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Is SCSI really worth it?

J

joburnet

Senior member
I'm building a new athlon system and getting the MSI motherboard, but i'm not sure if I should get the one with SCSI or not. If I do it would be so I could put a 10k rpm SCSI drive and load the OS onto it. It looks like I can get the same performance with IDE raid and a couple cheap 7200rpm drives. So what do you guys think? Thanks.
 
Cheetah X15 is the fast-the good. Yes, and it fits "doesn't need to be very fast" like a glove. Then again..the money is always a factor.
 
15k rpm hard drives are a bit too expensive, i was thinking maybe $150 and definatly not more then $200 for the drive. But a 9GB drive is plenty for me.
 


<< Quantum 10K &amp; 10K II have been good to me. Luv the performance! >>



thats a good drive. i opted for slower performance to get 36gb. its a 36zx, a little slower, but more space for storage. i dont know, i like space.. =)
 
If I need space i'll just get an IDE 80GB drive, it dosen't need to be fast if i'm just storing mp3's and movies.
 


<< I'm looking at the fujitsu website here
http://www.fcpa.com/product/prd_product_frame.html

and it says that the transfer rate is 51.8 - 84.0MB/sec, now what does this actually mean, can the hard drive get sustained transfer rates this fast? If so then i'm amazed because most IDE drives are about half that. >>



sustained is like 40 i think. those are burst correct? ide sustained is 20? not sure. =(
 
No, i remember that the IBM 75GXP can reach sustained speeds of 37MB/sec so for a 10k rmp SCSI drive I can imagine that it would reach speeds of around 80MB/sec although that is pretty damn fast.
 
I don't think it's even possible to get a high perf scsi that only 9gb. Even if you could get a drive of that size at 15000rpm, it's low areal density would make it a performance dog. I think the minimum size you could get for a drive with modern platters would be 20~30gb becuase that's the size of a single platter nowadays.
 


<< I don't think it's even possible to get a high perf scsi that only 9gb. Even if you could get a drive of that size at 15000rpm, it's low areal density would make it a performance dog. I think the minimum size you could get for a drive with modern platters would be 20~30gb becuase that's the size of a single platter nowadays. >>



? x15 comes in 9gb and 18 gb flavors. infact, all scsi drives do. 9,18,36,72..
 
The first generation X15 came in one size only, the 18GB. The second generation drive, which will be available this summer, will be available in 18 and 36GB versions.
 
The 9GB X15 is not really available to people for home PC's. The st39251lc is an enterprise drive that would be very difficult to get ahold of unless you are a corporation buying a BIG OL' server.
 
In general, modern 7200rpm ATA/100 drives are a better choice for those looking for the most practical value, while SCSI drives offer top performance at a high premium.

This mamoth thread should answer all your questions. Grab a drink, though, it'll take you a while 😉

Modus
 
Oh, BTW, if anybody can find a place that sells 9GB X15's, I would be MORE than happy to eat my own words.
 
I'd keep my eyes open for a couple of 18Gig IBM zlx's. These are the 10K 4Mg U2W lvd models and they have been dropping in price since the 160's came out. I have two of the 9Gig models that are now going on 4+ years old and I don't plan on upgrading them till they die. The lower cpu utilization, multi-tasking capabilities and overall lower seek times add up to a snappier computer...sure, they cost more...but I'm worth it 🙂 I started out with scsi, lost a segate drive, went to ide and was disapointed and switched almost 5 years ago and have never looked back. If I had been an ide fan, I'm sure I would have spent more then double what I have invested in my system just to get faster IDE drives...that $120 20Gig drive adds up after you have gone through 3 or 4...I spent $415 per drive and I don't regret a penny of it. Right now I'm burning a cd on my scsi plextor, reading the forum, working on my resume and listening to music...I guess I've been pampered and I'll never own anything else. One things tho...I'll never use an on-board system...I prefer the pci route as the bios is upgradable. Most OEM's will not post newer bios revisions as they want you to buy a new Motherboard...just an opinion.
 
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