PRO B660M-A DDR4

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• Supports 12th Gen Intel Core™, Pentium Gold and Celeron processors for LGA 1700 socket
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• Supports DDR4 Memory, up to 4800+(OC) MHz
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• Core Boost : With premium layout and digital power design to support more cores and provide better performance
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• Memory Boost: Advanced technology to deliver pure data signals for the best performance, stability and compatibility
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• Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr
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• Premium Thermal Solution: 7W/mK pad, additional choke thermal pad and M.2 Shield Frozr are built for high performance system and non-stop works
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• 2.5G LAN: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection
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• Audio Boost: Reward your ears with studio grade sound quality
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CPU

Supports 12th Gen Intel Core™ Processors
Processor socket LGA1700
*Please go to www.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 memoryy
Supports Intel Extreme Memory Profile (XMP)
*Please refer to 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
1x PCIe 3.0 x1 slot (Fom B660 chipset)

ONBOARD GRAPHICS

2x HDMI 2.1 with HDR ports, supporting a maximum resolution of 4K 60Hz */
2x DisplayPort 1.4 ports with HBR3, supporting a maximum resolution of 4K 60 */
*Available only on processors featuring integrated graphics.
Graphics specifications may vary depending on the CPU installed.

AUDIO

Realtek ALC897 Codec
7.1-Channel High Definition Audio

STORAGE

4x SATA 6Gb/s ports (From B660 chipset)
2x M.2 slots (Key M)
M2_1 slot (From CPU)
Supports up to PCIe 4.0 x4
Supports 2242/ 2260/ 2280 storage devices
M2_2 slot (From B660 chipset)
Supports up to PCIe 4.0 x4
Supports up to SATA 6Gb/s
Supports 2242/ 2260/ 2280 storage devices
Supports Intel Optane™ Memory
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 Realtek RTL8125BG 2.5Gbps 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-pin ATX 12V power connector
1x 4-pin ATX 12V power connector
4x SATA 6Gb/s connectors
2x M.2 slots (M-Key)
1x USB 3.2 Gen 1 5Gbps Type-C port
1x USB 3.2 Gen 1 5Gbps Type-A connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2x USB 2.0 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 TPM module connector
1x Clear CMOS jumper
1x TBT connector (supports RTD3)
1x Serial port
1x Tuning Controller connector

LED FEATURES

1x 4-pin RGB LED connector
2x 3-pin RAINBOW LED connectors
4x EZ Debug LED

BACK PANEL PORTS

Keyboard / Mouse
DisplayPort
USB 3.2 Gen 1 5Gbps Type-A
LAN port
Audio connector
USB 2.0
HDMI
USB 3.2 Gen 2 10Gbps Type-A
PRO B660M-A DDR4

DIMENSIONS

Micro-ATX Form Factor
9.6 in. x 9.6 in. (24.4 cm x 24.4 cm)