MSI PRO B660M-A DDR4 MOTHERBOARD

CPU

• Supports 12th Gen Intel^® Core™ Processors
• Processor socket LGA1700

1. 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 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)

1. 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 ¹ / ²
• 2x DisplayPort 1.4 ports with HBR3, supporting a maximum resolution of 4K 60 ¹ / ²

1. Available only on processors featuring integrated graphics.
2. Graphics specifications may vary depending on the CPU installed.

MULTI-GPU

• Supports AMD^® CrossFire^™ Technology

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

1. 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

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

LED FEATURES

• 1x 4-pin RGB LED connector
• 2x 3-pin RAINBOW LED connectors
• 4x EZ Debug LED

BACK PANEL PORTS

DIMENSIONS

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