The only difference between them is the amount of cache they have. The LCV has 16MB, which the LC only has 4MB. The LCV is more for AV stuff, that's why it has so much cache.
"I'm confused, I was under the impression that more cache was better and would cost more money.:
MOre cache is better, that's why ATA 66/100 drives only have 2MB of cache. Maybe the LC version isn't as widely available anymore and that's why it costs more than the LCV version, or there could just be a sale on them. I should be getting one of those 36GB Seagate Cheetah 36LP (4MB cache model) drives in a few days.
As a compromise you could get one of the Quantum/Maxtor Atlas 10K II drives. They have an 8MB cache. I have a 36GB Atlas 10K II drive, too.
"One last question. These are SCSI-3 drives. Would they work on an Ultra-wide SCSI-2 controller? Sorry for all the newbie questions but I know almost next to nothing about SCSI. I'm trying to get into them since they seem like a more worthwhile investment than a $300 video card"
Yes you can run one of these drives on a UW controller. I wouldn't try to run more than one though, because performance would suffer a lot. The max bandwidth on UW controllers is 40MB/s, which for this drive should be enough. I think max sustained transfer rate for this drive is in the 30-40MB/s range(not counting burst speed of course). I wouldn't try using something like a Seagate Cheetah X15-36LP drive on a UW controller though. Those have a max sustained transfer rate somewhere in the 60-70MB/s range and performance would suffer if they were limited to 40MB/s.
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