The trays dont have firmware or anything like that to set the size. Many times we've used old 4.3GB trays, removed the hard disk and put larger capacity drives in them. Francois Zach Lowry wrote: > I have a Compaq Proliant 5000 [...] have a bunch of 2.1gb and 4.5gb > trays, but I'd like some larger ones, like 9gb or even 18gb.