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Compare 4 products

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ASRock B450M-HDV Motherboard
ASRock B450M-HDV
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Asus Prime B450M-A Motherboard
Asus Prime B450M-A
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MSI B450 Tomahawk Motherboard
MSI B450 Tomahawk
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MSI B450M Pro-VDH MAX Motherboard
MSI B450M Pro-VDH MAX
Editiorial reviews
1
1 editorial reviews
ASUS isn't always known for their bang for buck, but the ASUS PRIME B450M-K is a perfect example of it. Here's our review of this great entry-level board.Read more
Read editorial reviews
5
4.2 out of 5
3 user ratings
5 stars
33 %
4 stars
66 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
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 %
78
3.7 out of 5
78 user ratings
5 stars
24 %
4 stars
32 %
3 stars
30 %
2 stars
11 %
1 stars
1 %
48
4.0 out of 5
48 user ratings
5 stars
31 %
4 stars
39 %
3 stars
25 %
2 stars
4 %
1 stars
0 %
63
4.0 out of 5
63 user ratings
5 stars
39 %
4 stars
25 %
3 stars
30 %
2 stars
3 %
1 stars
1 %

General

Motherboard typeMicro-ATXMicro-ATXATXMicro-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
  • 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
  • 3066 MHz
RAM technologyDDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMM
Maximum RAM size32 GB64 GB64 GB64 GB
Number of memory slots2444
Memory channelsDualDualDualDual
Unbuffered memory
N/A
yes
N/A
N/A
ECC
N/A
yesyes
N/A
Non-ECC
N/A
N/A
yes
N/A

Audio properties

Audio codecRealtek ALC887Realtek ALC887Realtek ALC892Realtek ALC892
Audio output channels7.17.17.17.1

Technical details

Compatible processor seriesAMD RyzenAMD RyzenAMD RyzenAMD Ryzen
Maximum number of processors1111
Maximum number of SMP processors
N/A
11
N/A

Internal I/O ports

CPU fan connectoryesyesyes
N/A
Number of chassis fan connectors124
N/A
12V power connectoryesyes
N/A
N/A
ATX Power connector (24-pin)YYY
N/A
TPM connectoryesyesyesyes
Number of SATA III connectors4664
S/PDIF out connector
N/A
yes
N/A
N/A
Number of COM connectors
N/A
1
N/A
N/A
Number of EATX power connectors
N/A
1
N/A
N/A
Front panel connector
N/A
yesyes
N/A
Serial port headers
N/A
N/A
11
EPS power connector (8-pin)
N/A
N/A
yes
N/A
RGB LED pin header
N/A
N/A
yes
N/A

Rear panel I/O ports

HDMI ports quantity1111
Ethernet LAN (RJ-45) ports1111
PS/2 ports quantity1211
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
HDMI version
N/A
2.0b1.4
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
N/A
21
N/A
Microphone input
N/A
N/A
yes
N/A
Headphone outputs
N/A
N/A
1
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
N/A
N/A
1
N/A

Network

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

Dimensions

Width9.09 in9.61 in12.01 in9.61 in
Depth8.11 in9.45 in9.61 in9.61 in

Often compared with ASRock B450M-HDV

Often compared with Asus Prime B450M-A

Often compared with MSI B450 Tomahawk

Often compared with MSI B450M Pro-VDH MAX