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Green Micro ATX motherboard with black heatsinks and silver LGA 1700 socket

MSI

MSI B660M BOMBER DDR4 Intel motherboard

SKU CH-PGT0-YYBT3

Micro-ATX board for LGA 1700 CPUs with dual-channel DDR4 up to 4600 MHz and 64 GB capacity

  • CPU Socket TypeLGA 1700
  • CPU TypeSupports 12th Gen Intel Core™ Processors, Pentium Gold and C
  • ChipsetIntel B660
  • Memory StandardSupports dual-channel DDR4 4600 + (OC) MHz memory
  • Maximum Memory Supported64GB
  • PCI Slots1x PCIe x16 slot (From CPU) Supports up to PCIe 4.0 x16 1x P
  • Supports 12th Gen Intel Core processors on LGA 1700 socket
  • Dual-channel DDR4 memory up to 4600 MHz (OC) with 64 GB maximum capacity
  • PCIe 4.0 x16 slot for high-bandwidth graphics cards
  • Realtek 7.1-channel high-definition audio for immersive sound
  • Intel I219V 1 Gbps LAN controller for reliable wired networking

LGA 1700 micro-ATX foundation

The board uses the Intel B660 chipset on a micro-ATX layout measuring 23.6 by 20.0 cm. It accepts 12th Gen Intel Core, Pentium Gold and Celeron processors in an LGA 1700 socket. Dual-channel DDR4 memory runs up to 4600 MHz when overclocked and the maximum capacity is 64 GB.

Refurbished unit with core I/O

The product is sold as a quality refurbished item rated 90 to 80 percent new and will show traces of use. Every board passes a 100 percent inspection before shipment. Connectivity includes one PCIe 4.0 x16 slot from the CPU, one PCIe 3.0 x1 slot from the chipset, a single M.2 interface, 7.1-channel audio via Realtek ALC892 or ALC897 and an Intel I219V 1 Gbps LAN controller.

Minimal accessory bundle

The package contains only the motherboard, one SATA cable, a metal battery and the chassis I/O back panel. No original packaging or additional cables are supplied. Four USB 3.2 Gen 1 ports and six USB 2.0 ports are available through a mix of rear-panel and internal headers.

Highlights

  • Supports 12th Gen Intel Core processors on LGA 1700 socket
  • Dual-channel DDR4 memory up to 4600 MHz (OC) with 64 GB maximum capacity
  • PCIe 4.0 x16 slot for high-bandwidth graphics cards
  • Realtek 7.1-channel high-definition audio for immersive sound
  • Intel I219V 1 Gbps LAN controller for reliable wired networking

Specifications

BrandMSI
SeriesMSI B660M BOMBER DDR4
ModelMSI B660M BOMBER DDR4
CPU Socket TypeLGA 1700
CPU TypeSupports 12th Gen Intel Core™ Processors, Pentium Gold and Celeron Processors
Processor socket LGA1700
ChipsetIntel B660
Memory StandardSupports dual-channel DDR4 4600 + (OC) MHz memory
Maximum Memory Supported64GB
PCI Slots1x PCIe x16 slot (From CPU)
Supports up to PCIe 4.0 x16
1x PCIe x1 slot (From B660 chipset)
Supports PCIe 3.0 x1
SATA RAID1XM.2 interface
Audio ChipsetRealtek ALC892/ ALC897 Codec
7.1-Channel High Definition Audio
LAN Chipset1x Intel I219V 1Gbps LAN controller
Onboard USB4x USB 3.2 Gen 1 5Gbps ports (2 Type-A ports on the back panel, 2 ports available through the internal USB connector)
6x USB 2.0 ports (4 Type-A ports on the back panel(hub-GL850G), 2 ports available through the internal USB 2.0 connector)

Questions about this item

What PCIe generation does the CPU-linked x16 slot on the MSI B660M BOMBER DDR4 top out at?

The primary PCIe x16 slot connects to the CPU and supports up to PCIe 4.0 x16 bandwidth for graphics cards or high-speed add-in cards.

What are the exact board dimensions I need to check against my Micro-ATX case?

The board measures 23.6 cm by 20.0 cm, the standard Micro-ATX footprint that fits most compatible chassis.

Which screw hole do I use first when mounting this board, and why does it matter?

Start with the centre mounting hole to align the I/O shield ports, then secure the corners; skipping the centre often leaves the rear ports misaligned.

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