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ASUS PRIME B660M-A D4

Keep DDR4 in an LGA1700 rebuild

Check with my buildRead the specifications ↓
The decision

The PRIME B660M-A D4 is a practical comparison point when usable DDR4 and an LGA1700 processor are already part of the plan. Its two PCIe 4.0 M.2 sockets allow a boot drive and a separate project or game drive. For an entirely new machine, compare the whole platform cost rather than choosing an older board solely to preserve inexpensive memory.

Consider it when

  • Reusing a matched DDR4 kit in a micro-ATX Intel build.

Look again when

  • You want DDR5, faster onboard networking, or an LGA1851 processor.

The checks that can change your choice

D4 changes the purchase decision

This exact D4 model has DDR4 slots and 1 Gb Ethernet. DDR5 cannot be installed even if the chosen Intel processor supports both memory generations. Later LGA1700 processors still require an exact CPU-support and BIOS check.

Prove the complete platform

Find the exact processor in this board’s CPU support list and compare its required BIOS with the installed version. Then check the exact memory kit, occupied slots and front-panel connectors. A matching socket or a published maximum memory capacity is only part of that check.

Published specifications

LGA1700; Intel B660; micro-ATX; four DDR4 slots; two PCIe 4.0 M.2 slots; Intel 1 Gb Ethernet.

BrandASUS
Exact modelPRIME B660M-A D4
SocketLGA1700
Memory generationDDR4
Form factormicro-ATX
Motherboard memory slots4
Motherboard memory limit128 GB; CPU, firmware and DIMM support must also be checked
Motherboard SATA ports4
Storage slot M.2_1M.2 2242, M.2 2260, M.2 2280; PCIe NVMe; PCIe 4 x4
Storage slot M.2_2M.2 2242, M.2 2260, M.2 2280; PCIe NVMe; PCIe 4 x4

Catalog record checked . Manufacturer specifications. The individual references below show the dates used for these model notes.

A different choice worth checking

MSI PRO B760M-A WIFI DDR4The PRO B760M-A WIFI DDR4 is useful when retaining a matched DDR4 kit still makes economic sense, but the older board’s networking or drive layout is limiting. Four memory slots, Wi-Fi 6E and 2.5 Gb Ethernet are concrete reasons to compare it with the PRIME B660M-A D4. Treat the DDR4 suffix as part of the model identity when ordering.Read this model’s tradeoffs ↗MSI PRO H610M-G DDR4The PRO H610M-G DDR4 fits a restrained LGA1700 build that reuses DDR4 and does not need several NVMe drives. Its two DIMM positions and single M.2 slot make capacity choices important at the outset. It is sensible to compare a B660 or B760 alternative once the system needs additional storage, networking or expansion rather than treating a chipset saving in isolation.Read this model’s tradeoffs ↗MSI B760 GAMING PLUS WIFIThe B760 GAMING PLUS WIFI is an LGA1700 DDR5 option for a full-size build needing Wi-Fi 6E, 2.5 Gb Ethernet and two M.2 drives. It is distinct from the DDR4 PRO B760M-A alternative: CPU support for both generations does not make their RAM interchangeable. Consider Z790 for a specific supported feature or connection rather than expecting the larger chipset name to improve every workload.Read this model’s tradeoffs ↗

These alternatives address related choices. Recheck their platform, connections and fit before treating one as a replacement.

Parts lists using this exact model

These lists show the surrounding components and the tradeoffs. They are editable planning examples, not measured systems.

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Sources and review notes

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