MSI MAG B660M Mortar 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 128GB1
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 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 2-Way 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
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
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
SATA_A & SATA_B do not support RAID function.