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Brand
MSI
Brand
MSI
Model
PRO B660M-A DDR4
Model
PRO B660M-P DDR4
Release Date
-
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
* High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support
ECC RAM Support
Audio Chipset
Realtek ALC897
Audio Chipset
Realtek ALC897
Audio Channels
7.1 Channels
Audio Channels
7.1 Channels
LAN Chipset
Realtek RTL8125BG
LAN Chipset
Realtek RTL8111H
Max LAN Speed
10/100/1000/2500Mbps
Max LAN Speed
10/100/1000Mbps
SLI Support
No
SLI Support
No
CrossFire Support
No
CrossFire Support
No
RAID Support
Yes
RAID Support
Yes
Back I/O Ports
1 x LAN (RJ45)
1 x PS/2 Keyboard/Mouse Combo
2 x DisplayPort
2 x HDMI
2 x USB 2.0/1.1
2 x USB 3.2 Gen 1 Type-A
2 x USB 3.2 Gen 2 Type-A
3 x Audio Jacks
Back I/O Ports
1 x DisplayPort
1 x D-Sub
1 x HDMI
1 x LAN (RJ45)
2 x PS/2
4 x USB 2.0/1.1
1 x USB 3.2 Gen 1 Type-A
1 x USB 3.2 Gen 2 Type-C
3 x Audio Jacks
Wireless LAN
No
Wireless LAN
No
PCI-Express x16 Slots
2
PCI-Express x16 Slots
1
PCI-Express x4 Slots
0
PCI-Express x4 Slots
0
PCI-Express x1 Slots
1
PCI-Express x1 Slots
2
SATA 6 Gbps Ports
4
SATA 6 Gbps Ports
4
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
2
M.2 Ports
1
M.2 Devices support
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
M.2 Devices support
2242 / 2260 / 2280 - M Key
RAM Slots
4
RAM Slots
4
Maximum Supported RAM
128 GB
Maximum Supported RAM
128 GB
Onboard USB 2.0
2
Onboard USB 2.0
0
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0
What are the differences between MSI PRO B660M-A DDR4 and PRO B660M-P DDR4? Analyze head-to-head all specifications and features to find out the better motherboard.
