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Compare 4 products

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ASRock B450M PRO4 Motherboard
ASRock B450M PRO4
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MSI B450-A Pro - ATX Motherboard
MSI B450-A Pro - ATX
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MSI B450-A Pro MAX Motherboard
MSI B450-A Pro MAX
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MSI B450M-A Pro MAX Motherboard
MSI B450M-A Pro MAX
User rating
51
3.9 out of 5
51 user ratings
5 stars
35 %
4 stars
31 %
3 stars
25 %
2 stars
7 %
1 stars
0 %
43
4.0 out of 5
43 user ratings
5 stars
20 %
4 stars
53 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
59
4.0 out of 5
59 user ratings
5 stars
38 %
4 stars
37 %
3 stars
15 %
2 stars
5 %
1 stars
3 %
49
3.8 out of 5
49 user ratings
5 stars
32 %
4 stars
24 %
3 stars
32 %
2 stars
10 %
1 stars
0 %

General

Motherboard typeMicro-ATXATXATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4
Cooling type
N/A
Passive
N/A
Passive

Memory

Supported memory bus clock
  • 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
  • 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
  • 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 technologyDDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMM
Maximum RAM size64 GB64 GB64 GB32 GB
Number of memory slots4442
Memory channelsDualDual
N/A
Dual
ECC
N/A
yes
N/A
yes
Non-ECC
N/A
yes
N/A
yes
Unbuffered memory
N/A
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC892Realtek ALC892Realtek ALC892Realtek ALC892
Audio output channels7.17.17.17.1

Technical details

Compatible processor seriesAMD RyzenAMD RyzenAMD Ryzen
  • AMD A
  • AMD Athlon X4
  • AMD Ryzen
Maximum number of processors1111
Maximum number of SMP processors
N/A
1
N/A
1

Internal I/O ports

Number of COM connectors1
N/A
N/A
N/A
CPU fan connectoryesyes
N/A
yes
12V power connectoryes
N/A
N/A
N/A
ATX Power connector (24-pin)YY
N/A
Y
TPM connectoryesyesyesyes
Number of SATA III connectors4664
Serial port headers
N/A
111
Number of chassis fan connectors
N/A
4
N/A
N/A
EPS power connector (8-pin)
N/A
yes
N/A
N/A
RGB LED pin header
N/A
yes
N/A
N/A
Front panel connector
N/A
yes
N/A
yes

Rear panel I/O ports

HDMI ports quantity1111
Ethernet LAN (RJ-45) ports1111
PS/2 ports quantity11
N/A
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
N/A
N/A
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity122
N/A
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4222
VGA (D-Sub) ports quantity111
N/A
DVI-D ports quantity1111
Microphone input
N/A
yes
N/A
yes
Headphone outputs
N/A
1
N/A
1

Network

Ethernet LAN (Network)yesyesyesyes
LAN controllerRealtek RTL8111HRealtek RTL8111HRealtek 8111HRealtek 8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit EthernetGigabit Ethernet
Wi-Fi
N/A
N/A
nono

Dimensions

Width9.61 in12.01 in12.01 in9.29 in
Depth9.61 in9.61 in9.61 in7.87 in

Often compared with ASRock B450M PRO4

ASRock B450M PRO4 Motherboard
ASRock B450M Pro4-F
ASRockB450M PRO4
ASRockB450M Pro4-F
ASRock B450M PRO4 Motherboard
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ASRock B450 Steel Legend
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ASRock B450M Steel Legend
ASRockB450M PRO4
ASRockB450M Steel Legend
ASRock B450M PRO4 Motherboard
ASRock B450 Pro4
ASRockB450M PRO4
ASRockB450 Pro4
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MSI B450 Tomahawk
ASRockB450M PRO4
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ASRockB450M PRO4
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Often compared with MSI B450-A Pro MAX

MSI B450-A Pro MAX Motherboard
Asus Prime B450-PLUS
MSIB450-A Pro MAX
AsusPrime B450-PLUS