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Rectangular ATX motherboard, dark PCB with silver heatsinks and LGA 1700 socket

ASUS

ASUS PRIME B660-PLUS D4 Intel motherboard

SKU CH-506P-2E0S0

ATX board for 12th-generation Intel processors with DDR4 memory up to 128 GB, one PCIe 4.0 x16 slot and two M.2 sockets

  • ProcessorCore / Pentium / Celeron (12th Gen, LGA1700)
  • ChipsetIntel B660
  • Form factorATX
  • CPU socketLGA 1700
  • Supported memoryDDR4
  • Max supported RAM128 GB
  • Supports 12th Gen Intel Core, Pentium and Celeron processors via LGA 1700 socket
  • DDR4 memory standard allows up to 128GB total capacity
  • PCI Express 4.0 x16 slot delivers high bandwidth for modern graphics cards
  • Two M.2 slots provide flexible storage expansion options
  • ATX form factor fits standard desktop cases and offers full connectivity

Socket LGA 1700 ATX board for 12th Gen Intel builds

The ASUS PRIME B660-PLUS D4 is an ATX motherboard built around the Intel B660 chipset and LGA 1700 socket. It supports 12th Generation Core, Pentium and Celeron processors and accepts up to 128GB of DDR4 memory across four slots. Two M.2 sockets and a PCI Express 4.0 x16 slot provide expansion for storage and graphics.

Steady throughput on the B660 chipset

The B660 chipset delivers consistent bandwidth for the single PCI Express 4.0 x16 slot and both M.2 connectors during extended workloads. Four SATA ports and one USB 3.1 port maintain stable data rates without the thermal throttling sometimes seen on smaller boards. The DDR4 memory controller sustains rated speeds across all populated slots.

Passive chipset cooling keeps noise low

A heatsink on the B660 chipset dissipates heat without a fan, so the board adds no audible noise to a system. The 24-pin and 8-pin power connectors feed the socket and memory cleanly, and the ATX layout fits standard chassis without special clearance requirements. No I/O shield or extra cables are included in the box.

How it compares

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

Price $174.99
Pricier than about 77% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASUS
Model namePRIME B660-PLUS D4
Processor
ProcessorCore / Pentium / Celeron (12th Gen, LGA1700)
CPU socketLGA 1700
ChipsetIntel B660
Memory
Supported memoryDDR4
Max supported RAM128 GB
Storage
M.2 slots2 x M.2
Ports & slots
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe x16 slots1
PCI slots1 x PCI Slot
Ethernet port1 x RJ45
DisplayPort connectors1 x DisplayPort
USB 3.1 ports1 x USB 3.1
Size & build
Form factorATX

Questions about this item

How loud or hot does the PRIME B660-PLUS D4 get when running all day?

The board uses standard ATX layout with passive chipset cooling and fan headers for CPU and chassis fans, so noise and heat depend on the cooler and case airflow you pair with it.

What must I already own to make the PRIME B660-PLUS D4 work?

You need an LGA 1700 processor, DDR4 memory modules, an ATX power supply with 24-pin and 8-pin CPU connectors, a case that fits ATX, and your own I/O shield since none is included.

Will my existing PCI Express graphics card and SATA drives work in the PRIME B660-PLUS D4?

The board provides one PCI Express 4.0 x16 slot and one PCI slot for graphics cards, plus SATA ports for drives, so older PCIe and SATA devices will install and function.

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