MSI MAG B660M MORTAR WIFI DDR5 MOTHERBOARD

PROCESSOR

• Supports 12th Gen Intel^® Core™, Pentium^® Gold and Celeron^® processors ¹
• Processor socket LGA1700

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

See supported processors

CHIPSET

Intel^® B660 Chipset

MEMORY

• 4x DDR5 memory slots, support up to 128GB¹
• Supports 1R 4800 MHz (by JEDEC & POR)
• Max. overclocking frequency:
  • 1DPC 1R Max speed up to 6200+ MHz
  • 1DPC 2R Max speed up to 5200+ MHz
  • 2DPC 1R Max speed up to 4000+ MHz
  • 2DPC 2R Max speed up to 4000+ MHz
• Supports Intel^® XMP 3.0 OC
• Supports Dual Controller Dual-Channel mode
• Supports non-ECC, un-buffered memory

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

EXPANSION SLOT

• 2x PCIe x16 slots
  • PCI_E1 slot (From CPU)
    • Supports PCIe 4.0 x16
  • PCI_E3 slot (From B660 Chipset)
    • Supports PCIe 3.0 x4
• 1x PCIe 3.0 x1 slot

MULTI-GPU

• Supports AMD^® CrossFire^™ Technology

ONBOARD GRAPHICS

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

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

STORAGE

• 4x SATA 6Gb/s ports (SATA5~8, from B660 Chipset) ¹
• 2x SATA 6Gb/s ports (SATA_A & SATA_B, from ASMedia ASM1061)
• 2x M.2 slots (Key M)
  • M2_1 slot (From CPU)
    • Supports PCIe 4.0 x4
    • Supports 2242/ 2260/ 2280 storage devices
  • M2_2 slot (From B660 Chipset) ¹
    • Supports PCIe 4.0 x4
    • Supports SATA 6Gb/s
    • Supports 2242/ 2260/ 2280 storage devices
    • Supports Intel® Optane™ Memory

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 ¹

1. SATA_A & SATA_B do not support RAID function.

USB

AUDIO

Realtek^® ALC1200 Codec

• 7.1-Channel High Definition Audio
• Supports S/PDIF output

LAN

• 1x Realtek^® 8125BG 2.5Gbps LAN controller

WIRELESS LAN & BLUETOOTH^®

Intel^® Wi-Fi 6E

• The Wireless module is pre-installed in the M.2 (Key-E) slot
• Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz¹
  (160MHz) up to 2.4Gbps
• Supports 802.11 a/ b/ g/ n/ ac/ ax
• Supports Bluetooth^® 5.2², FIPS, FISMA

1. Wi-Fi 6E 6GHz may depend on every country’s regulations and will be ready in Windows 10 version 21H1 and Windows 11.
2. Bluetooth 5.2 will be ready in Windows 10 version 21H1 and Windows 11.

INTERNAL CONNECTORS

• 1x 24-pin ATX main power connector
• 2x 8-pin ATX 12V power connectors
• 6x SATA 6Gb/s connectors
• 2x M.2 slots (M-Key)
• 1x USB 3.2 Gen 2 10Gbps Type-C connector
• 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
• 2x USB 2.0 Type-A 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 Clear CMOS jumper
• 1x TPM module connector
• 1x TBT connector (supports RTD3)
• 1x Tuning Controller connector

LED FEATURE

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

BACK PANEL PORTS

DIMENSIONS

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

BOX CONTENT