Quick Summary
The ASUS Prime B660M-K D4 is an mATX motherboard for the Intel B660 platform with an LGA 1700 socket. It is set out for 12th gen Intel processors and includes PCIe 4.0, two M.2 slots, DDR4 support, Realtek 1Gb Ethernet, HDMI, D-Sub, front USB 3.2 Gen 1 and Asus Lighting Control.
It brings together several connectivity and cooling-related features in one board, so it is worth checking your processor, memory and display connection needs before ordering.
Who It Is Best For
This board suits buyers building or replacing a system around the Intel B660 platform and the LGA 1700 socket. It is also relevant if you need an mATX motherboard with the listed display outputs, wired networking and front USB 3.2 Gen 1 support.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | ASUS, for buyers looking for this specific motherboard range. |
| Model | Prime B660M-K D4, which identifies the exact board variant. |
| Chipset | Intel B660, so the board is aimed at systems using that platform. |
| Socket | LGA 1700, so processor fit needs to match this socket. |
| Form factor | mATX, which is useful when checking case compatibility. |
| Memory support | DDR4, so buyers should match their chosen memory type. |
| Expansion and storage | PCIe 4.0 and two M.2 slots for the stated expansion and storage layout. |
| Networking | Realtek 1Gb Ethernet for wired network connection. |
| Display outputs | HDMI and D-Sub, which may matter if your monitor connection depends on these ports. |
| Front-panel connectivity | Front USB 3.2 Gen 1 is included for compatible case connections. |
| Cooling-related features | VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert are listed as part of the cooling setup. |
Why Buyers Choose It
- PCIe 4.0 and two M.2 slots give the board the stated storage and expansion options in one layout.
- DDR4 support helps buyers match it with the memory type they already plan to use.
- Realtek 1Gb Ethernet provides a wired network connection without needing to add a separate adapter.
- HDMI and D-Sub offer two named display output options, which is useful when matching monitor input requirements.
What To Know Before You Buy
Check that your processor uses the LGA 1700 socket and that your build is intended for the Intel B660 platform. Confirm that your case supports mATX boards and that your memory choice is DDR4. If you plan to use the display outputs, make sure your monitor or adapter setup matches the available HDMI and D-Sub connections.
Also review the front USB 3.2 Gen 1 and M.2 requirements against the rest of your build so the board suits the parts you already have in mind.
Common Buyer Questions
What processor socket does this motherboard use?
It uses the LGA 1700 socket, so the CPU must match that fit.
What memory type does it support?
It supports DDR4 memory.
How many M.2 slots are listed?
Two M.2 slots are listed, which is useful if you want multiple supported storage devices.
Which display outputs are included?
HDMI and D-Sub are listed as the available display outputs.
Final Buying View
This motherboard is a clear fit for an Intel B660, LGA 1700, DDR4-based build where the listed storage, networking and display connections matter. Check the socket, memory type and case size before you choose this exact board.
