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ASRock B450 Steel Legend Motherboard
ASRock B450 Steel Legend
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MSI B450 Tomahawk Motherboard
MSI B450 Tomahawk
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MSI MPG X570 Gaming PLUS Motherboard
MSI MPG X570 Gaming PLUS
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
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
2
2 editorial reviews
MSi MPG X570 Gaming PLUS: 4.7 out of 5 stars from 3 genuine reviews on Australia's largest opinion site ProductReview.com.au.Read more
The best cheap X570 option we’ve tested yet.Read 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 %
48
4.0 out of 5
48 user ratings
5 stars
31 %
4 stars
39 %
3 stars
25 %
2 stars
4 %
1 stars
0 %
48
4.1 out of 5
48 user ratings
5 stars
39 %
4 stars
33 %
3 stars
22 %
2 stars
4 %
1 stars
0 %

General

Motherboard typeATXATXATX
Processor socketSocket AM4Socket AM4Socket AM4
Cooling type
N/A
Passive
N/A

Memory

Supported memory bus clock
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 3466 MHz
  • 3533 MHz
  • 2400 MHz
  • 1866 MHz
  • 2133 MHz
  • 2667 MHz
  • 2800 MHz
  • 2933 MHz
  • 3000 MHz
  • 2667 MHz
  • 3200 MHz
  • 3466 MHz
  • 3066 MHz
  • 2400 MHz
  • 1866 MHz
  • 2133 MHz
  • 2666 MHz
RAM technologyDDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMM
Maximum RAM size64 GB64 GB128 GB
Number of memory slots444
Unbuffered memoryyes
N/A
yes
Memory channelsDualDualDual
Non-ECCyesyesyes
ECC
N/A
yesyes

Audio properties

Audio codecRealtek ALC892Realtek ALC892Realtek ALC1220
Audio output channels7.17.17.1

Graphics

DirectX version12.0
N/A
N/A
Parallel processing technology support
  • CrossFireX
  • Quad-GPU CrossFireX
2-Way 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

Internal I/O ports

Number of COM connectors1
N/A
N/A
CPU fan connectoryesyesyes
12V power connectoryes
N/A
yes
ATX Power connector (24-pin)YYY
TPM connectoryesyesyes
Number of SATA III connectors666
Serial port headers
N/A
11
Number of chassis fan connectors
N/A
44
EPS power connector (8-pin)
N/A
yes
N/A
RGB LED pin header
N/A
yesyes
Front panel connector
N/A
yesyes

Rear panel I/O ports

S/PDIF out portyes
N/A
yes
HDMI ports quantity111
HDMI version1.41.41.4
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 quantity113
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity422
DisplayPorts quantity1
N/A
N/A
DisplayPort version1.2
N/A
N/A
Microphone input
N/A
yes
N/A
Headphone outputs
N/A
1
N/A
DVI-D ports quantity
N/A
1
N/A
Digital audio optical out
N/A
N/A
1

Network

Wi-Fino
N/A
no
Ethernet LAN (Network)yesyesyes
LAN controllerRealtek 8111HRealtek RTL8111HRealtek RTL8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit Ethernet

Dimensions

Width12.01 in12.01 in11.97 in
Depth9.61 in9.61 in9.57 in

Often compared with ASRock B450 Steel Legend

Often compared with MSI B450 Tomahawk

Often compared with MSI MPG X570 Gaming PLUS