ASUS

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

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£122.99

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Brand ASUS SKU MB-ASUSB550-PRIMEK Manufacturer part 90MB14V0-M0EAY0 EAN 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.

Specification

Specification

Chipset B550
Power Phases 4+2
Form Factor Micro-ATX
Motherboard Height 244mm
Motherboard Width 244mm
Maximum memory 128GB
Max supported memory speeds 4800MHz
Memory slots 4
Supported memory types DDR4
Onboard Audio Realtek ALC887 codec
Audio Channels 7.1
Onboard Bluetooth No
Onboard Wi-Fi No
Onboard LAN Yes
LAN Ports Realtek 8111H Gigabit LAN Controller (10 Mbit/100 Mbit/1 Gbit)
PCIe Gen 3.0 x16 Slots 1
PCIe Gen 3.0 x1 Slots 2
PCIe Gen 4.0 x16 Slots 1
M.2 Sockets 2
SATA Ports 4
Front Audio Panel Connector Yes
Onboard USB2.0 Headers 2
Onboard USB3.0 Headers 1
Onboard USB3.0 Type C Headers 0
Audio Jacks 3
DisplayPort No
HDMI Port Yes
USB C Ports 0
USB 3 Ports 6
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
Onboard Video Yes (requires CPU with integrated graphics chip)

Product identity

Brand ASUS
SKU MB-ASUSB550-PRIMEK
Manufacturer part 90MB14V0-M0EAY0
Barcode 04718017758284

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Delivery

Your ASUS PRIME B550M-K - AMD B550 Chipset (Socket AM4) PCIe 4.0 Micro-ATX Motherboard goes by Express Tracked Delivery — order before 2pm Monday to Friday and it goes out the same day. Next working day delivery.

Delivery information

Returns

Changed your mind? Send your ASUS PRIME B550M-K - AMD B550 Chipset (Socket AM4) PCIe 4.0 Micro-ATX Motherboard back unopened within 30 days for a full refund. Anything faulty can be rejected for a full refund within 30 days of delivery.

Returns policy

Ways to pay

Pay by card, or spread the cost of your ASUS PRIME B550M-K - AMD B550 Chipset (Socket AM4) PCIe 4.0 Micro-ATX Motherboard over 4 instalments with Clearpay. Clearpay is a form of credit — make sure you can repay on time, as late fees apply. Every order earns loyalty points towards the next one.

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Need a hand?

Not sure the ASUS PRIME B550M-K - AMD B550 Chipset (Socket AM4) PCIe 4.0 Micro-ATX Motherboard is right for your build, or whether your power supply is up to it? Ask us.

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