MSI MAG B660 Tomahawk WiFi D4

Supports 12th Gen Intel® Core™, Pentium® Gold and Celeron®

processors 1 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 memory

Supports Intel® Extreme Memory Profile (XMP)

• 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)

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 Available only on processors featuring integrated graphics.

Graphics specifications may vary depending on the CPU installed.

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

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

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

SATAA & SATAB do not support RAID function.

Intel® B660 Chipset

• 1x USB3.2 Gen 2x2 20Gbps port (Type-C port on the back panel)
• 5x USB 3.2 Gen 2 10Gbps ports (4 Type-A ports on the back panel, 1 Type-C available through the internal connector)
• 2x USB 3.2 Gen 1 5Gbps Type-A ports available through the internal connector
• 8x USB 2.0 ports (4 Type-A ports on the back panel, 4 Type-A ports available through the internal connectors)

Realtek® ALC1220P Codec

7.1-Channel High Definition Audio

Supports S/PDIF output

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

• 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

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

• USB 2.0 Port
• DisplayPort 1.4
• 2.5G LAN Por
• Wi-Fi / Bluetooth Antenna
• HD Audio Connectors
• HDMI 2.1 Port
• USB 3.2 Gen 2 10Gbps Type-A
• USB 3.2 Gen 2x2 20Gbps Type-C
• Optical S/PDIF OUT

ATX Form Factor

12 in. x 9.6 in. (30.5 cm x 24.4 cm)