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Black micro-ATX motherboard with silver heatsinks and pre-installed I/O shield

MSI

MSI MAG B660M BAZOOKA DDR4 Intel motherboard

SKU CH-V3SJ-MHC1P

Micro-ATX board for 12th and 13th Gen Intel CPUs with DDR4 memory, dual Gen4 M.2 slots, 2.5 Gbps LAN and extended VRM heatsinks

  • ProcessorSupports 13th / 12th Gen Intel Core, Pentium Gold, Celeron P
  • ChipsetIntel B660
  • Form factorMicro ATX
  • CPU socketLGA 1700 * Dedicated LGA1700 mounting bracket is required.
  • Onboard video chipSupported only by CPU with integrated graphic
  • Memory slot count4 × 288pin (DDR4)
  • Supports 12th and 13th Gen Intel Core CPUs on LGA 1700 socket
  • Extended PWM heatsink keeps high-end processors running at full speed
  • Gen4 M.2 slots deliver up to 64 Gbps bandwidth for fast storage
  • 5 Gbps LAN with Realtek 8125BG gives low-latency wired networking
  • Four DDR4 slots support up to 128 GB at 4800+ MT/s dual-channel

Socket LGA 1700 DDR4 motherboard

The MSI MAG B660M BAZOOKA DDR4 uses the Intel B660 chipset to support 12th and 13th Gen Core, Pentium Gold and Celeron processors in a Micro ATX form factor. Four 288‑pin slots accept up to 128 GB of DDR4 4800 memory in dual‑channel mode. One PCIe 4.0 x16 slot, one PCIe 3.0 x16 slot and a PCIe 3.0 x1 slot handle graphics and add‑in cards.

Extended heatsink and M.2 thermal solution

An extended PWM heatsink covers the power delivery area to keep high‑end CPUs running at full speed without active cooling on the VRM. The M.2 Shield Frozr sits over both Gen4 x4 slots to draw heat away from installed SSDs and prevent throttling. A pre‑installed I/O shield adds EMI protection and simplifies the build process.

2.5 Gbps LAN and four SATA ports

The Realtek 8125BG controller provides a single 2.5 Gbps Ethernet port with LAN Manager software for traffic prioritisation. Four SATA 6 Gb/s connectors support traditional hard drives and SATA SSDs. Realtek ALC897 audio delivers 7.1‑channel output for speakers or headsets. A dedicated LGA 1700 mounting bracket is required for cooler installation.

How it compares

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

Price $149.99
Pricier than about 71% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Model nameMAG B660M BAZOOKA DDR4
Processor
ProcessorSupports 13th / 12th Gen Intel Core, Pentium Gold, Celeron Processors
CPU socketLGA 1700
* Dedicated LGA1700 mounting bracket is required.
ChipsetIntel B660
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 4800+ (OC)
Max supported RAM128 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots2 x M.2 Gen4 x4 64 Gbit/s slots
Optane memory supportYes
Graphics
Onboard video chipSupported only by CPU with integrated graphic
Audio & video
Audio chipRealtek ALC897
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek 8125BG
Maximum network speed2.5 Gbit/s
Ports & slots
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
PCIe x1 slots1 x PCI Express 3.0 x1
Rear panel ports1 x DisplayPort
1 x HDMI
1 x LAN (RJ45)
1 x PS/2 Keyboard/Mouse Combo
2 x USB 2.0/1.1
2 x USB 3.2 Gen 1
2 x USB 3.2 Gen 2
3 x Audio Jacks
Size & build
Form factorMicro ATX
Compatibility
Windows 11 supportSupported
More details
LightingRGB

Questions about this item

How do I install the LGA 1700 CPU and what step is commonly missed?

A dedicated LGA 1700 mounting bracket is required; many builders forget to fit it before seating the processor.

What maintenance will the M.2 thermal solution need later?

The M.2 Shield Frozr heatsink is passive; just clear dust from its fins during routine cleaning to keep SSD temperatures low.

What limit appears first when the 2.5 Gbps LAN runs at full load for a long time?

The Realtek 8125BG controller caps wired throughput at 2.5 Gbps, so sustained transfers cannot exceed that ceiling.

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