MSI
MSI B550-A PRO ATX AM4
Specifications
Platform
Manufacturer:
MSI
CPU:
AMD 3000 / 4000 / 4000G / 5000 / 5000G Series
CPU Socket:
AM4
Chipset:
B550
Form Factor:
ATX
TDP:
28 W
Memory Support
Memory Type:
DDR4
Memory Slots:
4
Max Memory:
128 GB
ECC Memory Support:
No
Native Speeds:
Work automatically — no BIOS changes needed. Shown as min–max of the validated range.
1866, 2133, 2400, 2666, 2800, 2933, 3000, 3200 MHz
Profile Speeds:
Require XMP or EXPO enabled in BIOS. Even speeds below the native maximum need a profile if they are not in the native list.
3300, 3333, 3400, 3466, 3600, 3666, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4300, 4400 MHz
Expansion
PCIe x16 Slots:
1×PCIe 4.0 1×PCIe 3.0
Other PCIe Slots:
2×x1
Storage
M.2 Slots:
2 slots [Slot1(2242/2260/2280/22110), Slot2(2242/2260/2280)]
Max M.2 PCIe Version:
PCIe PCIe4.0
NVMe RAID:
RAID 0/1
SATA RAID:
RAID 0/1/5/10
SATA 6Gb/s:
6 ports
Connectivity
USB Ports:
1×USB-C 10Gbps, 1×USB-A 10Gbps, 2×USB-A 5Gbps, 4×USB 2.0
Front USB Ports:
4 x USB 2.0 ports, 3 x USB 3.2 Gen 1 5Gbps ports
Ethernet:
1 ports (1Gbps)
WiFi:
None
Bluetooth:
None
Audio:
Realtek® ALC892/ALC897 Codec 7.1 HD
Display Outputs:
1×HDMI 1×DisplayPort
MSI B550-A PRO ATX AM4
The MSI B550-A PRO ATX AM4 is a high-performance full atx (standard) motherboard featuring B550 chipset and AM4 socket support. This mainstream platform offers 0 memory slots with 8 USB ports, 1 ports (1gbps), basic wifi support, 7.1 audio, 2 M.2 slots, NVMe RAID 0/1 support, SATA RAID 0/1/5/10 support, and 2 display outputs for modern PC builds.
Key Features
Feature Rating
Great
Standard features for gaming and productivity
NVMe RAID
WiFi Built-in
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