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Scsi question..What is the difference in performance between a 68 pin and 80 pin hard drive?

The difference between the two is that 80 pin incorporates power connectors into the pinout hence more pins. 80 pin is known as SCA (Single Connection Attach) which us usually reserved for high end servers with backplane connectors so one can quickly swap or hot swap drives.

Both 68 and 80 versions are found in most high end SCSI hard drives. If you have a 80 drive and you want to use it in your system you need to get an adaptor which will allow you to connect regular Molex power plug to the hard drive ( be careful if drive is LVD! make sure adaptor is apporoved for LVD!)
 
Does anyone know what, exactly, differentiates the 80-to-68
pin adaptors that support LVD and those that don't. I have
some that do, and I can't really see any difference between
them and the cheapos...

Kwad
 
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