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Compare MSI MAG B860M MORTAR WIFI vs MAG B660M MORTAR MAX WIFI DDR4

MSI MAG B860M MORTAR WIFI and MSI MAG B660M MORTAR MAX WIFI DDR4 are both motherboards with the same Form factor (Micro ATX), M.2 Ports (3) and RAM Slots (4). The main differences are in Socket, Chipset, Supported Memory and Audio Channels.
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Brand
MSI
Brand
MSI
Model
MAG B860M MORTAR WIFI
Model
MAG B660M MORTAR MAX WIFI DDR4
Release Date
📅 January 2025
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(2 reviews)
Price history
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Price history
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Compatible PC parts
Compatible PC parts
Socket
LGA1851
Socket
LGA1700
Form factor
Micro ATX
Form factor
Micro ATX
Chipset
Intel B860
Chipset
Intel B660
Supported Memory
DDR5
4800Mhz 5200Mhz 5600Mhz 5800Mhz 6000Mhz 6200Mhz 6400Mhz 6600Mhz 6800Mhz 7000Mhz 7200Mhz 7400Mhz 7600Mhz 7800Mhz 7900Mhz 7950Mhz 8000Mhz 8200Mhz 8266Mhz 8400Mhz 8600Mhz 9200Mhz
Supported Memory
DDR4
2133Mhz 2400Mhz 2666Mhz 3000Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 4000Mhz 4133Mhz 4266Mhz 4400Mhz 4600Mhz 4700Mhz 4800Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS
** RAM support may also depend on the CPU memory controller
ECC RAM Support
No
ECC RAM Support
No
Audio Chipset
-
Audio Chipset
Realtek ALC897
Audio Channels
7.1 Channels
Audio Channels
7.1-Channel High Definition Audio
Supports S/PDIF output
LAN Chipset
Killer E5000B
LAN Chipset
Realtek 8125BG
Max LAN Speed
5Gbps
Max LAN Speed
2.5Gbps
SLI Support
No
SLI Support
No
CrossFire Support
No
CrossFire Support
Yes
RAID Support
Yes
RAID Support
Yes
Back Connect
No
Back Connect
No
Back I/O Ports
  • 1 x Clear CMOS Button
  • 1 x DisplayPort
  • 1 x Flash BIOS Button
  • 1 x HDMI
  • 1 x LAN (RJ45)
  • 1 x Optical S/PDIF Out
  • 1 x Thunderbolt 4
  • 1 x USB 3.2 Gen 2 Type-C
  • 2 x Antenna Bracket
  • 2 x Audio Jacks
  • 3 x USB 3.2 Gen 2 Type-A
  • 4 x USB 2.0/1.1
Back I/O Ports
  • USB 2.0 Port
  • DisplayPort 1.4
  • USB 3.2 Gen 2 10Gbps Type-A
  • 2.5G LAN Port
  • Wi-Fi / Bluetooth Antenna
  • HD Audio Connectors
  • HDMI 2.1 Port
  • USB 3.2 Gen 2x2 20Gbps Type-C
  • Optical S/PDIF OUT
Wireless LAN
Yes
Wireless LAN
Yes
Wi-Fi Generation
7
Wi-Fi Generation
6E
PCI-Express x16 Slots
1
PCI-Express x16 Slots
2
PCI-Express x4 Slots
1
PCI-Express x4 Slots
0
PCI-Express x1 Slots
0
PCI-Express x1 Slots
1
SATA 6 Gbps Ports
4
SATA 6 Gbps Ports
6
SATA Express Ports
0
SATA Express Ports
0
M.2 Ports
3
M.2 Ports
3
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2260 / 2280 - M Key
  • 2260 / 2280 - M Key
M.2 Devices support
  • 2242 / 2260 / 2280 - M Key
  • 2242 / 2260 / 2280 - M Key
  • 2230 - E Key
RAM Slots
4
RAM Slots
4
Maximum Supported RAM
256 GB
Maximum Supported RAM
128 GB
Onboard USB 2.0
2
Onboard USB 2.0
2
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 1
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2
1
Onboard USB 3.2 Gen 2x2
0
Onboard USB 3.2 Gen 2x2
0

Comparison and key differences summary

⛔ You are comparing motherboards with different sockets. They cannot support the same CPUs. Try to compare motherboards within the same platform.

Reasons to buy the MSI MAG B860M MORTAR WIFI:

  • 28% cheaper, you can save $65.23
  • Newer Wi-Fi protocol
  • +1 Slots PCI-E x4
  • +128 GB maximum RAM supported
  • Supports back I/O Thunderbolt

Buy now

Reasons to buy the MSI MAG B660M MORTAR MAX WIFI DDR4:

  • Supports AMD CrossFire
  • +1 Slots PCI-E x16
  • +1 Slots PCI-E x1
  • +2 Ports SATA 6Gb/s

Buy now

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