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Compare 4 products

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ASRock B450M-HDV R4.0 Motherboard
ASRock B450M-HDV R4.0
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ASRock B450M PRO4 Motherboard
ASRock B450M PRO4
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MSI B450M-A Pro MAX Motherboard
MSI B450M-A Pro MAX
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MSI B450M Pro-M2 Motherboard
MSI B450M Pro-M2
User rating
41
4.0 out of 5
41 user ratings
5 stars
26 %
4 stars
46 %
3 stars
24 %
2 stars
0 %
1 stars
2 %
52
3.9 out of 5
52 user ratings
5 stars
34 %
4 stars
30 %
3 stars
25 %
2 stars
9 %
1 stars
0 %
49
3.8 out of 5
49 user ratings
5 stars
32 %
4 stars
24 %
3 stars
32 %
2 stars
10 %
1 stars
0 %
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-ATXMicro-ATXMicro-ATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4
Cooling type
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
  • 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
  • 3733 MHz
  • 3866 MHz
  • 4000 MHz
  • 4133 MHz
  • 3066 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
Unbuffered memoryyes
N/A
yesyes
Memory channelsDualDualDualDual
ECCyes
N/A
yes
N/A
Non-ECCyes
N/A
yesyes

Audio properties

Audio codecRealtek ALC887Realtek ALC892Realtek ALC892Realtek ALC887
Audio output channels7.17.17.17.1

Technical details

Compatible processor seriesAMD RyzenAMD Ryzen
  • AMD A
  • AMD Athlon X4
  • AMD Ryzen
AMD Ryzen
Maximum number of processors1111
Maximum number of SMP processors
N/A
N/A
11

Internal I/O ports

Number of COM connectors11
N/A
N/A
CPU fan connectoryesyesyesyes
Number of chassis fan connectors2
N/A
N/A
1
12V power connectoryesyes
N/A
yes
TPM connectoryesyesyesyes
Number of SATA III connectors4444
ATX Power connector (24-pin)
N/A
YYY
Serial port headers
N/A
N/A
11
Front panel connector
N/A
N/A
yesyes
Number of SATA connectors
N/A
N/A
N/A
2

Rear panel I/O ports

Microphone inputyes
N/A
yes
N/A
Headphone outputs1
N/A
1
N/A
HDMI ports quantity1111
Ethernet LAN (RJ-45) ports1111
PS/2 ports quantity1121
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4424
VGA (D-Sub) ports quantity11
N/A
1
DVI-D ports quantity1111
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
HDMI version
N/A
N/A
N/A
1.4

Network

Wi-Fino
N/A
no
N/A
Ethernet LAN (Network)yesyesyesyes
LAN controllerRealtek RTL8111HRealtek RTL8111HRealtek 8111HRealtek 8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit EthernetGigabit Ethernet

Dimensions

Width9.06 in9.61 in9.29 in9.61 in
Depth7.91 in9.61 in7.87 in8.11 in

Often compared with ASRock B450M-HDV R4.0

Often compared with ASRock B450M PRO4