MSI PRO B660M-A DDR4

CPU

Supports 12th Gen Intel® Core™ Processors

Processor socket LGA1700

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

Chipset

Intel® B660 Chipset

Memory 4x DDR4 memory slots, support up to 128GB

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

Max overclocking frequency: 1DPC 1R Max speed up to 4800+ 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 memoryy

Supports Intel® Extreme Memory Profile (XMP)

Please refer to www.msi.com for more information on compatible memory.

Expansion Slot 2x PCIe x16 slots

PCI_E1 (From CPU)

Support PCIe 4.0 x16

PCI_E3 (From B660 chipset)

Support PCIe 3.0 x4 1x PCIe 3.0 x1 slot (Fom B660 chipset)

Onboard Graphics 2x HDMI 2.1 with HDR ports, supporting a maximum resolution of 4K 60Hz 2x DisplayPort 1.4 ports with HBR3, supporting a maximum resolution of 4K 60

Available only on processors featuring integrated graphics.

Graphics specifications may vary depending on the CPU installed.

Audio

Realtek® ALC897 Codec 7.1-Channel High Definition Audio

Storage 4x SATA 6Gb/s ports (From B660 chipset) 2x M.2 slots (Key M)

M2_1 slot (From CPU)

Supports up to PCIe 4.0 x4

Supports 2242/ 2260/ 2280 storage devices

M2_2 slot (From B660 chipset)

Supports up to PCIe 4.0 x4

Supports up to SATA 6Gb/s

Supports 2242/ 2260/ 2280 storage devices

Supports Intel® Optane™ Memory

Support Intel® Smart Response Technology for Intel Core™ processors

SATA8 will be unavailable when installing M.2 SATA SSD in the M2_2 slot.

RAID

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

LAN 1x Realtek® RTL8125BG 2.5Gbps LAN controller

USB

Intel® B660 Chipset 2x USB 3.2 Gen 2 10Gbps Type-A ports on the back panel 3x USB 3.2 Gen 1 5Gbps ports (2 Type-A ports on the back panel, 1 Type-C available through the internal connector) 6x USB 2.0 ports (2 Type-A ports on the back panel, 4 Type-A ports available through the internal connectors)

Asmedia ASM1074 2X USB 3.2 Gen 1 5Gbps Type-A ports through the internal connector

Internal connectors 1x 24-pin ATX main power connector 1x 8-pin ATX 12V power connector 1x 4-pin ATX 12V power connector 4x SATA 6Gb/s connectors 2x M.2 slots (M-Key) 1x USB 3.2 Gen 1 5Gbps Type-C port 1x USB 3.2 Gen 1 5Gbps Type-A connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports) 1x 4-pin CPU fan connector 1x 4-pin water-pump fan connector 2x 4-pin system fan connectors 1x Front panel audio connector 2x System panel connectors 1x Chassis Intrusion connector 1x TPM module connector 1x Clear CMOS jumper 1x TBT connector (supports RTD3) 1x Serial port 1x Tuning Controller connector

Back panel ports

Keyboard / Mouse

DisplayPort

USB 3.2 Gen 1 5Gbps Type-A

LAN port

Audio connector

USB 2.0

HDMI

USB 3.2 Gen 2 10Gbps Type-A

Dimensions

Micro-ATX Form Factor 9.6 in. x 9.6 in. (24.4 cm x 24.4 cm)