SCA SCSI hard drive performace?

[chrisfrog]

do the sca 80pin hard drives decrease performance at all when using a 80pin -> 68pin adapter??

just kinda curious, they got some cheap drives for sale on ebay...

SEAGATE 36.4GB 10,000 RPM Cheetah Ultra2 LVD 80 Pin SCA SCSI Hard Drive (ST136403LC)


$159

 

[GoSharks]

nope, they are of exact same performance as long as you get a lvd convertor as opposed to a UW convertor.

 

[dkozloski]

When properly installed and configured there is absolutely no difference in performance, longevity or any other parameter between SCA and 68 pin drives of the same model.

 

[kjmcdonald]

SCA != LVD

You can have both together, but you can also get SCA on either single ended or regular
differential SCSI.

SCA is just a different type of 68pin wide SCSI connector. The extra 12 pins carry the power
and drive ID assignment. on a SCA drive, the SCA connector is the only connector.
On a 68 pin drive you have a separate power connector, and you usually have jumpers to
set the SCSI ID. SCA was developed for hot pluggable drives.

-Kyle