MAG B660M MORTAR WIFI, Intel® B660 Chipset, LGA 1700, Type-C 2x2, microATX Motherboard

• 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.

Intel^® B660 Chipset

• 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.

• 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

• Supports AMD^® CrossFire^™ Technology

• 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.

• 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.

• 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.

Intel^® B660 Chipset

• 1x USB 3.2 Gen2x2 20Gbps Type-C port on the back panel
• 1x USB 3.2 Gen 2 10Gbps Type-C port available through the internal connector
• 2x USB 3.2 Gen 1 5Gbps ports available through the internal connector
• 4x USB 2.0 ports on the back panel

USB Hub-GL3590

• 3x USB 3.2 Gen 2 10Gbps Type-A ports on the back panel

USB Hub-GL850G

• 4x USB 2.0 ports available through internal connectors

Realtek^® ALC1200 Codec

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

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

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.

• 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

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

1. 4x USB 2.0 Port
2. 1x DisplayPort 1.4
3. 3x USB 3.2 Gen 2 10Gbps Type-A
4. 1x 2.5G LAN Port
5. 2x Wi-Fi / Bluetooth Antenna
6. 5x HD Audio Connectors
7. 1x HDMI 2.1 Port
8. 1x USB 3.2 Gen 2x2 20Gbps Type-C
9. 1x Optical S/PDIF OUT

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

1. MSI^® does not guarantee the risks or damages caused by changing the cover.
2. These pictures are for reference only and may vary without notice.