MSI PRO B660M-A DDR4 Motherboard

Processor socket LGA1700

• 4x DDR4 memory slots, support up to 128GB 1
• 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)

• 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)

• 2x HDMI 2.1 with HDR ports, supporting a maximum resolution of 4K 60Hz 1 / 2
• 2x DisplayPort 1.4 ports with HBR3, supporting a maximum resolution of 4K 60 1 / 2

Available only on processors featuring integrated graphics.

Graphics specifications may vary depending on the CPU installed.

• 7.1-Channel High Definition Audio

• 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.

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

• 1x Realtek® RTL8125BG 2.5Gbps LAN controller

• 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

• 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

2x 3-pin RAINBOW LED connectors

4x EZ Debug LED

• 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

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