Model

PRO B660-A DDR4

P/N

911-7D59-001

CPU

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

Processor socket LGA1700

* Please go to msi.com to get the newest support status as new processors are released.

Chipset

Intel® B660 Chipset

Memory

4x DDR4 memory slots, support up to 128GB *

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)

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

Expansion Slot

2x PCIe x16 slots

PCI_E1 (from CPU)

Support PCIe 4.0 x16

PCI_E3 (From B660 chipset)

Support PCIe 3.0 x4

3x PCIe x1 slots (From B660 chipset)

1x M.2 slot with E-key for PCIe WiFi module only (M2_3)

Onboard Graphics

1x VGA port, supports a maximum resolution of 2048x1536 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 *

* Available only on processors featuring integrated graphics.

* Graphics specifications may vary depending on the CPU installed.

Multi-GPU

Supports AMD® CrossFire™ Technology

Audio

Realtek® ALC897 Codec

7.1-Channel High Definition Audio

Storage

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

SATA8 will be unavailable when installing M.2 SATA SSD in the M2_2 slot.

2x M.2 slots (Key M)

M2_1 slot (from CPU)

Supports PCIe 4.0 x4

Supports 2242/ 2260/ 2280/ 22110 storage devices

M2_2 slot (From B660 chipset)

Supports PCIe 4.0 x4

Supports SATA 6Gb/s

Supports 2242/ 2260/ 2280 storage devices

Support Intel® Optane™ Memory

Supports Intel® Smart Response Technology for Intel Core™ processors

Support Intel® Smart Response Technology for Intel Core™ processors

* 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

LAN

1x Intel® 8125BG 2.5SGbps LAN controller

USB

Intel® B660 Chipset

2x USB 3.2 Gen 2 10Gbps Type-A ports on the back panel

3x USB 3.2 Gen 1 5Gbps ports (2 Type-A ports on the back panel, 1 Type-C available through the internal connector)

6x USB 2.0 ports (2 Type-A ports on the back panel, 4 Type-A ports available through the internal connectors)

Asmedia ASM1074

2X USB 3.2 Gen 1 5Gbps Type-A ports through the internal connector

Internal Connectors

1x 24-pin ATX main power connector

1x 8+1x 4-pin ATX 12V power connectors

1x USB 3.2 Gen 1 5Gbps Type-C port (From B660 chipset)

1x USB 3.2 Gen 1 5Gbps connector (From B660 chipset)

Supports additional 2 USB 3.2 Gen 1 5Gbps ports

1x USB 2.0 connector (From USB Hub GL850G)

Supports additional 2 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 TPM module connector

1x Tuning controller connector

1x TBT connector (Supports RTD3)

1x Clear CMOS jumper

LED Features

1x 4-pin RGB LED connector

2x 3-pin RAINBOW LED connectors

4x EZ Debug LED

Back Panel Ports

1 Keyboard / Mouse

2 DisplayPort

3 2.5G LAN

4 USB 2.0

5 Audio Connectors

6 USB 2.0

7 VGA

8 HDMI

9 USB 3.2 Gen2 10Gbps (Type-A)

10 USB 3.2 Gen2 10Gbps (Type-C)

11 Optical S/PDIF Out

Dimensions

ATX Form Factor

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

Operating System

Support for Windows® 11 64-bit, Windows® 10 64-bit