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Compare 3 products

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ASRock B450M-HDV Motherboard
ASRock B450M-HDV
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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
User rating
49
3.9 out of 5
49 user ratings
5 stars
32 %
4 stars
32 %
3 stars
24 %
2 stars
8 %
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 %

General

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

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
RAM technologyDDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMM
Maximum RAM size32 GB64 GB32 GB
Number of memory slots242
Memory channelsDualDualDual
Unbuffered memory
N/A
N/A
yes
ECC
N/A
N/A
yes
Non-ECC
N/A
N/A
yes

Audio properties

Audio codecRealtek ALC887Realtek ALC892Realtek ALC892
Audio output channels7.17.17.1

Graphics

DirectX version12.012.012.0
Maximum resolution
  • 4096
  • 2160
N/A
  • 4096
  • 2160
Number of displays supported33
N/A
Parallel processing technology support
N/A
N/A
Not supported

Technical details

Compatible processor seriesAMD RyzenAMD Ryzen
  • AMD A
  • AMD Athlon X4
  • AMD Ryzen
Maximum number of processors111
Maximum number of SMP processors
N/A
N/A
1

Internal I/O ports

CPU fan connectoryesyesyes
Number of chassis fan connectors1
N/A
N/A
12V power connectoryesyes
N/A
ATX Power connector (24-pin)YYY
TPM connectoryesyesyes
Number of SATA III connectors444
Number of COM connectors
N/A
1
N/A
Serial port headers
N/A
N/A
1
Front panel connector
N/A
N/A
yes

Rear panel I/O ports

HDMI ports quantity111
Ethernet LAN (RJ-45) ports111
PS/2 ports quantity112
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity442
VGA (D-Sub) ports quantity11
N/A
DVI-D ports quantity111
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
N/A
1
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
N/A
1
N/A
Microphone input
N/A
N/A
yes
Headphone outputs
N/A
N/A
1

Network

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

Dimensions

Width9.09 in9.61 in9.29 in
Depth8.11 in9.61 in7.87 in

Often compared with ASRock B450M-HDV

Often compared with ASRock B450M PRO4