This article aims to present the mandatory and optional material needed for the STM32MP257F-DK 
Discovery kits: the part numbers are specified in the STM32MP25 microprocessor part numbers article.
Mandatory
| PC | Linux or Windows operating systems. See PC prerequisites for more details on the required configurations |
| STM32MP257x-DK Discovery kit | Flexible and complete development platform for the STM32MP25 microprocessor device including:
|
| microSDTM card | It is populated with OpenSTLinux distribution (Linux software), and provides extra storage capacity. An 16-Gbyte minimum microSD card is needed |
| USB type-C cable | It connects the STM32MP257x-DK Discovery kit to the PC through the USB type-C (ST-LINK/V3) connector |
| USB type-C cable | It connects the STM32MP257x-DK Discovery kit to a USB OTG device through the USB type-C connector |
Optional
| LCD screen - recommended | 2 types of screen are possible: LVDS or HDMI |
| USB keyboard and mouse | Thanks to the USB type A connectors, the STM32MP257x-DK Discovery kit can be equipped with a full-size keyboard and mouse |
| Ethernet cable | It can connect the STM32MP257x-DK Discovery kit to a network through the RJ45 connector |
| Camera | MIPI CSI-2 Camera |
Optionally, devices and extension boards might be plugged to the STM32MP257x-DK Discovery kit thanks to connectors such as:
- the GPIO expansion connector
- ...