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ASRock B450 Steel Legend Motherboard
ASRock B450 Steel Legend
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Asus TUF B450M-PLUS Gaming Motherboard
Asus TUF B450M-PLUS Gaming
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MSI B450 Tomahawk Motherboard
MSI B450 Tomahawk
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
5
4.2 out of 5
3 user ratings
5 stars
33 %
4 stars
66 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
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 %
48
4.0 out of 5
48 user ratings
5 stars
31 %
4 stars
39 %
3 stars
25 %
2 stars
4 %
1 stars
0 %

General

Motherboard typeATXMicro-ATXATX
Processor socketSocket AM4Socket AM4Socket AM4
Cooling type
N/A
N/A
Passive

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
  • 3066 MHz
RAM technologyDDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMM
Maximum RAM size64 GB64 GB64 GB
Number of memory slots444
Unbuffered memoryyesyes
N/A
Memory channelsDualDualDual
Non-ECCyes
N/A
yes
ECC
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC892Realtek ALC887-VD2Realtek ALC892
Audio output channels7.17.17.1

Graphics

DirectX version12.0
N/A
N/A
Parallel processing technology support
  • CrossFireX
  • Quad-GPU CrossFireX
CrossFireX2-Way CrossFireX
Maximum resolution
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
HDCPyes
N/A
N/A

Technical details

Compatible processor seriesAMD AAMD RyzenAMD Ryzen
Maximum number of processors111
Maximum number of SMP processors111

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

Internal I/O ports

Number of COM connectors11
N/A
CPU fan connectoryesyesyes
12V power connectoryesyes
N/A
ATX Power connector (24-pin)YYY
TPM connectoryes
N/A
yes
Number of SATA III connectors666
Number of EATX power connectors
N/A
1
N/A
Number of chassis fan connectors
N/A
24
Front panel connector
N/A
yesyes
Serial port headers
N/A
N/A
1
EPS power connector (8-pin)
N/A
N/A
yes
RGB LED pin header
N/A
N/A
yes

Rear panel I/O ports

S/PDIF out portyes
N/A
N/A
HDMI ports quantity111
HDMI version1.42.0b1.4
Ethernet LAN (RJ-45) ports111
PS/2 ports quantity111
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity111
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity111
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
N/A
2
DisplayPorts quantity1
N/A
N/A
DisplayPort version1.2
N/A
N/A
DVI-D ports quantity
N/A
11
Microphone input
N/A
N/A
yes
Headphone outputs
N/A
N/A
1

Network

Wi-Fino
N/A
N/A
Ethernet LAN (Network)yesyesyes
LAN controllerRealtek 8111HRealtek RTL8111HRealtek RTL8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit Ethernet

Dimensions

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