Small motherboard with big features

14th of August 2020, Taipei, Taiwan – BIOSTAR, a leading brand of motherboards, graphics cards, and storage devices, today proudly announces the B450NH Mini-ITX motherboard. 

Designed based on AMD’s B450 single chip architecture, the new B450NH motherboard from BIOSTAR is sleek and convenient, coming in a Mini-ITX form factor suitable for builds with smaller footprint that saves desk space as well as being easy to move around.

The BIOSTAR B450NH motherboard carries AMD’s AM4 socket built to support the latest and greatest AMD Ryzen CPU / APU range, with features like PCIe M.2 32Gb/s delivering 5 times faster bandwidth under lower latency compared to SATA III 6Gb/s further enhancing the potential of this amazing motherboard.


Suitable for many applications like casual content consumption or gaming, the B450NH motherboard is packed with all the essential tools to be a great platform for many applications with features like the capability to support up to 64Gb of DDR4 RAM on 2DIMMS with 4000MHz OC capability.

The latest USB 3.2 Gen1 is also present in the B450NH motherboard delivering extraordinary performance boosts with lightning fast data transfer speeds reaching up to 5Gbps and is backward compatible with older devices as well as technology like SATA III 6Gbps which provides 2x faster bandwidth than the old SATA 3G providing extremely fast data transfer rates capable of retrieving and transferring HD media with incredible precision.

The B450NH motherboard also carries HDMI 4K2K port which supports up to 4K resolution enabling new high-definition image displays with four times the resolution of Full HD, which express bright and highly detailed content that fills the entire screen with lifelike images allowing users to enjoy high definition TV shows and movies online such as YouTube or Netflix with the HDMI output.

When it comes to Rear I/O, the B450NH contains a fully packed rear I/O panel providing multiple connectivity options like 4 x USB 3.2 (Gen1) ports, 2x USB 2.0 ports as well as 1 x PS/2 Keyboard and mouse port and a standard D-Sub output port complementary to its already exceptional HDMI 4K2K port. Additionally, the B450NH also has 3 x audio ports that run on Realtek ALC887 architecture which delivers 7.1 Channels, High Definition Audio as well as a LAN port that comes with Realtek Gigabit LAN technology capable of providing fast lossless network connectivity.

In conclusion, the B450NH motherboard from BIOSTAR is a great option for users looking for a stable base platform for their new AMD Ryzen build, with amazing features and reliable BIOSTAR excellence, it is undoubtedly one of the best choices in the market for a daily driver PC used for casual content consumption, HTPC, gaming or even office use. 


Key Features:


  • DDR4 Memory delivers higher performance, higher DIMM capacities, improved data integrity and lower power consumption.
  • Capable of supporting up to 64GB maximum capacity and up to 4000(OC) MHz of DDR4 memory for multi-applications and better performance.

PCIe M.2 32Gb/s

  • PCIe M.2 32Gb/s is the latest storage interface, it delivers the highest bandwidth and lower latency. It’s 5 times faster compared with SATA III 6Gb/s.


  • SATA III 6Gbps provides a higher bandwidth to retrieve and transfer HD media. With this super speed data transfer, SATA III allows an incredible data boost which is 2x faster than the SATA 3G.

USB 3.2 Gen 1

  • USB 3.2 Gen1 delivers compelling performance boosts and can be used to connect multiple devices without worrying about compatibility. It is capable of data transfer speeds up to 5Gbps and backward compatible with all existing USB products.


  • The new 4K2K resolution enables high-definition image display with four times the resolution of full HD, 4K2K display is faithfully expressing bright and highly detailed content that fills the entire screen with lifelike images. Enjoying TV shows and movies online such as YouTube or Netflix through HDMI connector.



Spec table:


AMD B450


Socket AM4 supports AMD Ryzen APU (Bristol Ridge, Raven Ridge, Picasso)/Ryzen CPU (Summit Ridge, Pinnacle Ridge, Matisse) processors

*Please refer to www.biostar.com.tw for CPU support list.


Supports Dual Channel DDR4 1866/ 2133/ 2400/ 2667

Supports Dual Channel DDR4 2933(OC)/ 3200(OC)/ 3600(OC)/ 4000(OC)

2 x DDR4 DIMM Memory Slots, Max. Supports up to 64 GB Memory

Each DIMM supports non-ECC and ECC Un-buffered 8/ 16/ 32 GB DDR4 module

*DDR4 - 2667 only for Ryzen CPU

*Please refer to www.biostar.com.tw for Memory support list.


By CPU model

Supports DX12

Supports HDCP


4 x SATA III Connectors (6Gb/s): Supports AHCI and RAID 0, 1, 10

1 x M.2 (M Key) Socket:

Supports M.2 Type 2260/ 2280 SSD module

Supports PCIe 3.0 x 4 (32Gb/s) – NVMe/AHCI SSD

Supports SATA III (6.0Gb/s) SSD

*M.2 (M Key) Socket: The Birstol Ridge and Raven Ridge 2 CPU are only support SATA SSD.


Realtek RTL8111H

10/ 100/ 1000 Mb/s auto negotiation, Half / Full duplex capability



7.1 Channels, High Definition Audio


6 x USB 3.2 (Gen1) ports (4 on rear I/Os and 2 via internal headers)

4 x USB 2.0 ports (2 on rear I/Os and 2 via internal headers)


1x PCIe 3.0 x 16 Slot:

Supports PCIe 3.0 x 16 mode with AMD Ryzen processors

Supports PCIe 3.0 x 8 mode with AMD Ryzen with Radeon Vega Graphics processors

*According to different CPUs will have different speeds.


1 x PS/2 Mouse/ Keyboard Port

1 x HDMI Port

1 x VGA Port

1 x LAN port

4 x USB 3.2 (Gen1) Ports

2 x USB 2.0 Ports

3 x Audio Jack


4 x SATA III 6.0Gb/s Connectors

1 x USB 2.0 Header (each header supports 2 USB 2.0 ports)

1 x USB 3.2 (Gen1) Header (each header supports 2 USB 3.2 (Gen1) ports)

1 x 4-Pin Power Connector

1 x 24-Pin Power Connector

1 x CPU Fan Connector

1 x System Fan Connector

1 x Front Panel Header

1 x Front Audio Header

1 x Clear CMOS Header

1 x Internal Stereo Speaker Header

1 x COM Port Header

1 x S/PDIF out Connector


CPU/System Temperature Monitoring

CPU/System Fan Monitoring

Smart/Manual CPU Fan Control

CPU/DDR Voltage Monitoring


Mini ITX Form Factor Dimension: 17cm x 17cm ( W x L )


Supports Windows 7(64it)/ 10(64bit)

*BIOSTAR reserves the right to add or remove support for any OS with or without notice.




2 x SATA Cables

1 x I/O Shield

1 x DVD Driver

1 x Quick Guide


Learn more about BIOSTAR B450NH:



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BIOSTAR, is a brand dedicated to the production of motherboards, gaming motherboards, SSD, graphics cards, industrial computing systems, IoT, crypto mining equipment, and healthcare solution. Since its establishment in 1986, BIOSTAR has become a major motherboard supplier in the IT industry. In order to pursue the best quality and aesthetic design, BIOSTAR has invested heavily in ID design, equipment, global marketing research as well as R&D. With a constant emphasis on quality, BIOSTAR always seeks to improve beyond better and race to the future.