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 3 products

Close
ASRock B450 Steel Legend Motherboard
ASRock B450 Steel Legend
Close
MSI B450 Tomahawk Motherboard
MSI B450 Tomahawk
Close
MSI B450M Bazooka Motherboard
MSI B450M Bazooka
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
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 %
44
4.3 out of 5
44 user ratings
5 stars
47 %
4 stars
29 %
3 stars
22 %
2 stars
0 %
1 stars
0 %

General

Motherboard typeATXATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4
Cooling type
N/A
PassivePassive

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
  • 2667 MHz
  • 2800 MHz
  • 2933 MHz
  • 3000 MHz
  • 2667 MHz
  • 3200 MHz
  • 3466 MHz
RAM technologyDDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMM
Maximum RAM size64 GB64 GB64 GB
Number of memory slots444
Unbuffered memoryyes
N/A
N/A
Memory channelsDualDualDual
Non-ECCyesyesyes
ECC
N/A
yesyes

Audio properties

Audio codecRealtek ALC892Realtek ALC892Realtek ALC892
Audio output channels7.17.17.1

Graphics

DirectX version12.0
N/A
N/A
Parallel processing technology support
  • CrossFireX
  • Quad-GPU CrossFireX
2-Way CrossFireX
N/A
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
  • BIOS FlashBack+
  • MSI ClickBIOS 5
MSI ClickBIOS 5
BIOS memory size128.0 mB
N/A
N/A
System Management BIOS (SMBIOS) version2.3
N/A
N/A
ACPI version5.1
N/A
N/A

Internal I/O ports

Number of COM connectors1
N/A
N/A
CPU fan connectoryesyesyes
12V power connectoryes
N/A
N/A
ATX Power connector (24-pin)YYY
TPM connectoryesyesyes
Number of SATA III connectors664
Serial port headers
N/A
11
Number of chassis fan connectors
N/A
42
EPS power connector (8-pin)
N/A
yesyes
RGB LED pin header
N/A
yesyes
Front panel connector
N/A
yesyes

Rear panel I/O ports

S/PDIF out portyes
N/A
N/A
HDMI ports quantity111
HDMI version1.41.4
N/A
Ethernet LAN (RJ-45) ports111
PS/2 ports quantity111
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity11
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity11
N/A
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity424
DisplayPorts quantity1
N/A
N/A
DisplayPort version1.2
N/A
N/A
Microphone input
N/A
yesyes
Headphone outputs
N/A
11
DVI-D ports quantity
N/A
11

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

Often compared with ASRock B450 Steel Legend

Often compared with MSI B450 Tomahawk