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Compare 4 products

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ASRock AB350M-HDV Motherboard
ASRock AB350M-HDV
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ASRock B450M-HDV Motherboard
ASRock B450M-HDV
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Asus Prime B450M-A Motherboard
Asus Prime B450M-A
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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
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User rating
36
4.1 out of 5
36 user ratings
5 stars
38 %
4 stars
36 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
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-ATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4

Memory

Supported memory bus clock
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 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 technologyDDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMM
Maximum RAM size32 GB32 GB64 GB32 GB
Number of memory slots2242
Unbuffered memoryyes
N/A
yesyes
Memory channelsDualDualDualDual
ECCyes
N/A
yes
N/A
Non-ECCyes
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC887Realtek ALC887Realtek ALC887Realtek ALC887
Audio output channels7.17.17.17.1

Graphics

Maximum resolution
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
Number of displays supported33
N/A
N/A
HDCPyes
N/A
N/A
N/A
DirectX version
N/A
12.0
N/A
N/A

Technical details

Compatible processor seriesAMD AAMD RyzenAMD RyzenAMD Ryzen
Maximum number of processors1111
Maximum number of SMP processors1
N/A
11

BIOS

BIOS typeUEFIUEFI AMIUEFI AMIUEFI AMI
BIOS features
  • JumperFree
  • SMBIOS 2.3 support
  • UEFI BIOS
  • 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
ACPI version5.15.16.15.0
BIOS memory size
N/A
128.0 mB128.0 mB128.0 mB
System Management BIOS (SMBIOS) version
N/A
2.33.12.8

Internal I/O ports

Number of COM connectors1
N/A
1
N/A
CPU fan connectoryesyesyesyes
Number of chassis fan connectors2121
12V power connectoryesyesyesyes
ATX Power connector (24-pin)YYYY
TPM connectoryesyesyesyes
Number of SATA III connectors4464
S/PDIF out connector
N/A
N/A
yes
N/A
Number of EATX power connectors
N/A
N/A
1
N/A
Front panel connector
N/A
N/A
yesyes
Serial port headers
N/A
N/A
N/A
1
Number of SATA connectors
N/A
N/A
N/A
2

Rear panel I/O ports

Microphone inputyes
N/A
N/A
N/A
Headphone outputs1
N/A
N/A
N/A
HDMI ports quantity1111
Ethernet LAN (RJ-45) ports1111
PS/2 ports quantity2121
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity6444
VGA (D-Sub) ports quantity1111
DVI-D ports quantity1111
HDMI version
N/A
N/A
2.0b1.4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
N/A
N/A
2
N/A

Network

Ethernet LAN (Network)yesyesyesyes
LAN controllerRealtek RTL8111GRRealtek RTL8111HRealtek RTL8111HRealtek 8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit EthernetGigabit Ethernet

Dimensions

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

Often compared with ASRock B450M-HDV

Often compared with Asus Prime B450M-A