPU: AMD Ryzen 5000, 4000-G and 3000 Serires
  • Memory Slots: 4
  • PCIe Gen 4 X16 Slots: 1
  • Form Factor: Micro-ATX

£119.99

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MPN: 90MB14V0-M0EAY0 SKU: MB-ASUSB550-PRIMEK

GTIN: 04718017758284

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Product Description

The ASUS PRIME B550M-K motherboard is expertly engineered to unleash the full potential of the 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, ASUS Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.

Specifications

  • Chipset: AMD B550
  • CPU Socket: AMD AM4
  • Supported CPU: AMD 2nd/3rd Gen Ryzen
  • Memory Slots: 4
  • PCIe Gen 4 X16 Slots: 1
  • Form Factor: Micro-ATX
  • AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • Comprehensive cooling: PCH heatsink and Fan Xpert 2+
  • Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
  • 5X Protection III: Multiple hardware safeguards for all-around system protection

AMD B550

Chipset

AMD AM4

Socket

Gen 4.0

PCIe

Micro-ATX

Form Factor

About the ASUS PRIME B550M-K Motherboard

ASUS PRIME B550M-K Box View
ASUS PRIME B550M-K Rear Angled View

Precise Power Control

The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.

ASUS PRIME B550M-K Front Angled View

Cooler by Design

The ASUS Prime B550M-K is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.

ASUS PRIME B550M-K Flat View

PCIe 4.0 M.2
(up to 64 Gbps)

PCIe 4.0 M.2 Slot provides NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with PCIe 4.0 storage devices to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.

ASUS PRIME B550M-K Flat Angled View

Safeslot Core

SafeSlot Core is the ASUS-exclusive PCIe slot. Featuring a fortified design that’s anchored to the motherboard by a special hook. Safeslot Core provides 1.6X-stronger retention and 1.3X-greater shearing resistance than standard expansion slots.

Intelligent design and premium hardware create audio quality, unlike anything you’ve ever experienced.

Audio Shielding

Separates analogue/digital signal domains, significantly reducing multi-lateral interference.

Separate Layer for Left and Right Tracks

Ensures minimal crosstalk between audio paths.

Premium Japanese Capacitors

The ASUS PRIME B550M-K is fitted with premium parts to provide an immersive sound signature, with exceptional fidelity.

Product Specifications

Motherboard
Chipset

B550

Power Phases

4+2

Form Factor

Micro-ATX

Motherboard Height

244mm

Motherboard Width

244mm

Memory
Maximum memory

128GB

Max supported memory speeds

4800MHz

Memory slots

4

Supported memory types

DDR4

Audio
On-Board Audio

Realtek ALC887 codec

Audio Channels

7.1

Networking
Bluetooth

No

Wi-Fi

No

On-Board LAN

Yes

LAN Ports

Realtek 8111H Gigabit LAN Controller (10 Mbit/100 Mbit/1 Gbit)

CPU
CPU Brand

AMD

CPU Socket

AM4

Supported CPU

AMD Ryzen 3000 Series
AMD Ryzen 4000 G-Series
AMD Ryzen 5000 G-Series
AMD Ryzen 5000 Series

On-Board Video

Yes (requires CPU with integrated graphics chip)

Back Panel Connectors
Audio Jacks

3

DisplayPort

No

HDMI Port

Yes

LAN Ports

Realtek 8111H Gigabit LAN Controller (10 Mbit/100 Mbit/1 Gbit)

USB C Ports

0

USB 3 Ports

6

Internal I/O Connectors
Front Audio Panel Connector

Yes

On-Board USB2.0 Headers

2

On-Board USB3.0 Headers

1

On-Board USB3.0 Type C Headers

0

Storage Interface
M.2 Sockets

2

SATA Ports

4

Expansion Slots
PCIe Gen 3.0 x16 Slots

1

PCIe Gen 3.0 x1 Slots

2

PCIe Gen 4.0 x16 Slots

1

General Information
SKU

MB-ASUSB550-PRIMEK

MPN

90MB14V0-M0EAY0

GTIN

04718017758284

Weight

2 kg

Dimensions

28 × 28 × 6 cm