When sourcing Linux laptops, hardware compatibility is the most critical factor. Ensure the CPU (Intel or AMD) has well-documented kernel support. For RAM, a minimum of 16GB DDR4/DDR5 is recommended for professional developers. For the GPU, integrated graphics (Intel Iris Xe or AMD Radeon) offer the best 'out-of-the-box' stability, whereas NVIDIA GPUs may require proprietary drivers which can complicate deployment. Always verify that the Wi-Fi chipset (preferably Intel or Atheros) is supported by mainline Linux kernels to avoid connectivity issues.