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Asus Prime B450M-K II Motherboard Micro ATX with AMD AM4 Socket
Motherboards

Asus Prime B450M-K II Motherboard Micro ATX with AMD AM4 Socket

Key features:

  • 2 DDR4 Ram slots up to 4400(O.C.)
  • For AMD Ryzen processors
  • Support for PCI Express 3.0 x16
  • Display connections DVI-D, HDMI, VGA
  • Slots for 4x Sata III and 1 M.2
  • 4x USB 3.2 Gen 1, 2x USB 3.2 Gen 2
See full description

Top specs

  • Socket

    The processor socket type.

    The processor we choose should have the same socket in order to fit into the motherboard.

    In addition to the socket, the motherboard chipset must also be supported by the processor.

  • Size

    The size of the motherboard is expressed with a code name (standard).
    2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

    Micro ATX

    Smaller than ATX, with fewer slots but sufficient for everyday use.

  • Usage

    Desktop

    Motherboards designed for use in desktop computers.

  • Chipset

    The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

    The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

    If the motherboard chipset is supported by the processor, then the socket will also be compatible.

     

  • Memory

    Memory Type and RAM Slots

    Indicates the type of RAM memory supported by the motherboard (e.g., DDR4, DDR5) and the number of slots (DIMM slots) for the modules, which determines how much memory can be installed in total.
  • See all

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Product report

Description

Description

The Asus Prime B450M-K II motherboard is aimed at users seeking an economical and reliable solution for building a basic or mid-level computer. It is a mid-range motherboard that offers essential features and reliable performance for everyday use, work, and light gaming.

The Asus Prime B450M-K II is based on AMD's B450 chipset and supports AMD Ryzen 2000 and 3000 series processors. It features PCIe slots for graphics cards and other expansions, an M.2 slot for fast storage, various USB ports for device connectivity, and support for DDR4 RAM.

Additionally, the motherboard offers reliable performance with low power consumption, quality audio subsystems, and connectivity options such as Ethernet, USB, and audio ports.

The Asus Prime B450M-K II is a reliable choice for users looking for a simple and economical solution for their computer.

Prime

The ASUS Prime B450M II series motherboards provide the solid foundation you need for your first build, as well as the flexibility to grow with your ambitions. We have combined all the good features that AMD Ryzen processors have with ASUS's basic design and engineering, so you can benefit from top-notch technologies, such as automated system tuning, comprehensive cooling controls, and immersive built-in audio. When you build with an ASUS Prime B450M II Series motherboard, you build smart, easy, and cost-effective.

System Cooling

The PRIME B450M-K II is designed with a series of hybrid fan headers and features comprehensive cooling controls that can be configured via the Fan Xpert software or through the UEFI BIOS, ensuring your device stays cool and stable under intense workloads.

  • Each header can monitor and react to specific thermal sensors.
  • A dedicated integrated circuit protects the fan header, including protection against short circuits and excessive temperature.
  • The built-in CHA FAN header supports PWM and DC mode.

Storage

PCIe 3.0 M.2 up to 32 Gbps

The M.2 slot supports data transfer speeds of up to 32 Gbps through x4 PCI Express 3.0 bandwidth. It is the ideal choice for an operating system or application drive, providing fast access to data.

Armoury Crate

Armoury Crate is a new software utility designed to give you centralized control of supported products from a single intuitive interface.

Armoury Crate provides control over settings for ASUS products, including keyboard and mouse preferences. This software even features dedicated product registration and highlighting to help you stay connected with the ASUS community.

BIOS FlashBack

BIOS FlashBack is the simplest and safest method of updating the BIOS (UEFI). Simply place the (UEFI) BIOS file on a FAT32-formatted USB stick, connect it to the USB BIOS FlashBack port, and press the button. Updates can be performed even without memory or a CPU installed.

SafeSlot Core

SafeSlot Core is ASUS's exclusive PCIe slot. Featuring a reinforced design that anchors to the motherboard with a special hook, SafeSlot Core provides 1.6 times stronger retention and 1.3 times greater shearing resistance than standard expansion slots.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Details

Size
Micro ATX

Size

The size of the motherboard is expressed with a code name (standard).
2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

Micro ATX
Smaller than ATX, with fewer slots but sufficient for everyday use.
Type
Desktop

Type

Desktop

Motherboards designed for use in desktop computers.

Processor

Supported Processors
AMD
Models
Ryzen
Supported CPU Generation
Zen, Zen+
Socket
AM4

Socket

The processor socket type.

The processor we choose should have the same socket in order to fit into the motherboard.

In addition to the socket, the motherboard chipset must also be supported by the processor.

Chipset

Model
AMD B450

Model

The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

If the motherboard chipset is supported by the processor, then the socket will also be compatible.

 

Memory

Memory type
DDR4

Memory type

The type of RAM memory that is compatible with the motherboard.

DDR4

The most common type of memory, with timings starting from 2133Hz.
Quantity
2 DIMM Slots
Memory Speeds
2133, 2400, 2666, 2800OC, 2933OC, 3000OC, 3200OC, 3300OC, 3400OC, 3600OC, 3733OC, 3866OC, 4000OC, 4400OC

Memory Speeds

The supported RAM memory speeds.

The RAM and processor that will be installed in the computer should be able to reach these speeds, while special settings may be required to reach maximum speeds.
Memory Channels
Dual Channel

Memory Channels

Dual Channel

It is possible to install two identical RAM modules that will work in parallel and provide more speed to applications that require a lot of memory (e.g. video editing). 2. For example, if two identical 8GB RAM modules are installed in a dual channel motherboard, they will perform better than installing one 16GB module.

Internal Connectors

PCI Express x16 3.0
1 Slot

PCI Express x16 3.0

The available slots for PCI Express x16 3.0 expansion cards on the motherboard.

Usually, the graphics card is connected to this slot. The most common version is 3.0, while the latest generation graphics cards use 4.0.
SATA III 6Gb/s
4 Port

SATA III 6Gb/s

Modern hard drive connection standard.

Most SSD hard drives require this standard to perform at their maximum potential.
M.2 Type
1 PCIe 3.0 Port

M.2 Type

The number and type of available slots for installing M.2 SSD units.
M.2 Slots
0

External Connectors

Rear USB-A outputs
2 USB 2.0 Ports, 4 USB 3.2 Ports
Ethernet (LAN)
1

Ethernet (LAN)

The number of ethernet ports for wired connection to a network that the motherboard has on its back panel.
Screen Connections
HDMI, DVI-D, VGA

Specifications

RGB Lighting
No
Wi-Fi/Bluetooth
No
Extra
Bios Flashback

Extra

Bios Flashback

Ability to update the BIOS without requiring a CPU and RAM installed on the motherboard. This advanced feature is intended for experienced users and is useful for supporting newer processors on older motherboards. Please refer to the manufacturer's instructions for the process, as it may vary between manufacturers.

For example, if you want to install a Ryzen 5000 series processor on a chipset that only supports it after a BIOS upgrade, BIOS Flashback can be used without having an older processor on the motherboard.

Sound

Sound Card Channels
7.1
Additional Audio Connections
-

Top Specs

Memory
2x DDR4

Memory

Memory Type and RAM Slots

Indicates the type of RAM memory supported by the motherboard (e.g., DDR4, DDR5) and the number of slots (DIMM slots) for the modules, which determines how much memory can be installed in total.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (9)

Reviews

5.0
9
5.0
Review this product
  1. 9
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Number of ports
  • Number of BIOS functions
  • Reliability
  • Value for money
  • Easy hardware connection to the motherboard
  • Easy installation in the case
  • Temperature

Description & Specifications

Product Details

Size
Micro ATX

Size

The size of the motherboard is expressed with a code name (standard).
2. We make sure that the computer case in which the motherboard will be installed supports the corresponding standard in order to fit it.

Micro ATX
Smaller than ATX, with fewer slots but sufficient for everyday use.
Type
Desktop

Type

Desktop

Motherboards designed for use in desktop computers.

Processor

Supported Processors
AMD
Models
Ryzen
Supported CPU Generation
Zen, Zen+
Socket
AM4

Socket

The processor socket type.

The processor we choose should have the same socket in order to fit into the motherboard.

In addition to the socket, the motherboard chipset must also be supported by the processor.

Chipset

Model
AMD B450

Model

The motherboard chip that manages connections with motherboard components (e.g. CPU, RAM memory, hard disk, USB ports).

The processor we choose must support the motherboard chipset in order to be 100% compatible with each other and to fully utilize the motherboard connections.

If the motherboard chipset is supported by the processor, then the socket will also be compatible.

 

Memory

Memory type
DDR4

Memory type

The type of RAM memory that is compatible with the motherboard.

DDR4

The most common type of memory, with timings starting from 2133Hz.
Quantity
2 DIMM Slots
Memory Speeds
2133, 2400, 2666, 2800OC, 2933OC, 3000OC, 3200OC, 3300OC, 3400OC, 3600OC, 3733OC, 3866OC, 4000OC, 4400OC

Memory Speeds

The supported RAM memory speeds.

The RAM and processor that will be installed in the computer should be able to reach these speeds, while special settings may be required to reach maximum speeds.
Memory Channels
Dual Channel

Memory Channels

Dual Channel

It is possible to install two identical RAM modules that will work in parallel and provide more speed to applications that require a lot of memory (e.g. video editing). 2. For example, if two identical 8GB RAM modules are installed in a dual channel motherboard, they will perform better than installing one 16GB module.

Internal Connectors

PCI Express x16 3.0
1 Slot

PCI Express x16 3.0

The available slots for PCI Express x16 3.0 expansion cards on the motherboard.

Usually, the graphics card is connected to this slot. The most common version is 3.0, while the latest generation graphics cards use 4.0.
SATA III 6Gb/s
4 Port

SATA III 6Gb/s

Modern hard drive connection standard.

Most SSD hard drives require this standard to perform at their maximum potential.
M.2 Type
1 PCIe 3.0 Port

M.2 Type

The number and type of available slots for installing M.2 SSD units.
M.2 Slots
0

External Connectors

Rear USB-A outputs
2 USB 2.0 Ports, 4 USB 3.2 Ports
Ethernet (LAN)
1

Ethernet (LAN)

The number of ethernet ports for wired connection to a network that the motherboard has on its back panel.
Screen Connections
HDMI, DVI-D, VGA

Specifications

RGB Lighting
No
Wi-Fi/Bluetooth
No
Extra
Bios Flashback

Extra

Bios Flashback

Ability to update the BIOS without requiring a CPU and RAM installed on the motherboard. This advanced feature is intended for experienced users and is useful for supporting newer processors on older motherboards. Please refer to the manufacturer's instructions for the process, as it may vary between manufacturers.

For example, if you want to install a Ryzen 5000 series processor on a chipset that only supports it after a BIOS upgrade, BIOS Flashback can be used without having an older processor on the motherboard.

Sound

Sound Card Channels
7.1
Additional Audio Connections
-

Top Specs

Memory
2x DDR4

Memory

Memory Type and RAM Slots

Indicates the type of RAM memory supported by the motherboard (e.g., DDR4, DDR5) and the number of slots (DIMM slots) for the modules, which determines how much memory can be installed in total.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Description

The Asus Prime B450M-K II motherboard is aimed at users seeking an economical and reliable solution for building a basic or mid-level computer. It is a mid-range motherboard that offers essential features and reliable performance for everyday use, work, and light gaming.

The Asus Prime B450M-K II is based on AMD's B450 chipset and supports AMD Ryzen 2000 and 3000 series processors. It features PCIe slots for graphics cards and other expansions, an M.2 slot for fast storage, various USB ports for device connectivity, and support for DDR4 RAM.

Additionally, the motherboard offers reliable performance with low power consumption, quality audio subsystems, and connectivity options such as Ethernet, USB, and audio ports.

The Asus Prime B450M-K II is a reliable choice for users looking for a simple and economical solution for their computer.

Prime

The ASUS Prime B450M II series motherboards provide the solid foundation you need for your first build, as well as the flexibility to grow with your ambitions. We have combined all the good features that AMD Ryzen processors have with ASUS's basic design and engineering, so you can benefit from top-notch technologies, such as automated system tuning, comprehensive cooling controls, and immersive built-in audio. When you build with an ASUS Prime B450M II Series motherboard, you build smart, easy, and cost-effective.

System Cooling

The PRIME B450M-K II is designed with a series of hybrid fan headers and features comprehensive cooling controls that can be configured via the Fan Xpert software or through the UEFI BIOS, ensuring your device stays cool and stable under intense workloads.

  • Each header can monitor and react to specific thermal sensors.
  • A dedicated integrated circuit protects the fan header, including protection against short circuits and excessive temperature.
  • The built-in CHA FAN header supports PWM and DC mode.

Storage

PCIe 3.0 M.2 up to 32 Gbps

The M.2 slot supports data transfer speeds of up to 32 Gbps through x4 PCI Express 3.0 bandwidth. It is the ideal choice for an operating system or application drive, providing fast access to data.

Armoury Crate

Armoury Crate is a new software utility designed to give you centralized control of supported products from a single intuitive interface.

Armoury Crate provides control over settings for ASUS products, including keyboard and mouse preferences. This software even features dedicated product registration and highlighting to help you stay connected with the ASUS community.

BIOS FlashBack

BIOS FlashBack is the simplest and safest method of updating the BIOS (UEFI). Simply place the (UEFI) BIOS file on a FAT32-formatted USB stick, connect it to the USB BIOS FlashBack port, and press the button. Updates can be performed even without memory or a CPU installed.

SafeSlot Core

SafeSlot Core is ASUS's exclusive PCIe slot. Featuring a reinforced design that anchors to the motherboard with a special hook, SafeSlot Core provides 1.6 times stronger retention and 1.3 times greater shearing resistance than standard expansion slots.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Reviews (9)

5.0
9
5.0
Review this product
  1. 9
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Number of ports
  • Number of BIOS functions
  • Reliability
  • Value for money
  • Easy hardware connection to the motherboard
  • Easy installation in the case
  • Temperature
68,60 €
14,00 €   shipping cost