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 4 products

Close
ASRock B450 Steel Legend Motherboard
ASRock B450 Steel Legend
Close
Asus TUF B450M-PLUS Gaming Motherboard
Asus TUF B450M-PLUS Gaming
Close
MSI B450 Gaming PLUS MAX Motherboard
MSI B450 Gaming PLUS MAX
Close
MSI B450M Mortar Motherboard
MSI B450M Mortar
Editiorial reviews
5
5 editorial reviews
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
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
If you're looking for a feature-rich B450 motherboard under £100, the ASRock B450 Steel Legend may be the option for you. Check out what we thought....Read more
Read editorial reviews
1
1 editorial reviews
Read the in depth Review of ASUS TUF B450M-PLUS GAMING PC Components. Know detailed info about ASUS TUF B450M-PLUS GAMING configuration, design and performance quality along with pros & cons, Digit rating, verdict based on user opinions/feedback.Read more
Read editorial reviews
3
3 editorial reviews
MSi B450M Mortar (Electronic): 4.8 out of 5 stars from 6 genuine reviews on Australia's largest opinion site ProductReview.com.au.Read more
B450M Mortar We haven't seen many B450 motherboards in for review since they launched, so today is a good day. I have in my hands, the B450M Mortar from MSI. We loved their B350 version which joined us with the previous Ryzen launches, and they should be a nice upgrade for it. It's still pretty much the same design, but a few nips and tweaks are included. Of course, it comes with the right BIOS out of the box too, making it compatible with Ryzen 2000 series CPUs and more. There haven't been many mATX Ryzen motherboards either, so it'sRead more
As a spin-off for this month's Labs test, we've also included MSI's B450M Mortar micro-ATX motherboard in the roundup. It first appears to be a B450 TomahawkRead more
Read editorial reviews
User rating
63
3.7 out of 5
63 user ratings
5 stars
23 %
4 stars
39 %
3 stars
25 %
2 stars
9 %
1 stars
1 %
43
3.9 out of 5
43 user ratings
5 stars
20 %
4 stars
48 %
3 stars
30 %
2 stars
0 %
1 stars
0 %
43
4.0 out of 5
43 user ratings
5 stars
39 %
4 stars
30 %
3 stars
25 %
2 stars
4 %
1 stars
0 %
38
4.2 out of 5
38 user ratings
5 stars
39 %
4 stars
42 %
3 stars
15 %
2 stars
2 %
1 stars
0 %

General

Motherboard typeATXMicro-ATXATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4

Memory

Supported memory bus clock
  • 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
  • 3733 MHz
  • 3866 MHz
  • 4000 MHz
  • 4133 MHz
  • 3066 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 typeDIMMDIMM
N/A
DIMM
Maximum RAM size64 GB64 GB64 GB64 GB
Number of memory slots44
N/A
N/A
Unbuffered memoryyesyes
N/A
N/A
Memory channelsDualDual
N/A
Dual
Non-ECCyes
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC892Realtek ALC887-VD2Realtek ALC892Realtek ALC892
Audio output channels7.17.1
N/A
7.1

Technical details

Compatible processor seriesAMD AAMD Ryzen
N/A
AMD Ryzen
Maximum number of processors1111
Maximum number of SMP processors11
N/A
1

BIOS

BIOS typeUEFI AMIUEFI AMI
N/A
N/A
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
MSI ClickBIOS 5
  • BIOS FlashBack+
  • MSI ClickBIOS 5
BIOS memory size128.0 mB128.0 mB
N/A
N/A
System Management BIOS (SMBIOS) version2.33.1
N/A
N/A
ACPI version5.16.1
N/A
N/A

Dimensions

Width12.01 in9.61 in12.01 in9.61 in
Depth9.61 in9.61 in9.61 in9.61 in

Often compared with ASRock B450 Steel Legend

Often compared with Asus TUF B450M-PLUS Gaming

Often compared with MSI B450 Gaming PLUS MAX