Most of the new Brands will fit the needs for most wallets, so you do not have to worry much about that. There are people

running desktop wallets on much older notebooks without any problems. You might have to invest in the biggest HDD you

can afford, because the Blockchain is growing bigger by the day.  

I saw somewhere that someone was running a Full node on a Lenovo T440 Thinkpad with an Intel i5, 4GB of RAM and a

500GB HDD.