MSI PRO B660M-A WIFI DDR4 User Manual

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BIOS Setup
The default settings offer the optimal performance for system stability in normal
conditions. You should always keep the default settings to avoid possible system
damage or failure booting unless you are familiar with BIOS.

Important
 BIOS items are regularly updated for better system performance. The items may
be slightly different from the latest BIOS; therefore, the description is for reference
only. You could also refer to the HELP information panel for BIOS item description.
 The BIOS screens, options and settings will vary depending on your system.
Entering BIOS Setup
Press Delete key when the Press DEL key to enter Setup Menu, F11 to enter Boot
Menu message appears on the screen during the boot process.
Function key
F1: General Help list
F2: Add/ Remove a favorite item
F3: Enter Favorites menu
F4: Enter CPU Specifications menu
F5: Enter Memory-Z menu
F6: Load optimized defaults
F7: Switch between Advanced mode and EZ mode
F8: Load Overclocking Profile
F9: Save Overclocking Profile
F10: Save Change and Reset*
F12: Take a screenshot and save it to USB flash drive (FAT/ FAT32 format only).
Ctrl+F: Enter Search page
* When you press F10, a confirmation window appears and it provides the modification
information. Select between Yes or No to confirm your choice.
BIOS User Guide
If you’d like to know more instructions on setting up the BIOS, please refer
to http://download.msi.com/manual/mb/Intel600BIOS.pdf
or scan the QR code to access.
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Important
Functions may vary depending on the product you have.

MSI PRO B660M-A WIFI DDR4 Specifications

General

Processor socket	LGA 1700
Processor manufacturer	Intel
Compatible processor series	Intel® Core™ i9
Non-ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	2133, 2400, 2666, 2933, 3200, 3333, 3400, 3466, 3600, 3733, 3800, 4000, 4200, 4266, 4400, 4600, 4800 MHz
RAID levels	0, 1, 5, 10
Supported storage drive types	SSD
Supported storage drive interfaces	M.2, SATA III
DirectX version	12.0
Parallel processing technology support	Not supported
USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
USB 2.0 ports quantity	USB 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.
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Bluetooth version	5.2
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
Ethernet interface type	2.5 Gigabit Ethernet
Audio chip	Realtek ALC897
Component for	PC
Motherboard chipset	Intel B660
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 10, Windows 11
BIOS type	EFI AMI
System Management BIOS (SMBIOS) version	3.2
Cables included	SATA
Harmonized System (HS) code	84733020
Weight	1000 g

Weight and Dimensions

Width	244 mm
Height	86 mm