Chosen Solution

Hi guys, I have a first-generation 2006 Mac Pro 1.1 with a bad backplane, and wonder, if i can use a 2.1 2007 backplane on it. Indeed, i found a very good price for a 2.1 backplane, around 25 bucks. So, if it’s doable, i’ll be very happy. Thank you

It should work just fine.