SpeedyBee F4 Mini 3-6S 20x20 Stack/Combo (F405 FC / 35A 8Bit 4in1 ESC)
RDQ
manufacturer
Holybro
RDQ
Analog VTx
5V
9V
Barometer
—
Built-in
Built-in ESC
50 A
35 A
Connector
solder_pads
solder_pads
Current Sensor
false
true
Digital VTx
—
DJI
Dimensions
30x30 mm
32x35x14.2 mm
Dual Gyro
false
false
ESC Protocols
DShot150,OneShot125,Multishot
DShot300,DShot150,Multishot,Oneshot
Firmware
Betaflight
Betaflight,iNav
Flash Storage
—
8 MB
GPS Port
true
true
Gyroscope
IIM42652
ICM-42688-P
Gyro Rate
8 kHz
8 kHz
Input Voltage
4-6S
3-6S
All-in-One
true
true
LED Strip
true
true
Magnetometer
—
yes
MCU
STM32G4
STM32F405
Motor Outputs
4
4
Mounting
30.5x30.5
20x20
OSD
true
true
SD Card
—
false
UARTs
1
4
Weight
13.8 g
13.5 g
Wireless
—
WiFi
Frequently Asked Questions
Which is better, the Holybro FETTEC FC-G4 Stacks or the SpeedyBee F4 Mini 3-6S 20x20 Stack/Combo (F405 FC / 35A 8Bit 4in1 ESC)?+−
Both are capable flight controllers options. The best choice depends on your specific build requirements. Review the spec differences above to find which suits your needs — consider weight, power output, mounting compatibility, and price.
What is the difference between the Holybro FETTEC FC-G4 Stacks and SpeedyBee F4 Mini 3-6S 20x20 Stack/Combo (F405 FC / 35A 8Bit 4in1 ESC)?+−
The Holybro FETTEC FC-G4 Stacks is made by Holybro and the SpeedyBee F4 Mini 3-6S 20x20 Stack/Combo (F405 FC / 35A 8Bit 4in1 ESC) is made by RDQ. There are 12 spec differences between them — see the full comparison table above for details.
Are the Holybro FETTEC FC-G4 Stacks and SpeedyBee F4 Mini 3-6S 20x20 Stack/Combo (F405 FC / 35A 8Bit 4in1 ESC) compatible with the same drone builds?+−
Both the Holybro FETTEC FC-G4 Stacks and SpeedyBee F4 Mini 3-6S 20x20 Stack/Combo (F405 FC / 35A 8Bit 4in1 ESC) are in the Flight Controllers category and are broadly compatible with similar drone builds. Always verify mounting patterns, voltage requirements, and firmware support for your specific frame and flight controller.
