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Micro ATX motherboard with black heatsinks and silver accents

MSI

MSI MAG B560M MORTAR Intel motherboard

SKU CH-AQQ4-56Z0W

Micro ATX board for LGA 1200 CPUs with DDR4 memory up to 128 GB, PCIe 4.0 slots, dual M.2, 2.5 Gbps LAN and USB 20 Gbps Type-C

  • ProcessorSupports 11th / 10th Gen Intel Core Processors Supports Pent
  • ChipsetIntel B560
  • Form factorMicro ATX
  • CPU socketLGA 1200
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4 5066(OC) / 5000(OC) / 4800(OC) / 4600(OC) / 4533(OC) /
  • Supports 11th and 10th Gen Intel Core processors via LGA 1200 socket
  • Four DDR4 slots accept up to 128 GB with overclocked speeds beyond 3200
  • Two M.2 slots and six SATA 6 Gb/s ports give flexible high-speed storage
  • 5 Gbps LAN and USB 3.2 Gen 2x2 20 Gbps Type-C deliver fast wired connectivity
  • Extended heatsink, M.2 Shield FROZR and Frozr AI Cooling keep thermals under control

LGA 1200 Micro ATX board for 10

This Micro ATX motherboard uses the Intel B560 chipset and an LGA 1200 socket to support 10th and 11th Gen Intel Core processors plus Pentium Gold and Celeron CPUs. Four DDR4 slots accept up to 128GB of memory with a long list of overclocked speeds. The board fits compact cases while still providing two full-length PCIe x16 slots and six SATA 6Gb/s ports.

Extended heatsink M.2 Shield FROZR and 2.5G LAN

An extended PWM heatsink covers the power delivery for sustained loads. The M.2 Shield FROZR acts as a thermal accessory for installed M.2 drives to limit throttling. A Realtek RTL8125B controller provides a 2.5Gbps LAN port with LAN manager software. Audio Boost circuitry delivers 7.1 channel output and the rear I/O includes a USB 3.2 Gen 2x2 Type-C port rated at 20Gbps. Frozr AI Cooling monitors CPU and GPU temperatures to adjust fan duty automatically.

PCIe 4.0 from CPU for 11 Gen or PCIe 3.0 for 10 Gen

The primary PCIe x16 slot and the first M.2 slot run at PCIe 4.0 x4 when an 11th Gen processor is installed and fall back to PCIe 3.0 with a 10th Gen CPU. The second PCIe x16 slot and the second M.2 slot are wired to the chipset at PCIe 3.0. This split determines the maximum bandwidth available to graphics cards and high-speed storage.

How it compares

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

Price $85.99
Cheaper than about 58% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Model nameMAG B560M MORTAR
Processor
ProcessorSupports 11th / 10th Gen Intel Core Processors
Supports Pentium Gold and Celeron Processors
CPU socketLGA 1200
ChipsetIntel B560
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 5066(OC) / 5000(OC) / 4800(OC) / 4600(OC) / 4533(OC) / 4400(OC) / 4300(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3300(OC) / 3200(OC) / 3000(OC) / 2933(JEDEC) / 2666(JEDEC) / 2400(JEDEC) / 2133(JEDEC) MHz
Max supported RAM128 GB
Storage
SATA ports6 x SATA 6Gb/s
M.2 slots2x M.2 slots (Key M)
M2_1 slot
Supports up to PCIe 4.0 x4 for 11th Gen Intel CPU (From CPU)
Supports up to PCIe 3.0 x4 & SATA 6Gb/s for 10th Gen Intel CPU (From B560 chipset)
Supports 2242/ 2260/ 2280 storage devices
M2_2 slot (From B560 chipset)
Supports up to PCIe 3.0 × 4
Supports 2242/ 2260/ 2280 storage devices
Intel Optane Memory Ready
Audio & video
Sound channels7.1 Channels
Connectivity
Ethernet controller1 x Realtek RTL8125B 2.5 Gbit/s LAN controller
Maximum network speed2.5 Gbit/s
Power
Power connectors1 × 24-pin ATX main power connector
1 × 8-pin ATX 12 V power connector
1 × 4-pin ATX 12 V power connector
Size & build
Form factorMicro ATX

Questions about this item

How often should I clean the extended PWM heatsink and M.2 Shield FROZR to maintain cooling performance?

Clean the extended PWM heatsink and M.2 Shield FROZR every 6 to 12 months using compressed air to remove dust buildup that can reduce thermal efficiency.

Which component hits its limit first during sustained heavy loads on this board?

The VRM area cooled by the extended PWM heatsink is the first to reach thermal limits under continuous high-current operation with multi-core 11th Gen CPUs.

How loud and hot does the board get when running all day with the Frozr AI Cooling active?

Frozr AI Cooling automatically adjusts fan duty based on CPU and GPU temperatures, keeping VRM and M.2 thermals in check while minimising acoustic output during extended sessions.

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