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Compare 5 products

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ASRock AB350M-HDV Motherboard
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ASRock B450M-HDV Motherboard
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Asus Prime A320M-A Motherboard
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Asus Prime B450M-A Motherboard
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MSI B450M Pro-M2 Motherboard

General

Motherboard typeMicro-ATXMicro-ATXMicro-ATXMicro-ATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4Socket AM4

Memory

Supported memory bus clock
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
  • 2400 MHz
  • 2133 MHz
  • 2666 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 typeDIMMDIMMDIMMDIMMDIMM
Maximum RAM size32 GB32 GB64 GB64 GB32 GB
Number of memory slots22442
Unbuffered memoryyes
N/A
yesyesyes
Memory channelsDualDualDualDualDual
ECCyes
N/A
yesyes
N/A
Non-ECCyes
N/A
yes
N/A
yes

Audio properties

Audio codecRealtek ALC887Realtek ALC887Realtek ALC887Realtek ALC887Realtek ALC887
Audio output channels7.17.17.17.17.1

Graphics

Maximum resolution
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
  • 4096
  • 2160
Number of displays supported33
N/A
N/A
N/A
HDCPyes
N/A
N/A
N/A
N/A
DirectX version
N/A
12.0
N/A
N/A
N/A

Technical details

Compatible processor seriesAMD AAMD Ryzen
  • AMD A
  • AMD Ryzen
AMD RyzenAMD Ryzen
Maximum number of processors11111
Maximum number of SMP processors1
N/A
N/A
11

BIOS

BIOS typeUEFIUEFI AMIUEFI AMIUEFI AMIUEFI AMI
BIOS features
  • JumperFree
  • SMBIOS 2.3 support
  • UEFI BIOS
  • Multilingual BIOS
  • JumperFree
  • SMBIOS 2.3 support
  • UEFI BIOS
  • ACPI 5.1 support
  • WfM 2.0 support
  • Multilingual BIOS
  • ASUS Quiet Thermal Solution
  • UEFI BIOS
  • ASUS EZ Flash 3
  • SMBIOS 3.0 support
  • ACPI 6.1 support
  • Multilingual BIOS
  • ASUS Quiet Thermal Solution
  • UEFI BIOS
  • ASUS EZ Flash 3
  • ACPI 6.1 support
  • SMBIOS 3.1 support
N/A
ACPI version5.15.16.16.15.0
BIOS memory size
N/A
128.0 mB16.0 mB128.0 mB128.0 mB
System Management BIOS (SMBIOS) version
N/A
2.3
N/A
3.12.8

Internal I/O ports

Number of COM connectors1
N/A
11
N/A
CPU fan connectoryesyesyesyesyes
Number of chassis fan connectors21121
12V power connectoryesyes
N/A
yesyes
ATX Power connector (24-pin)YYYYY
TPM connectoryesyes
N/A
yesyes
Number of SATA III connectors44664
S/PDIF out connector
N/A
N/A
yesyes
N/A
Number of EATX power connectors
N/A
N/A
11
N/A
EPS power connector (8-pin)
N/A
N/A
yes
N/A
N/A
Front panel connector
N/A
N/A
N/A
yesyes
Serial port headers
N/A
N/A
N/A
N/A
1
Number of SATA connectors
N/A
N/A
N/A
N/A
2

Rear panel I/O ports

Microphone inputyes
N/A
N/A
N/A
N/A
Headphone outputs1
N/A
N/A
N/A
N/A
HDMI ports quantity11111
Ethernet LAN (RJ-45) ports11111
PS/2 ports quantity21221
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity64
N/A
44
VGA (D-Sub) ports quantity11111
DVI-D ports quantity11111
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
N/A
N/A
42
N/A
HDMI version
N/A
N/A
N/A
2.0b1.4

Network

Ethernet LAN (Network)yesyesyesyesyes
LAN controllerRealtek RTL8111GRRealtek RTL8111HRealtek RTL8111HRealtek RTL8111HRealtek 8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit EthernetGigabit EthernetGigabit Ethernet

Dimensions

Width9.09 in9.09 in9.61 in9.61 in9.61 in
Depth8.11 in8.11 in9.45 in9.45 in8.11 in

Often compared with ASRock B450M-HDV

Often compared with Asus Prime A320M-A

Often compared with Asus Prime B450M-A