MSI MAG B660 TOMAHAWK WIFI DDR4 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 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 memory
• 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 up to PCIe 4.0
  • PCI_E2 (From B660 chipset)
    • Support up to PCIe 3.0 x4
• 1x PCIe 3.0 x1 slot (From B660 chipset)

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

• 6x SATA 6Gb/s ports
  • SATA5~8 (From B660 chipset)
  • SATAA~B (From ASM1061)
• 3x M.2 slots (Key M)
  • M2_1 slot (From CPU)
    • Supports up to PCIe 4.0 x4
    • Supports 2242/ 2260/ 2280/ 22110 storage devices
  • M2_2 & M2_3 slots (From B660 chipset)
    • M2_2 supports up to PCIe 4.0 x4
    • M2_3 supports up to PCIe 4.0 x2 ¹
    • Supports SATA up to 6Gb/s
    • Supports 2242/ 2260/ 2280 storage devices
    • Intel^® Optane™ Memory
• Supports Intel^® Smart Response Technology for Intel Core™ processors

1. SATA7 will be unavailable when installing M.2 SATA SSD in the M2_3 slot.

RAID

• Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices ¹
• Supports RAID 0, RAID 1 and RAID 5 for M.2 NVMe storage devices

1. SATAA & SATAB do not support RAID function.

USB

AUDIO

Realtek^® ALC1220P Codec

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

LAN

• 1x Realtek^® RTL8125B-CG 2.5Gbps LAN controller

WIRELESS LAN & BLUETOOTH^®

Intel^® Wi-Fi 6

• The Wireless module is pre-installed in the M.2 (Key-E) slot
• Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ up to 2.4Gbps
• Supports 802.11 a/ b/ g/ n/ ac/ ax
• Supports Bluetooth^® 5.2

INTERNAL CONNECTORS

• 1x 24-pin ATX main power connector
• 2x 8-pin ATX 12V power connectors
• 6x SATA 6Gb/s connectors
• 3x M.2 slots (M-Key)
• 1x USB 3.2 Gen 2 10Gbps Type-C port
• 1x USB 3.2 Gen 1 5Gbps 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
• 5x 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

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

BACK PANEL PORTS

DIMENSIONS

• ATX Form Factor
• 12 in. x 9.6 in. (30.5 cm x 24.4 cm)