What SCSI harddrive to you recomend?

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Clinth

Senior member
Dec 11, 1999
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I'm looking to add another SCSI hard drive to my system. I currently have a Seagate 18.2g barracuda. I'm using an Adaptec 2940UW controller. I'm currently looking at the Quantum Atlas 10K II I would like 18g and would like to spend no more then $370 for the drive. I?m also not looking to replace the SCSI controller. Speed it the number one reason for the new one.

Clinth
 
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fkloster

Diamond Member
Dec 16, 1999
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Hang on and wait for the X-15s to come down. $439 right now @ Hypermicro w/free shipping if you mention OC'ers.com...

Controller wise, go with the Adaptec 29160N.
 
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Quickfingerz

Diamond Member
Jan 18, 2000
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there was a rebate for the Quantum too recently. i'm not sure if the rebate is still working and onvia has a $50 off $500. you can combine them for a good deal.
 
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Radboy

Golden Member
Oct 11, 1999
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Rebate here .. is no mas. But u might be able to shoot them an email and give you an extension.

I have IBM drives - Ultrastars, but this is merely personal pref.

The X15 is the fastest drive on the planet. Friend sent me HD Tach bench here. Lotsa ppl seem to be getting the X15 lately.
 
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Clinth

Senior member
Dec 11, 1999
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Right now I can get the Quantum Atlas 10K II 18g for $315 plus 50 rebate if I can get them to extend it. The x-15 is $425. Hs any one seen the HDtach for the Atlas 10k II or the IBM ultrastars? As far as controllers go I'm going to stick with my 2940 intill it becomes a bottleneck.

Thanks for the fedback,
Clinth
 
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Radboy

Golden Member
Oct 11, 1999
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No, but a friend sent me a HD Tach bench of his new X15 here.

He also sent an email that said this:

This thing [Cheetah X15] is blazingly fast. You were 100% correct .. that the upgrade to SCSI is much more noticeable than a faster CPU. I try telling people that when they're thinking about a new HDD. But most don't want to spend the cash. I felt that way too for a long time, but now I'm sorry I didn't do this before.
 
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Quickfingerz

Diamond Member
Jan 18, 2000
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The Cheetah x15 benefits from a nice seek time. very expensive though. 15,000 RPM helps reduce rotational latency.

If the Quantum LM IDE drive had a 15k RPM spindle it would have a seek time near 5.9.
 
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Spook

Platinum Member
Nov 29, 1999
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X15 is a nice, but its only an 18G drive... By today's standards thats pretty small... To bad they don't make a 36G or larger drive...
 
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Radboy

Golden Member
Oct 11, 1999
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You only wanna put your OS, apps, & swap/page file on the SCSI. 18GB is enuf room for multi-booting W2K, WinME, all your apps, a couple distros of Linux, BeOS, and prolly even Whistler Pro beta1. Use IDE drives for basic storage needs (MP3s, back-ups, downloads, scans, jpegs, Ghost images, etc.). Using an X15 for storing MP3s should be a criminal offense.

Here is a discussion of seek time perfromance factors at Storagereview. RPM does not affect seek. It affects latency, which affects access time. Small point, but worth noting.

Seek times of IDE hard drives are still about the same they were 2 years ago. It's hard to improve seek times.
 
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Clinth

Senior member
Dec 11, 1999
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I'm looking to use this for operating Systems and Apps. I will use my other 18g SCSI for storage. I'm starting to lean toward the X15.

It's my understanding that as far as controllers go it a matter of bandwidth. I wouldn't get any thing by upgrade the controller unless I started to use all 40 mb of bandwidth. If I'm wrong please explain it. The last time I looked at SCSI close was when the 2940UW was the baddest boy on the block. Know the got 160mb and low voltage differential's, SCA ect...

Clinth
 
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Radboy

Golden Member
Oct 11, 1999
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As u can see, the X15 mex'es out ~40MB/s .. not even close to the 80 your card offers. No need to upgrade.
 
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kombatmud

Senior member
Dec 3, 1999
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radboy: the 2940UW maxes out at 40MB/sec, not 80, that's the 2940U2W. Either the Atlas 10k II or the X15 would be very good choices, the 10k II being far cheaper, and probably a better value right now. Or you can find some slightly older ones (Ultrastar 18LZX, Atlas 10k, etc.) on the FS/FT forum for pretty good prices (~ $250) Adding any of these drives will create a bottleneck if you ever access both drives at once, and might bottleneck the 10k II or X15 on burst speeds without even accessing the second drive. If I were you, I'd probably get one of the cheaper ones that offer very similar performance, and spend the saved money on an Adaptec 29160 card. If you have any external SCSI devices that are not LVD, you might want the 29160N instead. (29160 has an external HD68 LVD connecter, and uses a 64-bit, 66MHz PCI slot, which is also compatible w/ 32-bit, 33MHz PCI, and the 29160N uses an external HD50 SE connector.)
 
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Radboy

Golden Member
Oct 11, 1999
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You're right. My bad. Thot it was the U2W.

Check this .. everything u need for $89 (free shipping). I have this card - love it.
 
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jimmygates

Platinum Member
Sep 4, 2000
2,134
2
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I got the IBM 36LZX and it rocks. I was planning on getting the X15's but I decided on getting the IBM (Cheaper and I really didn't need 15k rpm...yet :p) I have tried the Quantum Atlas and I think the IBM is faster then the Atlas.



-Jimbo
 
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