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ASUS PRIME B660M-K D4-CSM mATX motherboard, black PCB with silver heatsinks

ASUS

ASUS PRIME B660M-K D4-CSM Intel motherboard

SKU CH-15EV-FMTDF

mATX board for 12, 13 and 14th gen Intel CPUs with DDR4, PCIe 4.0, two M.2 slots and IT management software

  • CPU Socket TypeLGA 1700
  • Supports 12th, 13th and 14th gen Intel CPUs with LGA 1700 socket
  • Stable power delivery via 8-pin ProCool connector, alloy chokes and durable capacitors
  • Effective thermal control with VRM and PCH heatsinks plus hybrid fan headers
  • Fast storage and I/O through PCIe 4.0, two M.2 slots and front USB 3.2 Gen 1
  • Simplified IT management using ASUS Control Center Express monitoring software

Socket & Form Factor

This is an ASUS PRIME B660M-K D4-CSM motherboard built on the Intel B660 chipset. It uses the LGA 1700 socket and a micro-ATX layout, supporting 12th, 13th and 14th generation Intel processors. The board targets system builders who want a compact foundation with PCIe 4.0 and DDR4 memory support.

Best Fit

It suits offices and home users upgrading to a current Intel platform while keeping existing DDR4 modules. The two M.2 slots, front USB 3.2 Gen 1 header and Realtek 1G LAN cover typical productivity needs. Builders who need four RAM slots, additional PCIe expansion or a larger ATX form factor should look elsewhere.

Deciding Spec

The board provides only two DDR4 DIMM slots, limiting total memory to two modules. If your build requires four sticks or higher aggregate capacity than two slots allow, this motherboard will not meet that requirement.

Highlights

  • Supports 12th, 13th and 14th gen Intel CPUs with LGA 1700 socket
  • Stable power delivery via 8-pin ProCool connector, alloy chokes and durable capacitors
  • Effective thermal control with VRM and PCH heatsinks plus hybrid fan headers
  • Fast storage and I/O through PCIe 4.0, two M.2 slots and front USB 3.2 Gen 1
  • Simplified IT management using ASUS Control Center Express monitoring software

Specifications

CPU Socket TypeLGA 1700

Questions about this item

Which Intel processors fit the LGA 1700 socket on this board?

12th, 13th and 14th generation Intel Core processors install directly into the LGA 1700 socket.

Can I reuse my existing DDR4 memory with this motherboard?

Yes, the board has four DDR4 DIMM slots so your current DDR4 modules will work without replacement.

How can I confirm the PCIe 4.0 M.2 slots are running at full speed after build?

Enter the BIOS or use a system-info utility and verify each M.2 drive shows a PCIe 4.0 x4 link.

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