Model

Brand	MSI
Model	MAG B660M MORTAR WIFI DDR4

Supported CPU

CPU Socket Type	LGA 1700 * Dedicated LGA1700 mounting bracket is required.
CPU Type	Supports 13th / 12th Gen Intel Core, Pentium Gold, Celeron Processors

Chipsets

Chipset	Intel B660

Onboard Video

Onboard Video Chipset	Supported only by CPU with integrated graphic

Memory

Number of Memory Slots	4x288pin (DDR4)
Memory Standard	Supports 1R 2133/ 2666/ 3200 MHz (by JEDEC & POR) Max overclocking frequency: 1DPC 1R Max speed up to 5333+ 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) Please refer to www.msi.com for more information on compatible memory.
Maximum Memory Supported	128GB
Channel Supported	Dual Channel

Expansion Slots

PCI Express 4.0 x16	1 x PCI Express 4.0 x16
PCI Express 3.0 x16	1 x PCI Express 3.0 x16
PCI Express x1	1 x PCI Express 3.0 x1
Other Slots	1 x M.2 Key E (CNVi)

Storage Devices

SATA 6Gb/s	4x SATA 6Gb/s ports (SATA5~8, from B660 Chipset) 1 2x SATA 6Gb/s ports (SATA_A & SATA_B, from ASMedia ASM1061)
M.2	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.
Intel Optane Ready	Yes

Onboard Audio

Audio Chipset	Realtek ALC1200
Audio Channels	7.1 Channels

Onboard LAN

LAN Chipset	Realtek 8125BG
Max LAN Speed	1x Realtek® 8125BG 2.5Gbps LAN controller
Wireless LAN	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
Bluetooth	Bluetooth 5.2

Rear Panel Ports

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

Internal I/O Connectors

Other Connectors

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

Physical Spec

Form Factor	Micro ATX
LED Lighting	RGB
Dimensions (W x L)	9.6 in. x 9.6 in. (24.4 cm x 24.4 cm)

Windows Compatibility

Windows 11	Supported