these babes are great with the 34/50 pin adaptor in the portable ( notice the power draw )  its lower then the stock hd!.   and these things are fast.

*** oh well not this exact HD *** this one is IDE… but the SCSI version if you can ever find one for a decent price.

http://www.ebay.com/itm/Quantum-Internal-Hard-Drive-800MB-Trailblazer-for-Mac-Performa-Power-Mac-Mac-LC-/272003537597?hash=item3f54ac9abd:g:vXQAAOSwVL1WDaoA