I got cheap SSDs in cheap USB cases for my 2 Pis after getting annoyed with SD corruption. SSD prices have dropped recently after being flat for a long time. If

I got cheap SSDs in cheap USB cases for my 2 Pis after getting annoyed with SD corruption. SSD prices have dropped recently after being flat for a long time. If you are really cheap the cases often go for $1 or free after rebate at newegg.