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MSI B450-A Pro - ATX vs MSI B450-A Pro MAX

MSI B450-A Pro - ATX Motherboard
MSI B450-A Pro - ATX
MSI B450-A Pro MAX Motherboard
MSI B450-A Pro MAX
User rating
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 %

Full Comparison

General

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Motherboard typeATXATX
Processor socketSocket AM4Socket AM4

Memory

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Supported memory bus clock
  • 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
RAM technologyDDR4DDR4
Memory slots typeDIMMDIMM
Maximum RAM size64 GB64 GB
Number of memory slots44

Audio properties

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Audio codecRealtek ALC892Realtek ALC892
Audio output channels7.17.1

Graphics

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Parallel processing technology support2-Way CrossFireXCrossfire

Technical details

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Compatible processor seriesAMD RyzenAMD Ryzen
Maximum number of processors11

Storage

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
RAID levels
  • 0
  • 1
  • 10
  • 0
  • 1
  • 10

Expansion slots

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Number of M.2 (M) slots11

Internal I/O ports

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Serial port headers11
TPM connectoryesyes
Number of SATA III connectors66

Rear panel I/O ports

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
HDMI ports quantity11
Ethernet LAN (RJ-45) ports11
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
VGA (D-Sub) ports quantity11
DVI-D ports quantity11

Network

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Ethernet LAN (Network)yesyes
LAN controllerRealtek RTL8111HRealtek 8111H
Ethernet interface typeGigabit EthernetGigabit Ethernet

Dimensions

MSI B450-A Pro - ATXMSI B450-A Pro - ATX
MSI B450-A Pro MAXMSI B450-A Pro MAX
Width12.01 in12.01 in
Depth9.61 in9.61 in

Pros & Cons

Pros
      Cons

          Often compared with MSI B450-A Pro MAX