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Asus Prime A320M-K Motherboard
Asus Prime A320M-K
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Gigabyte Z370 AORUS Ultra Gaming WIFI Motherboard
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MSI A320M Pro-E Motherboard
MSI A320M Pro-E
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MSI B450M Pro-M2 Motherboard
MSI B450M Pro-M2
User rating
109
3.7 out of 5
109 user ratings
5 stars
33 %
4 stars
20 %
3 stars
28 %
2 stars
14 %
1 stars
2 %
67
4.0 out of 5
67 user ratings
5 stars
49 %
4 stars
19 %
3 stars
19 %
2 stars
8 %
1 stars
2 %
42
4.4 out of 5
42 user ratings
5 stars
47 %
4 stars
40 %
3 stars
11 %
2 stars
0 %
1 stars
0 %

General

Motherboard typeMicro-ATXATXMicro-ATXMicro-ATX
Processor socketSocket AM4
LGA 1151
Socket AM4Socket AM4

Memory

Supported memory bus clock
  • 2400 MHz
  • 2133 MHz
  • 2666 MHz
  • 2933 MHz
  • 3200 MHz
  • 2400 MHz
  • 2133 MHz
  • 2666 MHz
  • 2800 MHz
  • 3000 MHz
  • 3200 MHz
  • 3300 MHz
  • 3400 MHz
  • 3333 MHz
  • 3466 MHz
  • 3733 MHz
  • 3600 MHz
  • 3800 MHz
  • 3666 MHz
  • 3866 MHz
  • 4000 MHz
  • 2400 MHz
  • 1866 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 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 technologyDDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMM
Maximum RAM size32 GB64 GB32 GB32 GB
Number of memory slots2422
Memory channelsDualDualDualDual
ECCyesyesyes
N/A
Non-ECCyesyesyesyes
Unbuffered memory
N/A
yes
N/A
yes
Extreme Memory Profile (XMP)
N/A
yes
N/A
N/A

Audio properties

Audio codecRealtek ALC887Realtek ALC1220Realtek ALC887Realtek ALC887
Audio output channels7.17.17.17.1

Technical details

Compatible processor seriesAMD Ryzen
  • Intel Core i3
  • Intel Core i5
  • Intel Core i7
  • AMD A
  • AMD Athlon
  • AMD Ryzen
AMD Ryzen
Maximum number of processors1111
Maximum number of SMP processors
N/A
111

BIOS

BIOS typeUEFI AMIUEFI AMIUEFI AMIUEFI AMI
BIOS features
  • WfM 2.0 support
  • Multilingual BIOS
  • ASUS Quiet Thermal Solution
  • UEFI BIOS
  • ASUS EZ Flash 3
  • SMBIOS 3.0 support
  • ACPI 6.1 support
  • WfM 2.0 support
  • UEFI BIOS
  • SMBIOS 2.7 support
  • DMI 2.7 support
  • ACPI 5.0 support
  • Dual BIOS
N/A
N/A
BIOS memory size128.0 mB256.0 mB128.0 mB128.0 mB
System Management BIOS (SMBIOS) version
N/A
2.72.82.8
ACPI version
N/A
5.05.05.0

Internal I/O ports

S/PDIF out connectoryesyes
N/A
N/A
CPU fan connectoryesyesyesyes
Number of EATX power connectors1
N/A
N/A
N/A
Number of chassis fan connectors1311
ATX Power connector (24-pin)YYYY
Number of SATA connectors4
N/A
N/A
2
Thunderbolt headers
N/A
1
N/A
N/A
12V power connector
N/A
yesyesyes
TPM connector
N/A
yesyesyes
Number of SATA III connectors
N/A
644
Front panel connector
N/A
yesyesyes
Serial port headers
N/A
N/A
11

Rear panel I/O ports

S/PDIF out portyesyes
N/A
N/A
HDMI ports quantity11
N/A
1
HDMI version1.4b1.4
N/A
1.4
Ethernet LAN (RJ-45) ports1111
PS/2 ports quantity2111
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4444
VGA (D-Sub) ports quantity1
N/A
11
Microphone input
N/A
yes
N/A
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
N/A
1
N/A
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
N/A
1
N/A
N/A
DVI-D ports quantity
N/A
N/A
11

Network

Ethernet LAN (Network)yesyesyesyes
LAN controllerRealtek RTL8111H
N/A
N/A
Realtek 8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit EthernetGigabit Ethernet
Wi-Fi
N/A
yes
N/A
N/A
Wi-Fi standards
N/A
  • 802.11a
  • Wi-Fi 5
  • 802.11b
  • 802.11g
  • Wi-Fi 4
N/A
N/A
Bluetooth
N/A
yes
N/A
N/A
Bluetooth version
N/A
4.2
N/A
N/A

Dimensions

Width8.9 in12.01 in9.29 in9.61 in
Depth8.7 in9.61 in7.36 in8.11 in

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