Not only compatible with Raspberry Pi 4B and 3B, all Pi B-type boards are compatible. ^^ Hassle-free installation of 2.5" ssd, add your additional storage anytime, anywhere. Please note that the thickness of a 2.5" SSD cannot exceed 7mm. ^^ With a 12cm LED fan, silent, beautiful, and able to provide sufficient cooling for 4 Pis.
Note: This fan is not a PWM fan, can not control the air speed and temperature. ^^ Front pull-out, easy to replace one of unit, easy access to the RPi's I/O ports and SD card. ^^ The mounting plate also has a reserved SD card slot, so you can access and replace the SD card from the front side simply by using the
SD card adapter(ASIN: B09CKRDFTH).