RPI400 Raspberry PI 4GB

Par un écrivain mystérieux

Last updated 23 mai 2024

The Raspberry Pi 400 is a Raspberry Pi 4 built into a keyboard. Because it is basically a Raspberry Pi 4, the Raspberry Pi 400 has almost the same specifications as the Raspberry Pi 4 with 4 GB of memory. As such it also has Wi-Fi and Bluetooth. There are some differences, however.To fit the Raspberry Pi 4 inside a keyboard while keeping its connectors accessible, the board has been redesigned. Most of the Raspberry Pi 4’s connectors, including the 40-pin extension connector, are available at the rear side of the device, but not all.Soft power On/Off buttonCompared to the Raspberry Pi 4, the Raspberry Pi 400 is more accessible to newbies, simply because it is nicely packaged. It also has a soft power On/Off button, which is good. Missing : camera, display & A/V connectorsThe Raspberry Pi 400 did not inherit the camera, display, and analogue A/V connectors. Dropping the display and A/V connectors seems logical as sound and video are transported perfectly fine over HDMI (of which there are two); the camera can simply be replaced by a USB webcam.The microSD card connector finally has become a push-push type, which makes replacing the SD card much easier than on other Raspberry Pis, especially when these were mounted inside a case. For cost, size or other reasons, the Ethernet connector does not have LEDs anymore.SpecificationProcessor: Broadcom BCM2711 quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.8GHzRAM: 4GB LPDDR4-3200Connectivity:- Dual-band (2.4GHz and 5.0GHz) IEEE 802.11b/g/n/ac wireless LAN, Bluetooth 5.0, - - BLE- Gigabit Ethernet- 2 × USB 3.0 and 1 × USB 2.0 portsGPIO: Horizontal 40-pin GPIO headerVideo & sound: Multimedia:2 × micro HDMI ports (supports up to 4Kp60)- H.265 (4Kp60 decode);- H.264 (1080p60 decode, 1080p30 encode);- OpenGL ES 3.0 graphicsSD card support: Keyboard: MicroSD card slot for operating system and data storageKeyboard: 78- or 79-key compact keyboard (depending on regional variant)Power: 5V DC via USB connectorOperating temperature: 0°C to +50°CDimensions: 286 mm × 122 mm × 23 mm (maximum)