Asus PRIME B450M-K II DDR4 AMD AM4 micro ATX Motherboard
Asus PRIME B450M-K II DDR4 AMD AM4 micro ATX Motherboard
Asus PRIME B450M-K II DDR4 AMD AM4 micro ATX Motherboard

Asus PRIME B450M-K II DDR4 AMD AM4 micro ATX Motherboard

Brand: ASUS
SKU: PRIME-B450M-A-II
Availability: In stock

Key Features

Model: PRIME B450M-K II

CPU: AMD AM4 Socket for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series

Supported RAM: 2 x DDR4, Max. 64GB

Graphics Output: 1x D-Sub, 1x DVI-D, 1x HDMI 2.0b

Features: 5X Protection III

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Description

Specification

Basic Information

Supported CPU AMD AM4 Socket for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3rd/2nd/1st Gen AMD Ryzen/ 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics/ Athlon with Radeon Vega Graphics Processors
Chipset AMD B450
BIOS 256 Mb Flash ROM, UEFI AMI BIOS
Form Factor mATX Form Factor
8.9 inch x 8.7 inch ( 22.6 cm x 22.1 cm )

Expansion Slots

PCI 3rd/2nd/1st Gen AMD Ryzen Processors
1 x PCIe 3.0 x16 (x16 mode)
2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics Processors
1 x PCIe 3.0 x16 (x8 mode)
AMD Athlon with Radeon Vega Graphics Processors
1 x PCIe 3.0 x16 (x4 mode)
AMD B450 chipset
2 x PCIe 2.0 x1
M.2 Socket Total supports 1 x M.2 slot(s) and 4 x SATA 6Gb/s ports
3rd/2nd/1st Gen AMD Ryzen/ 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics :
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCI-E 3.0 x 4 mode)
Athlon with Radeon Vega Graphics Processors :
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)
AMD B450 chipset :
4 x SATA 6Gb/s port(s),
Support Raid 0, 1, 10

 

Memory

Type Dual Channel DDR4 Memory Technology
Slots 2 x DIMM
Supported Memory 4400(O.C)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/ 3400(O.C.)/3300(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.) / 2666/2400/2133 MHz Un-buffered Memory
Maximum Memory 64GB

 

Graphics

Graphics Integrated Graphics in the 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics/ Athlon with Radeon Vega Graphics Processors
1 x D-Sub
1 x DVI-D
1 x HDMI 2.0b

 

Connector & Ports

HDMI 1 x HDMI 2.0b
D-Sub (s) 1 x D-Sub
DVI-D (s) 1 x DVI-D
USB (s) Rear USB Port ( Total 6 )
4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
2 x USB 2.0 port(s)(2 x Type-A)
Front USB Port ( Total 6 )
2 x USB 3.2 Gen 1 port(s)
4 x USB 2.0 port(s)
LAN Port (s) Realtek RTL8111H
ASUS LANGuard
Supported Storage Total supports 1 x M.2 slot(s) and 4 x SATA 6Gb/s ports
3rd/2nd/1st Gen AMD Ryzen/ 2nd and 1st Gen AMD Ryzen with Radeon Vega Graphics :
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCI-E 3.0 x 4 mode)
Athlon with Radeon Vega Graphics Processors :
1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA mode)
AMD B450 chipset :
4 x SATA 6Gb/s port(s),
Support Raid 0, 1, 10
Audio Realtek ALC887/897 7.1-Channel High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
Audio Feature :
- LED-illuminated design
- Audio Shielding
- Dedicated audio PCB layers
- Premium Japanese audio capacitors
Choose the chassis with an HD audio module in the front panel to support 8-channel audio output.
Internal I/O Ports 1 x CPU Fan connector(s) (1 x 4 -pin)
1 x Chassis Fan connector(s) (1 x 4 -pin)
1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) (19-pin)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode)
1 x SPI TPM header
1 x COM port(s) connector(s)
4 x SATA 6Gb/s connector(s)
1 x S/PDIF out header(s)
1 x 24-pin EATX Power connector(s)
1 x 8-pin ATX 12V Power connector(s)
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s)
1 x Clear CMOS jumper(s)
1 x COM port header
1 x Speaker connector
TPM (Trusted Platform Module ) 1 x SPI TPM header

 

Warranty

Warranty 3 years

Description

Asus Prime B450M-A II AM4 Micro-ATX AMD Motherboard 

The Asus Prime B450M-A II AM4 Micro-ATX AMD Motherboard delivers an excellent balance of performance, reliability, and affordability for PC builders. Designed around the AMD B450 chipset, it supports AMD Ryzen 5000, 4000 G-Series, and 3000 Series desktop processors, providing strong performance for productivity, multimedia, and light gaming. Its Micro-ATX form factor ensures compatibility with compact cases while still offering a rich set of features and expansion options.

The Asus Prime B450M-A II supports DDR4 memory up to 128GB through its four DIMM slots, with speeds reaching up to 4400MHz (OC) for fast multitasking and system responsiveness. For storage, it includes an M.2 slot for ultra-fast NVMe SSDs and four SATA 6Gb/s ports, enabling a mix of high-speed and large-capacity storage solutions.

Connectivity is robust, with USB 3.2 Gen 1 Type-A ports for faster data transfer, HDMI, DVI-D, and D-Sub outputs supporting multiple display configurations, and Realtek 1Gb Ethernet ensuring stable wired network connectivity. The PCIe 3.0 x16 slot supports dedicated GPUs, while additional PCIe and PCI slots allow for further expansion.

The Asus Prime B450M-A II Motherboard features ASUS 5X Protection III for enhanced durability, safeguarding the system with overvoltage protection, safe slot reinforcement, and surge resistance. Its Fan Xpert software enables precise control of fan speeds for optimized cooling and quiet operation, while the PCH heatsink helps maintain stable thermal performance.

For superior audio, it’s equipped with Realtek 8-channel HD Audio and audio shielding, offering clear and immersive sound for both gaming and media use. The motherboard also includes PCIe slot lighting control for a subtle aesthetic touch.

Building with the Asus Prime B450M-A II is simple and reliable, thanks to features like BIOS FlashBack, allowing users to easily update BIOS even without a CPU or memory installed. It combines thoughtful engineering and easy customization with the rock-solid stability ASUS motherboards are known for.

Whether you're assembling your first PC or upgrading your existing system, the Asus Prime B450M-A II AM4 Micro-ATX Motherboard provides excellent value, dependable performance, and room for future expansion.

Price in Bangladesh: 9,100৳
Buy the Asus Prime B450M-A II AM4 Micro-ATX AMD Motherboard from Tech Buy. Order online or visit your nearest showroom to get yours at the best price. This product includes a 3-year warranty.

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