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ASRock B450 Steel Legend Motherboard
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ASRock B450M Steel Legend Motherboard
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ASRock Fatal1ty B450 Gaming K4 Motherboard
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Asus Prime B450-PLUS Motherboard
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MSI B450-A Pro - ATX Motherboard

General

Motherboard typeATXMicro-ATXATXATXATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4Socket AM4
Cooling type
N/A
N/A
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
  • 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
  • 2400 MHz
  • 1866 MHz
  • 2133 MHz
  • 2667 MHz
  • 2800 MHz
  • 2933 MHz
  • 3000 MHz
  • 2667 MHz
  • 3200 MHz
  • 3466 MHz
  • 3066 MHz
RAM technologyDDR4DDR4DDR4DDR4DDR4
Memory slots typeDIMM
N/A
DIMM
N/A
DIMM
Maximum RAM size64 GB64 GB64 GB64 GB64 GB
Number of memory slots4
N/A
4
N/A
4
Unbuffered memoryyes
N/A
N/A
N/A
N/A
Memory channelsDual
N/A
N/A
N/A
Dual
Non-ECCyes
N/A
N/A
N/A
yes
ECC
N/A
N/A
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC892Realtek ALC892Realtek ALC892Realtek ALC887-VD2Realtek ALC892
Audio output channels7.1
N/A
7.1
N/A
7.1

Technical details

Compatible processor seriesAMD A
N/A
AMD Ryzen
N/A
AMD Ryzen
Maximum number of processors11111
Maximum number of SMP processors1
N/A
N/A
N/A
1

BIOS

BIOS typeUEFI AMIAMIUEFI AMIAMIUEFI 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 FlashBack+
  • MSI ClickBIOS 5
BIOS memory size128.0 mB
N/A
128.0 mB
N/A
N/A
System Management BIOS (SMBIOS) version2.3
N/A
2.3
N/A
N/A
ACPI version5.1
N/A
5.1
N/A
N/A

Dimensions

Width12.01 in9.61 in12.01 in12.01 in12.01 in
Depth9.61 in9.61 in8.82 in9.21 in9.61 in

Often compared with ASRock B450 Steel Legend

Often compared with ASRock B450M Steel Legend

Often compared with Asus Prime B450-PLUS