That might have just been luck if your 6400 isn’t brittle. In the early 2000s I volunteered in a lab full of 5260s, 5400s, and 5500s and the plastic was alread

That might have just been luck if your 6400 isn’t brittle. In the early 2000s I volunteered in a lab full of 5260s, 5400s, and 5500s and the plastic was already brittle on the older units. The tabs on the motherboard tray were always the first to go.