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Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX

Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
36 mo.
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
R1,960
ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance t... Read More
Stock 20 Code 10493 Brand ASUS Model 90MB14V0-M0EAY0 Warranty 3 Years

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Estimated delivery Tuesday, September 29
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ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.

Tune It Your Way

Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity.

Cooler by Design

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.

Build on a Solid Foundation
Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

Little Things Make a Big Difference
Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a uniquely personal look.

Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.

All-around Energy Efficiency

With the Energy Processing Unit (EPU), you'll enjoy system-wide power savings. The EPU automatically optimizes power consumption and maximizes savings with Away mode.

Flexible Cooling Controls

Fan Xpert 2+ software provides comprehensive control over system fans. Auto-Tuning mode intelligently configures all parameters with a single click. There's also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.

Precise Digital 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.

How to use

Install the ASUS PRIME B550M-K into a compatible Micro ATX case and mount an AM4-compatible AMD Ryzen CPU following the motherboard and CPU manufacturer instructions. Populate DDR4 DIMM slots up to the supported capacity, connect storage drives to M.2 or SATA connectors, and attach power, cooling fans and peripherals. Use the UEFI BIOS or ASUS Fan Xpert 2+ software to configure fan curves, adjust performance settings and apply system tuning. Update drivers and utilities from the ASUS support site for optimal compatibility.

Recommendations

For stable performance, use quality power supplies and compatible DDR4 memory modules within the motherboard's supported specifications, keep BIOS and drivers up to date, and configure cooling profiles via Fan Xpert 2+ or the UEFI BIOS based on your workload.

Key Highlights
  • Home and office PCs running AMD Ryzen 3000 series processors
  • Compact DIY builds using a Micro ATX chassis
  • Systems requiring M.2 NVMe or SATA storage expansion
  • Users who need stable LAN connectivity for everyday networking
  • Form factor: Micro ATX
  • Chipset: AMD B550
  • Socket: AM4 (supports 3rd Gen AMD Ryzen)
  • Memory: DDR4, up to 128 GB across 4 DIMM slots
  • Expansion: PCIe slots including PCIe x1 Gen3 variants
  • Storage interfaces: M.2 and SATA
  • LAN controller: Realtek RTL8111H
  • Weight: 0.785 kg
Specifications
ATX Power connector (24-pin)
Yes
BIOS memory size
256 Mbit
BIOS type
UEFI AMI
Compatible processor series
AMD Ryzen 3000 Series
Depth
244 mm
DVI-D ports quantity
1
Ethernet LAN
Yes
Ethernet LAN (RJ-45) ports
1
Harmonized System (HS) code
84733020
HDMI ports quantity
1
Height
51 mm
LAN controller
Realtek RTL8111H
Maximum internal memory
128 GB
Memory slots type
DIMM
Motherboard chipset
AMD B550
Motherboard chipset family
AMD
Motherboard form factor
micro ATX
Number of M.2 (M) slots
2
Number of memory slots
4
PCI Express x1 (Gen 3.x) slots
2
PCI Express x16 (Gen 4.x) slots
1
Processor manufacturer
AMD
Processor socket
Socket AM4
PS/2 ports quantity
1
Supported memory clock speeds
2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Supported memory types
DDR4-SDRAM
Supported storage drive interfaces
M.2, SATA
USB 2.0 connectors
2
USB 2.0 ports quantity
0
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
0
Weight
785 g
Wi-Fi
No
Width
244 mm
Windows operating systems supported
Windows 10

Manual

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Leaflet

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Price history over the last 6 months
Motherboard ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX
Current
R1,960
Lowest
R1,738
Highest
R2,007
Change 24H
+R139   +8%
Week
+R83   +4%
Month
+R221   +13%

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