Chipset

Intel® B660 chipset

Memory

2x DDR4 memory slots, support up to 64GB

Supports ADL-s 1R 2133/2666/2933/3200 MHz

1DPC 1R Max speed up to 4600+ MHz

1DPC 2R Max speed up to 4000+ MHz

Supports Dual-Channel mode

Supports non-ECC, un-buffered memory

Supports Intel® Extreme Memory Profile (XMP)

* Please refer www.msi.com for more information on compatible memory.

* See supported memory

Expansion slot

1x PCIe 4.0 x16 slot (from CPU)

1x PCIe 3.0 x1 slot (from B660 chipset)

Onboard graphics

x VGA port, supports a maximum resolution of 2048x1536 @50Hz, 2048x1280 @60Hz, 1920x1200 @60Hz

1x HDMI™ 2.1 with HDR port, supports a maximum resolution of 4K 60Hz

1x DisplayPort 1.4 port, supports a maximum resolution of 4K 60Hz (PRO B660M-G DDR4)

* Available for the processor with integrated graphics.

* Graphics specifications may vary depending on the CPU installed.

Audio

Realtek® ALC897 Codec

7.1-Channel High Definition Audio

LAN

1x   Realtek® RTL8125BG 2.5Gbps LAN controller

Storage

4x SATA 6Gb/s ports (From B660 chipset)

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)

Supports PCIe 4.0 x4

Supports SATA 6Gb/s

Supports 2242/ 2260/ 2280 storage devices

Supports Intel® Optane™ Technology

SATA7 will be unavailable when installing M.2 SATA SSD in the M2_2 slot.

* Intel® Optane™ Memory Ready. Before using Intel® Optane™ memory modules, please ensure that you have updated the drivers and BIOS to the latest version from MSI website.

RAID

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

USB

Intel® B660 Chipset

6x USB 3.2 Gen 1 5Gbps ports (4 Type-A ports on the back panel, 2 ports through the internal connector)

2x USB 2.0 Type-A ports on the back panel

USB Hub-GL850G

4x USB 2.0 ports available through internal connectors

Form factor

M-ATX Form Factor

9.6 in. x 8.7 in. (24.4 cm x 22.0 cm)

BIOS features

1x 256 Mb flash

UEFI AMI BIOS

ACPI 6.4, SMBIOS 3.4

Multi-language

Internal connectors

1x 24-pin ATX main power connector

1x 8-pin ATX 12V power connector

4x SATA 6Gb/s connectors

2x USB 2.0 connector (support additional 4 USB ports)

1x USB 3.2 Gen 1 5Gbps connector (support additional 2 USB ports)

1x 4-pin CPU fan connector

2x 4-pin system fan connectorx

1x Front panel audio connector

2x System panel connectors

1x Serial port connector

1x TPM module connector

1x Chassis Intrusion connector

1x Clear CMOS jumper

1x JRGB

2x JRAINBOW

1x Tuning Controller Connector

LED feature

4x EZ Debug LED

Back panel connectors

VGA

Keyboard / Mouse

LAN port

Audio connector

HDMI™

DisplayPort

USB 2.0

USB 3.2 Gen 1 5Gbps Type-A

Box content

PRO B660M-G DDR4 Motherboard

2 x M.2 Clips

2 x SATA Cables

I/O Shield

Driver DVD

MSI Case Badge

Quick Installation Guide

Product Registration Card