MSI MAG Z790 TOMAHAWK WIFI User Manual

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CPU_FAN1, PUMP_FAN1, SYS_FAN1~6: Fan Connectors
Fan connectors can be classified as PWM (Pulse Width Modulation) Mode or DC Mode.
PWM Mode fan connectors provide constant 12V output and adjust fan speed with
speed control signal. DC Mode fan connectors control fan speed by changing voltage.
The auto mode fan connectors can automatically detect PWM and DC mode.
You can control fans in BIOS> HARDWARE MONITOR panel. It allows you to set DC
or PWM to your fan type. Check the Smart Fan Mode, the fan speed will change
according to the CPU or system temperature. Uncheck the Smart Fan Mode, the fan
will spin at maximum speed.

Important
Make sure fans are working properly after switching the PWM/ DC mode.
CPU_FAN1
SYS_FAN6
SYS_FAN2
SYS_FAN3
SYS_FAN4
SYS_FAN5
PUMP_FAN1
SYS_FAN1
1
PWM Mode pin definition
Pin Signal Name Pin Signal Name
1 Ground 2 +12V
3 Sense 4 Speed Control Signal
DC Mode pin definition
Pin Signal Name Pin Signal Name
1 Ground 2 Voltage Control
3 Sense 4 NC
Fan connector specifications
Connector Default fan mode Max. current Max. power
CPU_FAN1 Auto mode 2A 24W
PUMP_FAN1 PWM mode 3A 36W
SYS_FAN1~6 DC mode 1A 12W

MSI MAG Z790 TOMAHAWK WIFI Specifications

General

Processor manufacturer	Intel
Compatible processor series	Intel Celeron, Intel Pentium Gold
Supported processor sockets	LGA 1700
Maximum internal memory supported by processor	192 GB
ECC	No
Non-ECC	Yes
Memory channels	Dual-channel
Number of memory slots	4
Supported memory types	DDR5-SDRAM
Supported memory clock speeds	4800, 5200, 5400, 5600, 5800, 6000, 6200, 6400, 6600, 6800, 7000, 7200 MHz
Supported memory clock speed (max)	7200 MHz
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	5.3
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
Ethernet interface type	2.5 Gigabit Ethernet
USB 2.0 connectors	2
Number of SATA II connectors	0
Number of SATA III connectors	7
USB 3.2 Gen 2 (3.1 Gen 2) connectors	1
DisplayPort version	1.4
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.
RAID levels	0, 5, 10
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	M.2, PCI Express
Cables included	SATA
BIOS type	UEFI AMI
ACPI version	6.4
BIOS memory size	256 Mbit
System Management BIOS (SMBIOS) version	3.5
Parallel processing technology support	Not supported
Component for	PC
Product color	Black
Motherboard chipset	Intel Z790
Audio output channels	7.1 channels
Motherboard form factor	ATX
Windows operating systems supported	Windows 10 x64, Windows 11 x64

Weight and Dimensions

Depth	304.8 mm
Width	243.84 mm