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Green micro-ATX board with silver heatsinks, black slots and rear I/O shield

MSI

MSI PRO B660M-A WIFI DDR5 Intel motherboard

SKU CH-01YX-J2GBT

A Micro ATX board for 12th and 13th Gen Intel CPUs with DDR5 memory, dual M.2 slots, 2.5G LAN and WIFI 6

  • CPU Socket TypeLGA 1700 * Dedicated LGA1700 mounting bracket is required.
  • CPU TypeSupports 13th / 12th Gen Intel Core, Pentium Gold, Celeron P
  • ChipsetIntel B660
  • Onboard Video ChipsetSupported only by CPU with integrated graphic
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 1R 4800 (by JEDEC & POR) Max overclocking frequency: 1D
  • Supports 13th and 12th Gen Intel Core, Pentium Gold and Celeron CPUs on LGA 1700 socket
  • Dual-channel DDR5 memory up to 128 GB with overclocked speeds reaching 6200+ MT/s
  • Two M.2 slots with PCIe 4.0 x4 and SATA 6 Gb/s support for fast storage expansion
  • Realtek 2.5 GbE LAN plus WIFI 6 with MU-MIMO and BSS color for high-speed networking
  • 1-channel Realtek ALC897 audio with Core Boost digital power and M.2 Shield FROZR cooling

Socket & CPU Support

The board uses the LGA 1700 socket and runs 12th and 13th Gen Intel Core, Pentium Gold and Celeron processors. A dedicated LGA 1700 mounting bracket is required for cooler installation. A BIOS update may be needed before a 13th Gen CPU will post.

Memory Configuration

Four 288-pin slots accept DDR5 memory up to 128 GB in dual-channel mode. JEDEC speed is 4800 MT/s; overclocked limits reach 6200+ with one single-rank DIMM, 5200+ with one dual-rank DIMM and 4000+ when all four slots are populated.

Expansion & Connectivity

One PCIe 4.0 x16 slot, one PCIe 3.0 x16 slot wired at x4 and one PCIe 3.0 x1 slot provide add-in card options. Two M.2 Key M sockets support 2242, 2260 and 2280 drives; the CPU-linked slot runs PCIe 4.0 x4 while the chipset slot adds SATA 6Gb/s capability. Four SATA ports, 2.5 GbE LAN, WIFI 6 and 7.1-channel Realtek ALC897 audio complete the I/O.

Highlights

  • Supports 13th and 12th Gen Intel Core, Pentium Gold and Celeron CPUs on LGA 1700 socket
  • Dual-channel DDR5 memory up to 128 GB with overclocked speeds reaching 6200+ MT/s
  • Two M.2 slots with PCIe 4.0 x4 and SATA 6 Gb/s support for fast storage expansion
  • Realtek 2.5 GbE LAN plus WIFI 6 with MU-MIMO and BSS color for high-speed networking
  • 1-channel Realtek ALC897 audio with Core Boost digital power and M.2 Shield FROZR cooling

Specifications

BrandMSI
ModelPRO B660M-A WIFI
CPU Socket TypeLGA 1700
* Dedicated LGA1700 mounting bracket is required.
CPU TypeSupports 13th / 12th Gen Intel Core, Pentium Gold, Celeron Processors
ChipsetIntel B660
Onboard Video ChipsetSupported only by CPU with integrated graphic
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 1R 4800 (by JEDEC & POR)
Max overclocking frequency:
1DPC 1R Max speed up to 6200+
1DPC 2R Max speed up to 5200+
2DPC 1R Max speed up to 4000+
2DPC 2R Max speed up to 4000+
Maximum Memory Supported128GB
Channel SupportedDual Channel
PCI Express 4.0 x161 x PCI Express 4.0 x16
* Actual support may vary by CPU.
PCI Express 3.0 x161 x PCI Express 3.0 x16
* Support PCIe 3.0 x4.
PCI Express x11 x PCI Express 3.0 x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.22 x 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
* SATA8 will be unavailable when installing M.2 SATA SSD in the M2_2 slot.
Intel Optane ReadyYes
SATA RAID0/1/5/10
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetRealtek RTL8125BG
Max LAN Speed2.5Gbps
Wireless LANIntel WI-FI 6
802.11 a/b/g/n/ac/ax
BluetoothBluetooth 5.2
Back I/O Ports1 x LAN (RJ45)
2 x Antenna Bracket
2 x DisplayPort
2 x HDMI
1 x PS/2 Keyboard/Mouse Combo
2 x USB 2.0/1.1
2 x USB 3.2 Gen 1 Type-A
2 x USB 3.2 Gen 2 Type-A
3 x Audio Jacks
Onboard USB1 x USB 3.2 Gen 1 5Gbps Type-C connector (From B660 chipset)
1 x USB 3.2 Gen 1 5Gbps Type-A connector (From ASM1074), Supports additional 2 USB 3.2 Gen 1 5Gbps ports
2 x USB 2.0 Type-A connectors (From B660 chipset), Supports additional 4 USB 2.0 ports
Other Connectors1 x 4-pin CPU fan connector
1 x 4-pin water-pump fan connector
2 x 4-pin system fan connectors
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
1 x TPM module connector
1 x Tuning Controller connector
1 x TBT connector (supports RTD3)
1 x Serial port
1 x Clear CMOS jumper
1 x 4-pin RGB LED connector
2 x 3-pin RAINBOW LED connectors
4 x EZ Debug LED
Windows 11Supported
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 9.6"
Power Pin1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x 4-pin ATX 12V power connector

Questions about this item

What does 6200+ DDR5 overclocking mean once the board is in a real machine?

With one single-rank DIMM per channel the board can run memory up to 6200+ MT/s, but adding a second module per channel drops the ceiling to 4000 MT/s so the top speed depends on how many sticks you install.

What does the 2.5G LAN and WIFI 6 interface cap in practice?

The wired port tops out at 2.5 Gb/s and the wireless radio reaches 2400 Mb/s under MU-MIMO and BSS color operation, so real-world throughput will be limited by those ceilings.

What does the board physically need to fit or mount a CPU cooler?

A dedicated LGA 1700 mounting bracket is required for the socket, and the Micro ATX form factor fits standard standoff layouts in compatible cases.

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