Originally posted by: kidjan
Originally posted by: servicepack100
Is anyone using a U160 15,000 rpm hard drive on thier windows desktop machine ? If so, is the performance good enough to justify the extra money over a WD 8mb cache IDE ? Any input is appreciated. I'm looking at a 68 pin lsi single channel controller for $89 and 36.4 15,000 rpm HD for around $180 - $200. thanx
My take on it has always been as follows: you don't use a screwdriver to pound nails.
FACT 1:
SCSI is generally faster than IDE in all aspects (IE: seek times, sequential transfer rates, server and application performance, etc.). The gap has narrowed somewhat, but generally speaking the high end SCSI drives are always going to be faster than high end IDE. Also, SCSI is typically takes less CPU time than IDE, resulting in a slight (probably negligable with today's processors) increase in performance. Anyone who doubts this, feel free to head over to
SR.com and compare the latest high end drives. It's fact.
FACT 2:
Most SCSI drives aren't that "consumer" friendly. My Maxtor Atlas 10k-III is LOUD. Idle isn't that bad, but seeks are LOUD. Annoying loud. They typically run hot (not always) and loud (not always) and aren't really all that great for extended use in a home environment. On the other hand, my Seagate 'Cuda IV runs cool and almost inaudible - something I don't take for granted, and most people should think about. Environmental noise is a real problem, in my mind.
FACT 3:
SCSI drives don't compete in terms of storage space. IDE drives have a much greater storage due to denser platters.
FACT 4:
IDE drives (not SATA) have limitations concerning the number of devices on a bus. They're also generally not as RAID-friendly (again, not always true, but I have yet to see a SCSI drive that doesn't RAID well while the opposite occurs quite often) and don't come with as long of warrentys.
FACT 5:
If you need server performance, or any performance where you're accessing non-sequential data in high volumes, forget IDE. You need seek time, and there isn't an IDE drive that can hold a candle to SCSI in terms of seek performance. Any server tasks should remain SCSI - IDE drives just don't cut it.
FACT 6:
SCSI is more expensive. No doubt about it.
Honestly, I don't think SCSI is worth it for the typical home user, and even the typical power user. It's expensive, hard to get large amounts of storage, the drives are typically hot and loud (don't expect silence with that IBM drive), and the performance advantage for most desktop applications is negligable. Really, the only place it shines is on extremely disk intensive applications, server situations where you're accessing a lot of data that's not sequentially stored on the platters, and people who need the absolute utmost in disk performance.
I think you'd be better off getting a Seagate or a WD for your home computer and dropping the money you'll save into CPU or video card. SCSI isn't really of any help for most people, IMO - but it certainly has its applications.
In conclusion - you don't use a screwdriver to pound nails. Use the right tool for the right job.