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header-product Motherboard ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX
68.99 €

Motherboard ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX

Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 1
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 2
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 3
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 4
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 5
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 6
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 1
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 2
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 3
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 4
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 5
Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 Photo 6
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Motherboard ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX

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Motherboard ASUS Prime B450M-K II AMD B450 Socket AM4 micro ATX

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Short description

The ASUS Prime B450M-K II motherboard supports AMD Ryzen processors with Socket AM4 and features a micro ATX form factor. It supports DDR4 memory up to 64 GB and offers multiple storage interfaces including M.2, PCI Express 3.0, and SATA III. With Gigabit Ethernet for high-speed connectivity and RAID support for enhanced data management, this motherboard is ideal for building a powerful PC.
Available for order: 20 pcs.
Warranty: 3 Years
SKU: 3633395
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
10.08.2026 {{selectedOffer.officeDeliveryString}}
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13.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.86 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
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From 1.79 €
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Bank transfer, Bank cards on-line, Apple Pay, Google Pay
Price for companies: 57.02€ Price is valid only for legal clients
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Product information

Description

ASUS Prime B450M II Series motherboards provide a reliable basis for first-time PC builds with room to expand. Designed for AMD Ryzen™ processors and developed by ASUS engineering, the Prime B450M II delivers automated system tuning, comprehensive cooling controls and integrated audio features to support everyday productivity and upgrades.

Advantages

The Prime B450M II offers flexible tuning tools to adjust performance settings, hybrid fan headers and configurable cooling via Fan Xpert or the UEFI BIOS, plus an M.2 slot with PCIe 3.0 x4 support for fast storage. Board design also includes refined onboard audio and user-friendly interfaces for system customization.

Key specifications

  • Chipset: AMD B450 (Prime B450M II series)
  • Processor support: AMD Ryzen™ processors
  • M.2: PCIe 3.0 x4 M.2 slot (up to 32 Gbps)
  • Cooling: multiple hybrid fan headers; configurable via Fan Xpert or UEFI BIOS
  • Audio: integrated onboard audio with dedicated codecs and premium hardware
  • Form factor: Micro-ATX (B450M)

How to use

Install the ASUS Prime B450M II into a compatible Micro‑ATX case, mount a supported AMD Ryzen™ CPU and attach memory, storage and power connectors according to the motherboard manual. Configure cooling profiles and fan headers using Fan Xpert software or the UEFI BIOS, and install an M.2 NVMe drive into the PCIe 3.0 x4 slot for best system responsiveness. Use the onboard audio and interface options to set up device preferences and customize the system appearance.

Recommendations

For reliable operation, update the UEFI BIOS to the latest version before first use, install a compatible cooling solution for high‑performance CPUs, and use an NVMe M.2 drive in the PCIe 3.0 x4 slot for optimal boot and application load times.

Specifications

BIOS type: The BIOS (Basic Input/Output System) initializes and tests system hardware components, and loads a bootloader or an operating system from a mass memory device. The BIOS additionally provides abstraction layer for the hardware, i.e. a consistent way for application programs and operating systems to interact with the keyboard, display, and other input/output devices. There are several types of BIOS, including the motherboard ROM BIOS, video BIOS, drive controller BIOS, network adapter BIOS, and SCSI adapter BIOS.
UEFI AMI
Audio output channels: An audio output channel is an electric circuit which acts as a path for a signal produced by a device. A device may have several audio output channels.
7.1
Motherboard chipset: The chipset connects the microprocessor to the rest of the motherboard.
AMD B450
Motherboard chipset family: The category of motherboard chipset e.g. Intel, AMD.
AMD
Motherboard form factor: Design of the motherboard (ATX, BTX etc).
Micro ATX
Component for: What this product is used as a part of (component for).
PC
Wi-Fi: Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.
No
DVI-D ports quantity: This is the amount of DVI-I interfaces. Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source to a display device, such as a computer monitor. DVI-D means DVI digital, which means it can only support digital, but not analog.
1
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
0
VGA (D-Sub) ports quantity: Number of VGA (D-Sub) ports (connecting interfaces) in the device. The VGA (D-Sub) connector is a 15 pin connector between a computer and a monitor. It was first introduced in 1987 by IBM.
1
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: Number of USB 3.1 (3.1 Gen 2) ports with Type-C connector. USB 3.1 (3.1 Gen 2) is USB interface version which supports transfer rate up to 10 Gbit/s (SuperSpeed+). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:
3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity: Number of USB 3.0 (3.1 Gen 1) ports with Type-C connector. USB 3.0 (3.1 Gen 1) is USB interface version which supports transfer rate up to 5 Gbit/s (SuperSpeed). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.
0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
4
USB 2.0 ports quantity: Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.
0
Number of SATA III connectors: Serial ATA (Advanced Technology Attachment) (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. The bandwidth throughput, which is supported by the interface, is up to 600MB/s. This interface is backwards compatible with SATA 3 Gb/s interface.
4
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
0
USB 3.2 Gen 1 (3.1 Gen 1) connectors: This is a connector (normally attached to a cable) for USB 3.0. USB 3.0 is the second major revision of the Universal Serial Bus (USB) standard for computer connectivity. First introduced in 2008, USB 3.0 adds a new transfer mode called "SuperSpeed," (distinguishable from USB 2.0 by either the blue colour of the port or the initials SS) capable of transferring data at up to 5Gbit/s—more than ten times as fast as the 480 Mbit/s top speed of USB 2.0.
1
USB 2.0 connectors: The end of a cable with a USB 2.0 connector. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), in addition to the "USB 1.x Full Speed" signaling rate of 12 Mbit/s. USB 2.0 connectors are usually colored black.
2
Maximum internal memory: The maximum internal memory which is available in the product.
64 GB
Number of memory slots:
2
Processor socket: Mechanical component(s) that provides mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows the processor to be replaced without soldering.
Socket AM4
Processor manufacturer: The manufacturer that produced the processor.
AMD
Supported storage drive interfaces:
M.2, PCI Express 3.0, SATA III
Supported memory types: Types of memory which can be used with the product.
DDR4-SDRAM
All features

Other features

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.84 kg

Packaging content

Bundled software: Software distributed with another product such as a piece of computer hardware or other electronic device, or a group of software packages which are sold together. A software suite is an example of bundled software, as is software which is pre-installed on a new computer.
Armoury Crate, AI Suite 3, Performance and Power, Saving Utility, TurboV EVO, EPU, DIGI+ VRM, Fan Xpert, PC Cleaner, EZ update, System Information, ASUS CPU-Z, AI Charger, ASUS EZ Installer, DAEMON Tools, Norton Anti-virus software (Free Trial for 60 days), WinRAR, UEFI BIOS, ASUS EZ DIY, ASUS CrashFree BIOS 3, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode
Cables included:
SATA

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
259 mm
Depth: The distance from the front to the back of something.
244 mm
Width: The measurement or extent of something from side to side.
244 mm

Logistics data

Harmonized System (HS) code:
84733020

BIOS

ACPI version:
6.1
BIOS memory size:
128 Mbit
BIOS type: The BIOS (Basic Input/Output System) initializes and tests system hardware components, and loads a bootloader or an operating system from a mass memory device. The BIOS additionally provides abstraction layer for the hardware, i.e. a consistent way for application programs and operating systems to interact with the keyboard, display, and other input/output devices. There are several types of BIOS, including the motherboard ROM BIOS, video BIOS, drive controller BIOS, network adapter BIOS, and SCSI adapter BIOS.
UEFI AMI

Expansion slots

PCI Express x16 (Gen 3.x) slots: Places where PCI Express x16 (Gen 3.x) are placed inside and connected to the computer motherboard.
2
PCI Express x1 (Gen 2.x) slots:
2

Features

Windows operating systems supported: Windows vesions wich can be used with the device.
Windows 10 x64, Windows 7 x64
Audio output channels: An audio output channel is an electric circuit which acts as a path for a signal produced by a device. A device may have several audio output channels.
7.1
Audio chip:
Realtek ALC887-VD2
Motherboard chipset: The chipset connects the microprocessor to the rest of the motherboard.
AMD B450
Motherboard chipset family: The category of motherboard chipset e.g. Intel, AMD.
AMD
Motherboard form factor: Design of the motherboard (ATX, BTX etc).
Micro ATX
Component for: What this product is used as a part of (component for).
PC

Network

Wi-Fi: Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.
No
Ethernet interface type:
Gigabit Ethernet
Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Yes

Rear panel I/O ports

Microphone in: The socket where a microphone is connected to the device.
Yes
Headphone outputs: Number of sockets /ports where headphones are connected.
1
DVI-D ports quantity: This is the amount of DVI-I interfaces. Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source to a display device, such as a computer monitor. DVI-D means DVI digital, which means it can only support digital, but not analog.
1
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
0
VGA (D-Sub) ports quantity: Number of VGA (D-Sub) ports (connecting interfaces) in the device. The VGA (D-Sub) connector is a 15 pin connector between a computer and a monitor. It was first introduced in 1987 by IBM.
1
PS/2 ports quantity: The number of PS/2 connectors for keyboards and mice. Its name comes from the IBM Personal System/2.
2
eSATA ports quantity: The number of ports (interfaces) for eSATA. eSATA is a a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives.
0
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: Number of USB 3.1 (3.1 Gen 2) ports with Type-C connector. USB 3.1 (3.1 Gen 2) is USB interface version which supports transfer rate up to 10 Gbit/s (SuperSpeed+). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:
3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity: Number of USB 3.0 (3.1 Gen 1) ports with Type-C connector. USB 3.0 (3.1 Gen 1) is USB interface version which supports transfer rate up to 5 Gbit/s (SuperSpeed). USB Type-C connector has symmetrical design architecture and compatible with Thunderbolt 3 interface.
0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
4
USB 2.0 ports quantity: Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.
0

Internal I/O

Number of chassis fan connectors:
2
CPU fan connector:
Yes
ATX Power connector (24-pin):
Yes
Front panel audio connector:
Yes
Audio connector:
Yes
S/PDIF out connector:
Yes
Number of Parallel ATA connectors: The number of connectors (with wires) for parallel ATA (PATA), which is an interface standard for the connection of storage devices such as hard disks, floppy drives, and optical disc drives in computers.
0
Number of SATA II connectors: Serial ATA (Advanced Technology Attachment) (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. SATA II (revision 2.x) interface, formally known as SATA 3Gb/s, is a second generation SATA interface running at 3.0 Gb/s. The bandwidth throughput, which is supported by the interface, is up to 300MB/s.
0
Number of SATA III connectors: Serial ATA (Advanced Technology Attachment) (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. The bandwidth throughput, which is supported by the interface, is up to 600MB/s. This interface is backwards compatible with SATA 3 Gb/s interface.
4
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
0
USB 3.2 Gen 1 (3.1 Gen 1) connectors: This is a connector (normally attached to a cable) for USB 3.0. USB 3.0 is the second major revision of the Universal Serial Bus (USB) standard for computer connectivity. First introduced in 2008, USB 3.0 adds a new transfer mode called "SuperSpeed," (distinguishable from USB 2.0 by either the blue colour of the port or the initials SS) capable of transferring data at up to 5Gbit/s—more than ten times as fast as the 480 Mbit/s top speed of USB 2.0.
1
USB 2.0 connectors: The end of a cable with a USB 2.0 connector. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), in addition to the "USB 1.x Full Speed" signaling rate of 12 Mbit/s. USB 2.0 connectors are usually colored black.
2

Storage controllers

RAID levels: RAID is a storage technology that combines multiple disk drive components into a logical unit for the purposes of data redundancy and performance improvement. Data is distributed across the drives in one of several ways, referred to as RAID levels, depending on the specific level of redundancy and performance required.
1, 10
Supported storage drive interfaces:
M.2, PCI Express 3.0, SATA III

Memory

Unbuffered memory:
Yes
Maximum internal memory: The maximum internal memory which is available in the product.
64 GB
Supported memory clock speeds: Memory clock speed is the time it takes for a computer to complete basic operations. It refers to the computer's processing speed and is measured in hertz. It is however not such a reliable measure of a computer's speed as it doesn't take into account other factors like RAM and cache size.
3200, 3000, 2933, 2800, 2666, 2400, 2133
ECC сompatibility:
ECC
Memory slots type: A memory slot, also known as a memory socket or RAM slot, is what allows computer memory (RAM) to be inserted into the computer. Depending on the motherboard, there will usually be 2 to 4 memory slots (sometimes more on high-end motherboards). The most common types of RAM are SDRAM and DDR for desktop computers and SODIMM for laptop computers, each having various types and speeds.
DIMM
Number of memory slots:
2
Supported memory types: Types of memory which can be used with the product.
DDR4-SDRAM

Processor

Processor socket: Mechanical component(s) that provides mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows the processor to be replaced without soldering.
Socket AM4
Processor manufacturer: The manufacturer that produced the processor.
AMD

Reasons to buy

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.

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.

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Customer questions

FAQ

How much does the Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0 cost, and is it available for purchase?

The price is 68.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Asus products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Asus service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: bios type, audio output channels, motherboard chipset, motherboard chipset family, motherboard form factor, component for, wi-fi, dvi-d ports quantity, hdmi ports quantity, vga (d-sub) ports quantity, ethernet lan (rj-45) ports, usb 3.2 gen 2 (3.1 gen 2) type-c ports quantity, usb 3.2 gen 2 (3.1 gen 2) type-a ports quantity, usb 3.2 gen 1 (3.1 gen 1) type-c ports quantity, usb 3.2 gen 1 (3.1 gen 1) type-a ports quantity, usb 2.0 ports quantity, number of sata iii connectors, usb 3.2 gen 2 (3.1 gen 2) connectors, usb 3.2 gen 1 (3.1 gen 1) connectors, usb 2.0 connectors, maximum internal memory, number of memory slots, processor socket, processor manufacturer, supported storage drive interfaces, supported memory types, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Motherboard ASUS Prime B450M-K II, 90MB1600-M0EAY0?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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