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MSI MAG B660M Mortar WiFi DDR4 Gaming Motherboard (mATX, 12th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, 2.5G LAN, M.2 Slots, Wi-Fi 6)

MSI MAG B660M Mortar WiFi DDR4 Gaming Motherboard

Bottom line: The MSI MAG B660M Mortar WiFi DDR4 Gaming Motherboard: Wi-Fi 6 plus 2.5G LAN onboard, no add-in card needed; main trade-off: DDR4 only, so no upgrade path to DDR5 kits.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Wi-Fi 6 plus 2.5G LAN onboard, no add-in card needed
  • ✓ PCIe Gen 4 M.2 with M.2 Shield Frozr heatsink
  • ✓ Extended VRM heatsink for sustained multi-core loads
  • ✓ DDR4 support reuses existing kits on LGA 1700

Cons

  • ✗ DDR4 only, so no upgrade path to DDR5 kits
  • ✗ LGA 1700 limits it to 12th Gen Core, Pentium, Celeron
  • ✗ mATX layout means fewer expansion slots than ATX
  • ✗ MSI pitches MAG at entry-level gamers, not enthusiasts

Manufacturer description

The MAG series was born through rigorous quality testing and designed to be a symbol of sturdiness and durability. Focused on providing the best user experience, the MAG series has a simple installation process coupled with a friendly user interface making it the best choice for entry level gamers.

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SpecPicks Verdict

SpecPicks scored MSI MAG B660M Mortar WiFi DDR4 Gaming Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the motherboards category. Compare with similarly-priced alternatives in the motherboards category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Supports 12th Gen Intel Core Pentium Celeron processors for LGA 1700 socket
  • Supports DDR4 Memory
  • Premium Thermal Solution: Extended Heatsink Design and M.2 Shield Frozr are built for high performance system and non-stop works
  • 2.5G LAN and Intel Wi-Fi Solution: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection
  • Lightning M.2: Running at PCIe Gen 4 maximizes performance for NVMe based SSDs

Full Specifications

Brandmsi
Weight2.5g
USB 2.02
PlatformiOS
CPU ModelPentium
CPU SocketLGA 1700
Model NameB660M Mortar
Unit Count1 Count
Chipset TypeIntel
ConnectivityWiFi
Model NumberMAG B660M MORTAR WIFI DDR4
Lightning M.2Running at PCIe Gen 4 maximizes performance for NVMe based SSDs
Mfr Part Number9B13-144-522
Number of Items1
Number of Ports2
Total Usb Ports2
Processor SocketLGA 1700
Total PCIe Ports2
Total SATA Ports6
Compatible Devices12th Gen Intel Core, Personal Computer
Full listing titleMSI MAG B660M Mortar WiFi DDR4 Gaming Motherboard (mATX, 12th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, 2.5G LAN, M.2 Slots, Wi-Fi 6)

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MSI MAG B660M Mortar WiFi DDR4 Gaming Motherboard (mATX, 12th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, 2.5G LAN, M.2 Slots, Wi-Fi 6) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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MSI MAG B660M Mortar WiFi DDR4 Gaming Motherboard (mATX, 12th Gen Intel Core, LGA 1700 Socket, DDR4, PCIe 4, 2.5G LAN, M.2 Slots, Wi-Fi 6)
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