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MSI MAG B660M MORTAR WIFI DDR4 User Manual

MSI MAG B660M MORTAR WIFI DDR4
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18
Overview of Components
Important
Always unplug the power cord from the power outlet before installing or removing
the CPU.
Please retain the CPU protective cap after installing the processor. MSI will deal
with Return Merchandise Authorization (RMA) requests if only the motherboard comes
with the protective cap on the CPU socket.
When installing a CPU, always remember to install a CPU heatsink. A CPU heatsink
is necessary to prevent overheating and maintain system stability.
Confirm that the CPU heatsink has formed a tight seal with the CPU before booting
your system.
Overheating can seriously damage the CPU and motherboard. Always make sure
the cooling fans work properly to protect the CPU from overheating. Be sure to apply
an even layer of thermal paste (or thermal tape) between the CPU and the heatsink to
enhance heat dissipation.
Whenever the CPU is not installed, always protect the CPU socket pins by covering
the socket with the plastic cap.
If you purchased a separate CPU and heatsink/ cooler, Please refer to the
documentation in the heatsink/ cooler package for more details about installation.
This motherboard is designed to support overclocking. Before attempting to
overclock, please make sure that all other system components can tolerate
overclocking. Any attempt to operate beyond product specifications is not
recommended. MSI® does not guarantee the damages or risks caused by inadequate
operation beyond product specifications.


The surface of the LGA1700 CPU has
four notches and a golden triangle to
assist in correctly lining up the CPU for
motherboard placement. The golden
triangle is the Pin 1 indicator.
Distance from the center of the
CPU to the nearest DIMM slot.
52.55 mm

Table of Contents

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MSI MAG B660M MORTAR WIFI DDR4 Specifications

General IconGeneral
Processor socketLGA 1700
Processor manufacturerIntel
Compatible processor seriesIntel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Pentium Gold
Non-ECCYes
Memory channelsDual-channel
Memory slots typeDIMM
Number of memory slots4
Supported memory typesDDR4-SDRAM
Maximum internal memory128 GB
Supported memory clock speeds2133, 2400, 2666, 2933, 3200, 3333, 3400, 3466, 3600, 3733, 3800, 4000, 4200, 4400, 4600, 4800 MHz
RAID levels0, 1, 5, 10
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, PCI Express 4.0, SATA III
Parallel processing technology supportCrossfire
USB 2.0 connectors2
Number of SATA III connectors6
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity3
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Bluetooth version5.2
Top Wi-Fi standardWi-Fi 6 (802.11ax)
Ethernet interface type2.5 Gigabit Ethernet
Component forPC
Motherboard chipsetIntel B660
Audio output channels7.1 channels
Motherboard form factormicro ATX
BIOS type-
Harmonized System (HS) code84733020
Weight1000 g
Weight and Dimensions IconWeight and Dimensions
Width244 mm
Height65 mm

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