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MSI Pro B660M-P DDR4 Motherboard


  • Supports 12th Gen Intel® Core™, Pentium® Gold and Celeron® processors for LGA 1700 socket
  • Supports DDR4 Memory, up to 4600+(OC) MHz
  • Core Boost : With premium layout and digital power design to support more cores and provide better performance
  • Memory Boost: Advanced technology to deliver pure data signals for the best performance, stability and compatibility
  • Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2
  • Audio Boost: Reward your ears with studio grade sound quality
  • Steel Armor: Protecting VGA cards against bending and EMI for better performance, stability and strength.




Supports 12th Gen Intel® Core Processors, Pentium® Gold and Celeron® Processors

Processor socket LGA1700

Please go to to get the newest support status as new processors are released.


Intel® B660 chipset


4x DDR4 memory slots, supporting up to 128GB

Supports 1R 2133/2666/3200 MHz (by JEDEC & POR)

Max overclocking frequency:

1DPC 1R Max speed up to 4600+ MHz

1DPC 2R Max speed up to 4000+ MHz

2DPC 1R Max speed up to 4000+ MHz

2DPC 2R Max speed up to 3600+ MHz

Supports Dual-Channel mode

Supports non-ECC, un-buffered memory

Supports Intel® Extreme Memory Profile (XMP)

Please refer for more information on compatible memory.

Expansion Slot

1x PCIe x16 slot

PCI_E1 (From CPU)

Supports up to PCIe 4.0 x16

2x PCIe x1 slots

PCI_E2 & PCI_E3 (Fom B660 chipset)

Supports up to PCIe 3.0

Onboard Graphics

1x HDMI 1.4 port, supporting a maximum resolution of 4K 30Hz

1x DisplayPort 1.4 port, supporting a maximum resolution of 4K 60Hz

1x VGA port, supporting a maximum resolution of 2048x1536 50Hz, 2048x1280 60Hz, 1920x1200 60Hz

Available for the processor with integrated graphics.

Graphics specifications may vary depending on the CPU installed.


Realtek® ALC897 Codec

7.1-Channel High Definition Audio


4x SATA 6Gb/s ports (From B660 chipset)

1x M.2 slot (Key M)

M2_1 slot (From B660 Chipset)

Supports up to PCIe 4.0 x4

Supports 2242/ 2260/ 2280 storage devices

SATA5 will be unavailable when installing M.2 SATA SSD in the M2_1 slot.


Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices


1x Realtek® RTL8111H 1Gbps LAN controller


1x USB 3.2 Gen 1 5Gbps Type-C connector (From B660 chipset)

1x USB 3.2 Gen 1 5Gbps Type-A connector (From B660 chipset)

Supports additional 2 USB 3.2 Gen 1 5Gbps ports

1x USB 2.0 Type-A connector (From B660 chipset)

Supports additional 2 USB 2.0 ports

Internal Connectors

1x 24-pin ATX main power connector

1x 8-pin ATX 12V power connector

1x 4-pin CPU fan connector

1x 4-pin system fan connector

1x Front panel audio connector

2x System panel connectors

1x Chassis Intrusion connector

1x TPM module connector

1x parallel port connector

1x Serial port

1x Clear CMOS jumper

LED Feature

4x EZ Debug LED

Back Panel Ports




Keyboard / Mouse

USB 2.0

LAN port

Audio connectors

USB 3.2 Gen 2 10Gbps Type-C

USB 3.2 Gen 1 5Gbps Type-A

Operating System

Support for Windows® 11 64-bit, Windows® 10 64-bit


1x 256 Mb flash


ACPI 6.4, SMBIOS 3.4



M-ATX Form Factor

9.6 in. x 9.6 in. (24.4 cm x 24.4 cm)


3 Years


Price, feature and specifications are subject to change without notice.

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