Below is a list of components you will need to build your own Pi-hole. If you don’t wan to build your own Pi-hole, you can purchase one pre-built & configured. Purchase one here – https://blacklab.net/product/ubuntu-linux-based-pi-hole/
You must use a 16GB SanDisk Micro SDHC drive to use the image below. Others may or may not work.
16GB Preconfigured downloadable Ubuntu 22.04 image – https://drive.proton.me/urls/QVJJ9ZZPM4#zFYpusj20LOM
Libre Computer Board AML-S905X-CC (Le Potato) 2GB 64-bit Mini Computer for 4K Media
Smraza Raspberry Pi 3 B+ Case with Fan, RPI Heatsinks, 5V 3A Power Supply for Raspberry Pi 3 Model B+(B Plus), Compatible with Raspberry Pi 3 Model B, Pi 2 Model B (4 Layers Case)
SanDisk Ultra 16GB Ultra Micro SDHC UHS-I/Class 10 Card with Adapter (SDSQUNC-016G-GN6MA)
From my past experiences, only buy SanDisk
Amazon Basics RJ45 Cat 6 Male to Male Ethernet Patch Internet Cable, 1Gpbs Transfer Speed, Gold-Plated Connectors, 3 Foot, Black