
Page 1 of 6.
The specification and pictures are subject to change without notice and the package contents may differ by area or your
motherboard version!
B450MH 6.x
•
• Support AMD Ryzen CPU / APU
• AMD B450 single chip architecture
• Support 2-DIMM DDR4-1866/ 2133/ 2400/
2667/ 2933/ 3200(OC)
• Support Realtek Gigabit LAN
• Support USB 3.1 Gen1
• Support M.2(32Gb/s)
• Support HDMI, VGA Ports
• AMD A-series APU / Ryzen CPU / NPU for Socket AM4
• Maximum CPU TDP (Thermal Design Power) : 105Watt
• Support Dual Channel DDR4 1866/ 2133/ 2400/ 2667/ 2933/
3200(OC) MHz
• 2 x DDR4 DIMM Memory Slot
• Max. Supports up to 32GB Memory
• Each DIMM supports non-ECC 8/16 GB DDR4 module
• 4 x SATA3 Connectors (6Gb/s) : <br> - Supports AHCI &
RAID 0, 1, 10
• 1 x M.2 Key M 32Gb/s Connector: <br> - Supports PCI-E &
SATA SSD (Ryzen series - Summit Ridge / Pinnacle Ridge / Raven
Ridge)<br> - Supports SATA SSD (A-series APU - Bristol
Ridge)
• Realtek RTL8111H - 10/100/1000Mb/s Controller
• Realtek ALC887 7.1-Channel Audio

Page 2 of 6.
The specification and pictures are subject to change without notice and the package contents may differ by area or your
motherboard version!
• 6 x USB 3.1 Gen1 Ports (5Gb/s) (4 on rear I/Os and 2 via internal
headers)
• 6 x USB 2.0 Port(2 on rear I/Os and 4 via internal headers)
• 1 x PCI-E 3.0 x16 Slot
• 2 x PCI-E 2.0 x1 Slots
• 1 x PS/2 Keyboard/Mouse
• 4 x USB 3.1 Gen1 (5Gb/s) Ports
• 2 x USB 2.0 Ports
• 1 x HDMI Connector ,resolution up to 4096 x 2160@24Hz,
compliant with HDMI 1.4
• 1 x VGA Port ,resolution up to 1920 x 1200 @60Hz
• 1 x LAN port
• 3 x Audio Jacks
• 1 x USB 3.1 Gen1 Header(5Gb/s) (each header supports 2 USB 3.1
Gen1 ports)
• 2 x USB 2.0 Headers (each header supports 2 USB 2.0 ports)
• 4 x SATA3 6Gb/s Connectors
• 1 x Front Audio Header
• 1 x Front Panel Header
• 1 x CPU Fan Connector
• 1 x System Fan Connector
• 1 x 8-Pin Power Connector
• 1 x 24-Pin Power Connector
• 1 x Clear CMOS Header
• 1 x COM Port Header
• Micro ATX Form Factor Dimension: 19.754cm x 24.395cm ( W x L )
• Support Windows 7(64bit) / 10(64bit)
• ※Biostar reserves the right to add or remove support for any OS

Page 3 of 6.
The specification and pictures are subject to change without notice and the package contents may differ by area or your
motherboard version!
• 2 x SATA Cable
• 1 x I/O Shield
• 1 x DVD Driver
• 1 x Quick Guide
HD Audio
Provides high quality sound with minimal loss of audio fidelity.
DX12
DirectX 12 introduces the next version of Direct3D, the graphics API at
the heart of DirectX. Direct3D is one of the most critical pieces of a game
or game engine, and we've redesigned it to be faster and more efficient
than ever before. Direct3D 12 enables richer scenes, more objects, and
full utilization of modern GPU hardware.
Integrated HDMI with HDCP
Onboard HDMI connector allows full video & audio support. It has
industry-leading high definition video quality.

Page 4 of 6.
The specification and pictures are subject to change without notice and the package contents may differ by area or your
motherboard version!
USB 3.1 Gen 1 Type-A
Experience Fastest data transfers at 5 Gbps with USB 3.1 Gen 1--the
new latest connectivity standard. Built to connect easily with nextgeneration components and peripherals, USB 3.1 Gen 1 transfers data
10X faster and backward compatible with previous USB 2.0
components.
PCIe M.2
PCIe M.2 32Gb/s is the latest storage interface, it delivers the highest
bandwidth and lower latency. It's 3 times faster compared with PCIe M.2
10Gb/s.
SmartSpeedLAN
SmartSpeedLAN is a free software application which monitors and
manages your PC's network behavior. With user-friendly GUI, it allows
you to select and prioritize different types of network traffic, including
gaming, media streaming, communications or web surfing.You can also
set any specific applications, choosing to prioritize or block accordingly.
SmartSpeedLAN can feature automatic management options that use
adaptive networking intelligence to ensure that you are getting the best
online experience possible.
SATAIII 6Gbps
SATAIII 6Gbps provides a higher bandwidth to retrieve and transfer HD
media. With this super speed data transfer, SATAIII allows an incredible
data boost which is 2x faster than the SATA 3G.
ESD Protection
ESD (Electrostatic Discharge) is the major factor to destroy PC by
electrical overstress(EOS) condition, ESD occurred by PC users when
touch any devices connect to PC, which may result in damage to

Page 5 of 6.
The specification and pictures are subject to change without notice and the package contents may differ by area or your
motherboard version!
motherboard or parts .ESD protection is designed to protect the
motherboard and equipment from damage by EOS
USB Polyswitch
On board dedicated power fuse to help prevent USB port failure. It
prevents USB Port overcurrent and safegurand your system and device
lifespan.
OC / OV / OH Protection
All BIOSTAR special circuit design detects overvoltage conditions and
prevents voltage surges from spreading in real time. It also actively cuts
off the overvoltage supply to protect your system. Over current
protection, avoid motherboard from damage when doing overclock or an
unusual current import. Over heat protection, avoid motherboard & CPU
from burning when exceeding the temperature limitation.
BullGuard Internet Security (90 days FREE trial)
BullGuard Internet Security comes with the broadest line-up of internet
security features on the market, including: a cutting-edge dual Antivirus
engine, Online Backup for your precious files, PC Tune Up to speed up
your system, a Game Mode for a seamless gaming experience, Parental
Control, Firewall, Safe Browsing and many more. Make the most of your
digital life with Bullguard!
BIO-Flasher
Update BIOS effortlessly from a USB flash disk before entering the OS.
BIO-Flasher is a convenient BIOS update tool. Just launch this tool and
put the BIOS on USB pen driver before entering the OS. You can update
your BIOS with only a few clicks without preparing an additional floppy
disk or other complicated flash utility.

Page 6 of 6.
The specification and pictures are subject to change without notice and the package contents may differ by area or your
motherboard version!
eHot-Line Utiltiy
Integrated e-service automatically sends your technical support request
to Biostar Globe tech support without any delay.
BIOScreen Utility
Personalize your desktop with customizable boot logo. BIOScreen is the
new feature that lets you personalize and create your own style with
unique, custom-made boot logo.
AMD B450 chipset
AMD B450 is the high-end chipset for overclockers and tweakers who
need robust platforms. This chip provides the ultimate low-level control
to its users and delivers ultimate graphics card bandwidth.