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Compare 5 products

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ASRock B450 Pro4 Motherboard
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ASRock B450 Steel Legend Motherboard
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ASRock B450M PRO4 Motherboard
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ASRock Fatal1ty B450 Gaming K4 Motherboard
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Asus TUF B450-PLUS Gaming Motherboard

General

Motherboard typeATXATXMicro-ATXATXATX
Processor socketSocket AM4Socket 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
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 2400 MHz
  • 2133 MHz
  • 2666 MHz
  • 2800 MHz
  • 3000 MHz
  • 3200 MHz
RAM technologyDDR4DDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMMDIMM
Maximum RAM size64 GB64 GB64 GB64 GB64 GB
Number of memory slots44444
Memory channelsDualDualDual
N/A
Dual
Unbuffered memory
N/A
yes
N/A
N/A
yes
Non-ECC
N/A
yes
N/A
N/A
N/A
ECC
N/A
N/A
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC892Realtek ALC892Realtek ALC892Realtek ALC892Realtek ALC887-VD2
Audio output channels7.17.17.17.17.1

Technical details

Compatible processor seriesAMD RyzenAMD AAMD RyzenAMD RyzenAMD Ryzen
Maximum number of processors11111
Maximum number of SMP processors
N/A
1
N/A
N/A
1

BIOS

BIOS typeUEFI AMIUEFI 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
  • 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 mB128.0 mB
System Management BIOS (SMBIOS) version2.32.32.32.33.1
ACPI version5.15.15.15.16.1

Internal I/O ports

Number of COM connectors111
N/A
1
CPU fan connectoryesyesyesyesyes
12V power connectoryesyesyesyes
N/A
ATX Power connector (24-pin)YYYYY
TPM connectoryesyesyesyes
N/A
Number of SATA III connectors66466
Number of chassis fan connectors
N/A
N/A
N/A
33
Number of EATX power connectors
N/A
N/A
N/A
N/A
1
Front panel connector
N/A
N/A
N/A
N/A
yes

Rear panel I/O ports

HDMI ports quantity11111
Ethernet LAN (RJ-45) ports11111
PS/2 ports quantity11111
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1111
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity11112
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44442
VGA (D-Sub) ports quantity1
N/A
11
N/A
DisplayPorts quantity11
N/A
1
N/A
S/PDIF out port
N/A
yes
N/A
N/A
N/A
HDMI version
N/A
1.4
N/A
N/A
N/A
DisplayPort version
N/A
1.2
N/A
N/A
N/A
DVI-D ports quantity
N/A
N/A
1
N/A
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
N/A
N/A
N/A
N/A
1

Network

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

Dimensions

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

Often compared with ASRock B450 Pro4

Often compared with ASRock B450 Steel Legend

Often compared with ASRock B450M PRO4

Often compared with Asus TUF B450-PLUS Gaming