

Supports 12th Gen Intel Core™ Processors, Pentium Gold and Celeron Processors*
Processor socket LGA1700
*Please go to www.msi.com to get the newest support status as new processors are released.
Intel B660 Chipset
2x DDR4 memory slots, support up to 64GB *
Supports 1R 2133/ 2666/ 2933/ 3200 MHz (by JEDEC & POR)
Max overclocking frequency:
1DPC 1R Max speed up to 4600+ MHz
1DPC 2R Max speed up to 4000+ MHz
Supports Dual-Channel mode
Supports non-ECC, un-buffered memory
Supports Intel Extreme Memory Profile (XMP)
*Please refer to www.msi.com for more information on compatible memory.
1x PCIe x16 slot (From CPU)
Supports up to PCIe 4.0 x16
1x PCIe x1 slot (From B660 chipset)
Supports PCIe 3.0 x1
1x HDMI 2.1 with HDR port, supports a maximum resolution of 4K 60Hz */**
1x VGA port, supports a maximum resolution of 2048x1536 50Hz, 2048x1280 60Hz, 1920x1200 60Hz */**
*Available only on processors featuring integrated graphics
**Graphics specifications may vary depending on the CPU installed.
4x SATA 6Gb/s ports (From B660chipset) *
*SATA7 will be unavailable when installing M.2 SATA SSD in the M2_1 slot.
1x M.2 slot (Key M, from B660 chipset) *
Supports up to PCIe 3.0 x4
Supports up to SATA 6Gb/s
Supports 2242/ 2260/ 2280 storage devices
Support Intel Optane™ Memory
Supports Intel Smart Response Technology for Intel Core™ processors
*SATA7 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
Realtek ALC892/ ALC897 Codec
7.1-Channel High Definition Audio
1x Intel I219V 1Gbps LAN controller
1x 24-pin ATX main power connector
1x 8-pin ATX 12V power connector
Intel B660 Chipset
4x USB 3.2 Gen 1 5Gbps ports (2 Type-A ports on the back panel, 2 ports available through the internal USB connector)
6x USB 2.0 ports (4 Type-A ports on the back panel(hub-GL850G), 2 ports available through the internal USB 2.0 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 Clear CMOS jumper
4x EZ Debug LED
HDMI
VGA
Keyboard / Mouse
USB 3.2 Gen 1 5Gbps Type-A
LAN port
Audio connector
USB 2.0
MSI PRO B660M-E DDR4 back panel ports
M-ATX Form Factor
9.3 in. x 8.0 in. (24.4 cm x 21.1 cm)