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Compare 4 products

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ASRock B450M-HDV Motherboard
ASRock B450M-HDV
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ASRock B450M Steel Legend Motherboard
ASRock B450M Steel Legend
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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
5
5 editorial reviews
The ASRock B450M Steel Legend is quite highly recommended for a budget AM4 board, and we just took it upon ourselves to see how good it truly is.Read more
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The Steel Legend series of motherboards according to ASRock represents the philosophical state of rock-solid durability and irresistible aesthetics. It’s built around most demanding specs and features, providing high quality components and materials to ensure ...Read more
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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
49
3.9 out of 5
49 user ratings
5 stars
32 %
4 stars
32 %
3 stars
24 %
2 stars
8 %
1 stars
2 %
80
3.8 out of 5
80 user ratings
5 stars
33 %
4 stars
23 %
3 stars
32 %
2 stars
6 %
1 stars
3 %
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
  • 2933 MHz
  • 3200 MHz
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 3466 MHz
  • 3533 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 typeDIMM
N/A
DIMMDIMM
Maximum RAM size32 GB64 GB64 GB32 GB
Number of memory slots2
N/A
42
Memory channelsDual
N/A
DualDual
Unbuffered memory
N/A
N/A
yesyes
ECC
N/A
N/A
yes
N/A
Non-ECC
N/A
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC887Realtek ALC892Realtek ALC887Realtek ALC887
Audio output channels7.1
N/A
7.17.1

Technical details

Compatible processor seriesAMD Ryzen
N/A
AMD RyzenAMD Ryzen
Maximum number of processors1111
Maximum number of SMP processors
N/A
N/A
11

BIOS

BIOS typeUEFI AMIAMIUEFI AMIUEFI AMI
BIOS features
  • Multilingual BIOS
  • JumperFree
  • SMBIOS 2.3 support
  • UEFI BIOS
  • ACPI 5.1 support
  • 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 mB
N/A
128.0 mB128.0 mB
System Management BIOS (SMBIOS) version2.3
N/A
3.12.8
ACPI version5.1
N/A
6.15.0

Dimensions

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

Often compared with ASRock B450M-HDV

Often compared with ASRock B450M Steel Legend

Often compared with Asus Prime B450M-A