MSI MAG B660 Tomahawk Wifi DDR4

PROCESSOR
Supports 12th Gen Intel Core, Pentium Gold and Celeron processors 1
Processor socket LGA1700

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)

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
1x DisplayPort 1.4 port with HBR3, supports a maximum resolution of 4K 60Hz
Available only on processors featuring integrated graphics.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
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
SATAA & SATAB do not support RAID function.

AUDIO
Realtek ALC1220P Codec
7.1-Channel High Definition Audio
Supports S/PDIF output

LAN
1x Realtek RTL8125B-CG 2.5Gbps LAN controller