We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Compare 3 products

Close
ASRock AB350M-HDV Motherboard
ASRock AB350M-HDV
Close
ASRock AB350M Pro4 Motherboard
ASRock AB350M Pro4
Close
ASRock B450M PRO4 Motherboard
ASRock B450M PRO4
Editiorial reviews
2
2 editorial reviews
Do you need the latest and greatest X470 motherboard to seize the performance potential of the newly refreshed AMD Ryzen processor line? ASRock doesn't think so and is out to prove it with this exceptionally inexpensive B350 Micro ATX board.Read more
Thanks to ASRock, we’ll be taking a look at the ASRock AB350M Pro4 Motherboard. This motherboard comes in a micro-ATX form factor and features AMD’s B350 chipset, suitable for all Ryzen processors (AM4 socket), including their ...Read more
Read editorial reviews
2
2 editorial reviews
We kick off our AMD B450 chipset reviews with the ASRock B450M Pro4 mATX motherboard, a budget option for those wanting an entry into the world of AMD Ryzen CPUs....Read more
Conclusion and Verdict The B450M Pro4 motherboard is a really interesting option for gamers with a lower budget. It supports most new technologies, all AM4 processors, memory up to DDR4-3466, two M.2 SSD and many ...Read more
Read editorial reviews
User rating
36
4.1 out of 5
36 user ratings
5 stars
38 %
4 stars
36 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
36
4.3 out of 5
36 user ratings
5 stars
47 %
4 stars
36 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
51
3.9 out of 5
51 user ratings
5 stars
35 %
4 stars
31 %
3 stars
25 %
2 stars
7 %
1 stars
0 %

General

Motherboard typeMicro-ATXMicro-ATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4

Memory

Supported memory bus clock
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2400 MHz
  • 2133 MHz
  • 2667 MHz
  • 2933 MHz
  • 3200 MHz
RAM technologyDDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMM
Maximum RAM size32 GB64 GB64 GB
Number of memory slots244
Unbuffered memoryyesyes
N/A
Memory channelsDualDualDual
ECCyesyes
N/A
Non-ECCyesyes
N/A

Audio properties

Audio codecRealtek ALC887Realtek ALC892Realtek ALC892
Audio output channels7.17.17.1

Graphics

Maximum resolution
  • 4096
  • 2160
  • 4096
  • 2160
N/A
Number of displays supported333
HDCPyesyes
N/A
DirectX version
N/A
N/A
12.0

Technical details

Compatible processor seriesAMD AAMD AAMD Ryzen
Maximum number of processors111
Maximum number of SMP processors11
N/A

BIOS

BIOS typeUEFIUEFIUEFI AMI
BIOS features
  • JumperFree
  • SMBIOS 2.3 support
  • UEFI BIOS
  • JumperFree
  • SMBIOS 2.3 support
  • UEFI BIOS
  • Multilingual BIOS
  • JumperFree
  • SMBIOS 2.3 support
  • UEFI BIOS
  • ACPI 5.1 support
ACPI version5.15.15.1
BIOS memory size
N/A
N/A
128.0 mB
System Management BIOS (SMBIOS) version
N/A
N/A
2.3

Internal I/O ports

Number of COM connectors111
CPU fan connectoryesyesyes
Number of chassis fan connectors22
N/A
12V power connectoryesyesyes
ATX Power connector (24-pin)YYY
TPM connectoryesyesyes
Number of SATA III connectors444
EPS power connector (8-pin)
N/A
yes
N/A

Rear panel I/O ports

Microphone inputyesyes
N/A
Headphone outputs11
N/A
HDMI ports quantity111
Ethernet LAN (RJ-45) ports111
PS/2 ports quantity221
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity644
VGA (D-Sub) ports quantity111
DVI-D ports quantity111
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
N/A
1
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
N/A
N/A
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
N/A
N/A
1

Network

Ethernet LAN (Network)yesyesyes
LAN controllerRealtek RTL8111GRRealtek RTL8111GRRealtek RTL8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit Ethernet

Dimensions

Width9.09 in9.61 in9.61 in
Depth8.11 in9.61 in9.61 in

Often compared with ASRock B450M PRO4