We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Compare 3 products

Close
ASRock B450M-HDV Motherboard
ASRock B450M-HDV
Close
Asus Prime B450M-A Motherboard
Asus Prime B450M-A
Close
MSI B450M Pro-M2 Motherboard
MSI B450M Pro-M2
Editiorial reviews
1
1 editorial reviews
ASUS isn't always known for their bang for buck, but the ASUS PRIME B450M-K is a perfect example of it. Here's our review of this great entry-level board.Read more
Read editorial reviews
User rating
49
3.9 out of 5
49 user ratings
5 stars
32 %
4 stars
32 %
3 stars
24 %
2 stars
8 %
1 stars
2 %
78
3.7 out of 5
78 user ratings
5 stars
24 %
4 stars
32 %
3 stars
30 %
2 stars
11 %
1 stars
1 %
42
4.4 out of 5
42 user ratings
5 stars
47 %
4 stars
40 %
3 stars
11 %
2 stars
0 %
1 stars
0 %

General

Motherboard typeMicro-ATXMicro-ATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4

Memory

Supported memory bus clock
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 2400 MHz
  • 2133 MHz
  • 2666 MHz
  • 2800 MHz
  • 3000 MHz
  • 3200 MHz
  • 2400 MHz
  • 1866 MHz
  • 2133 MHz
  • 2667 MHz
  • 2800 MHz
  • 2933 MHz
  • 3000 MHz
  • 2667 MHz
  • 3200 MHz
  • 3466 MHz
  • 3066 MHz
RAM technologyDDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMM
Maximum RAM size32 GB64 GB32 GB
Number of memory slots242
Memory channelsDualDualDual
Unbuffered memory
N/A
yesyes
ECC
N/A
yes
N/A
Non-ECC
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC887Realtek ALC887Realtek ALC887
Audio output channels7.17.17.1

Graphics

DirectX version12.0
N/A
N/A
Maximum resolution
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
Number of displays supported3
N/A
N/A

Technical details

Compatible processor seriesAMD RyzenAMD RyzenAMD Ryzen
Maximum number of processors111
Maximum number of SMP processors
N/A
11

BIOS

BIOS typeUEFI AMIUEFI AMIUEFI AMI
BIOS features
  • Multilingual BIOS
  • JumperFree
  • SMBIOS 2.3 support
  • UEFI BIOS
  • ACPI 5.1 support
  • Multilingual BIOS
  • ASUS Quiet Thermal Solution
  • UEFI BIOS
  • ASUS EZ Flash 3
  • ACPI 6.1 support
  • SMBIOS 3.1 support
N/A
BIOS memory size128.0 mB128.0 mB128.0 mB
System Management BIOS (SMBIOS) version2.33.12.8
ACPI version5.16.15.0

Internal I/O ports

CPU fan connectoryesyesyes
Number of chassis fan connectors121
12V power connectoryesyesyes
ATX Power connector (24-pin)YYY
TPM connectoryesyesyes
Number of SATA III connectors464
S/PDIF out connector
N/A
yes
N/A
Number of COM connectors
N/A
1
N/A
Number of EATX power connectors
N/A
1
N/A
Front panel connector
N/A
yesyes
Serial port headers
N/A
N/A
1
Number of SATA connectors
N/A
N/A
2

Rear panel I/O ports

HDMI ports quantity111
Ethernet LAN (RJ-45) ports111
PS/2 ports quantity121
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity444
VGA (D-Sub) ports quantity111
DVI-D ports quantity111
HDMI version
N/A
2.0b1.4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
N/A
2
N/A

Network

Ethernet LAN (Network)yesyesyes
LAN controllerRealtek RTL8111HRealtek RTL8111HRealtek 8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit Ethernet

Dimensions

Width9.09 in9.61 in9.61 in
Depth8.11 in9.45 in8.11 in

Often compared with ASRock B450M-HDV

Often compared with Asus Prime B450M-A