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 Pro4 Motherboard
ASRock B450 Pro4
Close
ASRock B450 Steel Legend Motherboard
ASRock B450 Steel Legend
Close
ASRock Fatal1ty B450 Gaming K4 Motherboard
Close
Asus TUF B450-PLUS Gaming Motherboard
Asus TUF B450-PLUS Gaming
Editiorial reviews
2
2 editorial reviews
We kick off our AMD B450 chipset reviews with the ASRock B450M Pro4 mATX motherboard, a budget option for those wanting an entry into the world of AMD Ryzen CPUs....Read more
Today we will present ASRock B450M Pro4 so a cheaper gaming motherboard which offers more than we could expect. Recently small motherboards are becoming more popular in gaming computers because they offer about as much ...Read more
Read editorial 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
2
2 editorial reviews
With all of the overclocking and less of the cost, can ASRock’s little Fatal1ty B450 Gaming-ITX/ac stand up to its X-series rivals?Read more
Today, we’ll be taking a look at the ASRock Fatal1ty B450 Gaming K4 Motherboard. This motherboard aimed at the mainstream market, and utilizes the latest AMD B450 chipset which is suitable for both 1st and 2nd ...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
User rating
62
3.9 out of 5
62 user ratings
5 stars
35 %
4 stars
30 %
3 stars
25 %
2 stars
6 %
1 stars
1 %
63
3.7 out of 5
63 user ratings
5 stars
23 %
4 stars
39 %
3 stars
25 %
2 stars
9 %
1 stars
1 %
39
4.1 out of 5
39 user ratings
5 stars
30 %
4 stars
46 %
3 stars
23 %
2 stars
0 %
1 stars
0 %
67
3.9 out of 5
67 user ratings
5 stars
37 %
4 stars
29 %
3 stars
23 %
2 stars
5 %
1 stars
2 %

General

Motherboard typeATXATXATXATX
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
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 2400 MHz
  • 2133 MHz
  • 2666 MHz
  • 2800 MHz
  • 3000 MHz
  • 3200 MHz
RAM technologyDDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMM
Maximum RAM size64 GB64 GB64 GB64 GB
Number of memory slots4444
Memory channelsDualDual
N/A
Dual
Unbuffered memory
N/A
yes
N/A
yes
Non-ECC
N/A
yes
N/A
N/A
ECC
N/A
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC892Realtek ALC892Realtek ALC892Realtek ALC887-VD2
Audio output channels7.17.17.17.1

Graphics

DirectX version12.012.012.0
N/A
Maximum resolution
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
Number of displays supported3
N/A
3
N/A
Parallel processing technology support
N/A
  • CrossFireX
  • Quad-GPU CrossFireX
N/A
CrossFireX
HDCP
N/A
yes
N/A
N/A

Technical details

Compatible processor seriesAMD RyzenAMD AAMD RyzenAMD Ryzen
Maximum number of processors1111
Maximum number of SMP processors
N/A
1
N/A
1

BIOS

BIOS typeUEFI AMIUEFI AMIUEFI 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
  • 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 memory size128.0 mB128.0 mB128.0 mB128.0 mB
System Management BIOS (SMBIOS) version2.32.32.33.1
ACPI version5.15.15.16.1

Internal I/O ports

Number of COM connectors11
N/A
1
CPU fan connectoryesyesyesyes
12V power connectoryesyesyes
N/A
ATX Power connector (24-pin)YYYY
TPM connectoryesyesyes
N/A
Number of SATA III connectors6666
Number of chassis fan connectors
N/A
N/A
33
Number of EATX power connectors
N/A
N/A
N/A
1
Front panel connector
N/A
N/A
N/A
yes

Rear panel I/O ports

HDMI ports quantity1111
Ethernet LAN (RJ-45) ports1111
PS/2 ports quantity1111
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity111
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1112
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4442
VGA (D-Sub) ports quantity1
N/A
1
N/A
DisplayPorts quantity111
N/A
S/PDIF out port
N/A
yes
N/A
N/A
HDMI version
N/A
1.4
N/A
N/A
DisplayPort version
N/A
1.2
N/A
N/A
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
N/A
N/A
N/A
1
DVI-D ports quantity
N/A
N/A
N/A
1

Network

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

Dimensions

Width12.01 in12.01 in12.01 in12.01 in
Depth8.82 in9.61 in8.82 in9.61 in

Often compared with ASRock B450 Pro4

Often compared with ASRock B450 Steel Legend

Often compared with Asus TUF B450-PLUS Gaming