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 5 products

Close
ASRock B450 Pro4 Motherboard
Close
ASRock B450 Steel Legend Motherboard
Close
MSI B450-A Pro - ATX Motherboard
Close
MSI B450-A Pro MAX Motherboard
Close
MSI B450M Gaming PLUS Motherboard

General

Motherboard typeATXATXATXATXMicro-ATX
Processor socketSocket AM4Socket AM4Socket AM4Socket AM4Socket AM4
Cooling type
N/A
N/A
Passive
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
  • 3466 MHz
  • 3533 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
  • 3066 MHz
RAM technologyDDR4DDR4DDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMMDIMMDIMM
Maximum RAM size64 GB64 GB64 GB64 GB32 GB
Number of memory slots44442
Memory channelsDualDualDual
N/A
Dual
Unbuffered memory
N/A
yes
N/A
N/A
N/A
Non-ECC
N/A
yesyes
N/A
yes
ECC
N/A
N/A
yes
N/A
yes

Audio properties

Audio codecRealtek ALC892Realtek ALC892Realtek ALC892Realtek ALC892Realtek ALC887
Audio output channels7.17.17.17.17.1

Technical details

Compatible processor seriesAMD RyzenAMD AAMD RyzenAMD RyzenAMD Ryzen
Maximum number of processors11111
Maximum number of SMP processors
N/A
11
N/A
1

Internal I/O ports

Number of COM connectors11
N/A
N/A
N/A
CPU fan connectoryesyesyes
N/A
N/A
12V power connectoryesyes
N/A
N/A
yes
ATX Power connector (24-pin)YYY
N/A
Y
TPM connectoryesyesyesyesyes
Number of SATA III connectors66664
Serial port headers
N/A
N/A
111
Number of chassis fan connectors
N/A
N/A
4
N/A
N/A
EPS power connector (8-pin)
N/A
N/A
yes
N/A
yes
RGB LED pin header
N/A
N/A
yes
N/A
yes
Front panel connector
N/A
N/A
yes
N/A
yes

Rear panel I/O ports

HDMI ports quantity11111
Ethernet LAN (RJ-45) ports11111
PS/2 ports quantity111
N/A
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity11
N/A
N/A
N/A
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity1122
N/A
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44224
VGA (D-Sub) ports quantity1
N/A
11
N/A
DisplayPorts quantity11
N/A
N/A
N/A
S/PDIF out port
N/A
yes
N/A
N/A
N/A
HDMI version
N/A
1.4
N/A
N/A
1.4
DisplayPort version
N/A
1.2
N/A
N/A
N/A
Microphone input
N/A
N/A
yes
N/A
N/A
Headphone outputs
N/A
N/A
1
N/A
N/A
DVI-D ports quantity
N/A
N/A
111

Network

Ethernet LAN (Network)yesyesyesyesyes
LAN controllerRealtek RTL8111HRealtek 8111HRealtek RTL8111HRealtek 8111HRealtek RTL8111H
Ethernet interface typeGigabit EthernetGigabit EthernetGigabit EthernetGigabit EthernetGigabit Ethernet
Wi-Fi
N/A
no
N/A
no
N/A

Dimensions

Width12.01 in12.01 in12.01 in12.01 in9.61 in
Depth8.82 in9.61 in9.61 in9.61 in8.27 in

Often compared with ASRock B450 Pro4

Often compared with ASRock B450 Steel Legend

Often compared with MSI B450-A Pro MAX