Compare MSI MAG B550 vs MSI A520 vs MSI MAG B550
Variants
Storage
For Gamers
For Pros
Storage
Connectivity
CPU Socket
AM4
AMD Socket AM4
AM4
Expansion Slot
1x PCIe 4.0 x16 + 1x PCIe 3.0 x16 + 2x PCIe 3.0 x1
[Storage] 4x SATA III + 1x M.2
1x PCIe 4.0 x16 + 1x PCIe 3.0 x16 + 2x PCIe 3.0 x1
PCI Express
1x X16 + 2x X1 Gen3
Ports
[Front] 1x USB-C 3.2 Gen1, 1x USB 3.2 Gen1, 2x USB 2.0 | [Rear] 1x PS/2, 1x DP, 1x 2.5G LAN (RJ45), 1x USB 3.2 Gen2, 1x HD Audio, 2x USB 2.0, 1x HDMI, 2x USB 3.2 Gen1, 1x USB-C 3.2 Gen1, 1x Optical S/PDIF [Graphics] 1x HDMI 2.1 + 1x DisplayPort
[Front] 2x USB-A + 4x USB-A + 1x serial | [Rear] 1x Realtek RTL81111H Gigabit LAN + 4x USB-A + 2x USB-A + 3x HD audio + 1x DP + 1x HDMI
[Front] 1x USB-C 3.2 Gen1, 1x USB 3.2 Gen1, 2x USB 2.0 | [Rear] 1x PS/2, 1x DP, 1x 2.5G LAN (RJ45), 1x USB 3.2 Gen2, 1x HD Audio, 2x USB 2.0, 1x HDMI, 2x USB 3.2 Gen1, 1x USB-C 3.2 Gen1, 1x Optical S/PDIF [Graphics] 1x HDMI 2.1 + 1x DisplayPort
Construction
Form Factor
M-ATX
Dimensions
Size | Length
30.5 cm
30.5 cm
Size | Width
24.4 cm
24.4 cm
Function
Audio
Realtek ALC1200 Codec, 7.1-channel
Realtek ALC1200 Codec, 7.1-channel
Chipset
AMD B550 Chipset
AMD A520 Chipset
AMD B550 Chipset
Compatibility
3rd Gen AMD Ryzen Desktop Processors and AMD Ryzen 4000 G-Series Desktop Processors
Graphics
Supports 2-Way AMD CrossFire Technology
Supports 2-Way AMD CrossFire Technology
Operating System
Windows 10
Windows 10
Processor
Support 3rd Gen AMD Ryzen Desktop Processors and AMD Ryzen4000 G-Series Desktop Processors
Support 3rd Gen AMD Ryzen Desktop Processors and AMD Ryzen4000 G-Series Desktop Processors
Performance
Memory | Capacity
2 DIMMs, up to 64 GB dual channel
Memory | Type
4x DDR4 2667 - 4866+ MHz non-ECC
DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz
4x DDR4 2667 - 4866+ MHz non-ECC
Storage
RAID 0, RAID 1 M.2 NVMe / RAID 0, RAID 1, RAID 10 SATA
RAID 0/1/10 support
RAID 0, RAID 1 M.2 NVMe / RAID 0, RAID 1, RAID 10 SATA
Production
Debut
2020-08-18
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