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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

  • ProcessorSupports 13th / 12th Gen Intel Core, Pentium Gold, Celeron P
  • ChipsetIntel B660
  • Form factorMicro ATX
  • CPU socketLGA 1700 * Dedicated LGA1700 mounting bracket is required.
  • Onboard video chipSupported only by CPU with integrated graphic
  • Memory slot count4 × 288pin (DDR5)
  • 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.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $146.99
Pricier than about 71% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Model namePRO B660M-A WIFI
Processor
ProcessorSupports 13th / 12th Gen Intel Core, Pentium Gold, Celeron Processors
CPU socketLGA 1700
* Dedicated LGA1700 mounting bracket is required.
ChipsetIntel B660
Memory
Memory slot count4 × 288pin (DDR5)
Max supported RAM128 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots2 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.
Optane memory supportYes
SATA and RAID support0/1/5/10
Graphics
Onboard video chipSupported only by CPU with integrated graphic
Audio & video
Audio chipRealtek ALC897
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek RTL8125BG
Maximum network speed2.5 Gbit/s
Wi-Fi standardIntel WI-FI 6
802.11 a/b/g/n/ac/ax
Bluetooth support5.2
Ports & slots
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
* Actual support may vary by CPU.
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
* Support PCIe 3.0 x4.
PCIe x1 slots1 x PCI Express 3.0 x1
Rear panel 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
Power
Power connectors1 × 24-pin ATX main power connector
1 × 8-pin ATX 12 V power connector
1 × 4-pin ATX 12 V power connector
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
LightingRGB

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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