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Compare 5 products

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ASRock B450M PRO4 Motherboard
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Asus Prime A320M-K Motherboard
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Asus Prime B450M-A Motherboard
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MSI B450-A Pro - ATX Motherboard
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MSI B450-A Pro MAX Motherboard

General

Motherboard typeMicro-ATXMicro-ATXMicro-ATXATXATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4Socket AM4
Cooling type
N/A
N/A
N/A
Passive
N/A

Memory

Supported memory bus clock
  • 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
  • 2400 MHz
  • 1866 MHz
  • 2133 MHz
  • 2667 MHz
  • 2800 MHz
  • 2933 MHz
  • 3000 MHz
  • 2667 MHz
  • 3200 MHz
  • 3466 MHz
  • 3733 MHz
  • 3866 MHz
  • 4000 MHz
  • 4133 MHz
  • 3066 MHz
RAM technologyDDR4DDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMMDIMM
Maximum RAM size64 GB32 GB64 GB64 GB64 GB
Number of memory slots42444
Memory channelsDualDualDualDual
N/A
ECC
N/A
yesyesyes
N/A
Non-ECC
N/A
yes
N/A
yes
N/A
Unbuffered memory
N/A
N/A
yes
N/A
N/A

Audio properties

Audio codecRealtek ALC892Realtek ALC887Realtek ALC887Realtek ALC892Realtek ALC892
Audio output channels7.17.17.17.17.1

Technical details

Compatible processor seriesAMD RyzenAMD RyzenAMD RyzenAMD RyzenAMD Ryzen
Maximum number of processors11111
Maximum number of SMP processors
N/A
N/A
11
N/A

Rear panel I/O ports

HDMI ports quantity11111
Ethernet LAN (RJ-45) ports11111
PS/2 ports quantity1221
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
N/A
N/A
N/A
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1
N/A
222
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44422
VGA (D-Sub) ports quantity11111
DVI-D ports quantity1
N/A
111
S/PDIF out port
N/A
yes
N/A
N/A
N/A
HDMI version
N/A
1.4b2.0b
N/A
N/A
Microphone input
N/A
N/A
N/A
yes
N/A
Headphone outputs
N/A
N/A
N/A
1
N/A

Network

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

Dimensions

Width9.61 in8.9 in9.61 in12.01 in12.01 in
Depth9.61 in8.7 in9.45 in9.61 in9.61 in

Often compared with ASRock B450M PRO4

Often compared with Asus Prime A320M-K

Often compared with Asus Prime B450M-A

Often compared with MSI B450-A Pro MAX