The STM32H735G-DK Discovery kit is a complete demonstration and development platform for Arm Cortex-M7 core-based STM32H735IGK6U microcontroller, with 1 Mbyte of Flash memory and 564 Kbytes of SRAM. The STM32H735G-DK Discovery kit is used as a reference design for user application development before porting to the final product, thus simplifying the application development.
Key Features

STM32H735IGK6U microcontroller featuring 1Mbyte of Flash memory and 564Kbytes of SRAM in UFBGA176+25 package
4.3″ TFT 480272 pixels colored LCD module with capacitive touch panel and RGB interface
Ethernet compliant with IEEE-802.3-2002 and PoE (Power over Ethernet)
USB OTG FS
SAI audio codec
One ST-MEMS digital microphone
512-Mbit Octal-SPI NOR Flash memory
128-Mbit HyperRAM
Two user LEDs
User and reset push-buttons
Fan-out daughterboard
Three CANFDs
Board connectors:

USB FS Micro-AB
USB ST-LINKMicro-B
Ethernet RJ45
Stereo headset jack including analog microphone input
Audio header for external speakers
microSD card
TAG connector 10-pin footprint
SMA connector
Arm Cortex10-pin 1.27mm-pitch debug connector over STDC14 footprint
ARDUINOUno V3 expansion connector
STMod+ expansion connector
Pmod Type-2A and Type-4A expansion connector
Audio MEMS daughterboard expansion connector

Flexible power-supply options:

STLINK-V3E USB connector
USB OTG FS connector
5V delivered by RJ45 (Power over Ethernet)
5V delivered by ARDUINO
USB charger

On-board STLINK-V3E debugger/programmer with USB re-enumeration capability: mass storage, Virtual COM port, and debug port

Comprehensive free software libraries and examples available with the STM32CubeH7 MCU Package

Support of a wide choice of Integrated Development Environments (IDEs) including IAR, Keil, and STM32CubeIDE

Resources
Datasheet
User Manual

FAQs:

Q: What microcontroller is featured on the STM32H735G-DK development board?
A: The STM32H735G-DK features the STM32H735IG, a dual-core Arm Cortex-M7 and Cortex-M4 MCU.
Q: What are the onboard peripherals included in the STM32H735G-DK?
A: The development board includes various peripherals like a 4.3-inch color LCD with capacitive touch, Ethernet, Wi-Fi module, USB OTG, microSD card slot, and Arduino Uno V3 connectors.
Q: What are the connectivity options available on the STM32H735G-DK?
A: The board offers connectivity through Ethernet, Wi-Fi, USB OTG, and microSD card slot. It also has Arduino Uno V3 and camera module connectors for expansion.
Q: What software and tools are compatible with the STM32H735G-DK?
A: The kit is compatible with STM32CubeMX configurator and various IDEs that support STM32 development, including those from Keil, IAR, and others.
Q: What applications can I develop using the STM32H735G-DK?
A: The development kit is suitable for a wide range of applications, including motor control, machine vision, home audio, industrial automation, medical devices, and consumer electronics.