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Old 04-27-2007, 06:37 PM   #1 (permalink)
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Default SCSI vs SATA?

I was under the impression that SCSI hard drives were the fastest, but recent stats I've read make this seem untrue.

IS an SATA hard drive faster than an SCSI one?
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Old 04-27-2007, 06:38 PM   #2 (permalink)
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Default Re: SCSI vs SATA?

well the raptors come close but I don't think they beat them.....
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Old 04-27-2007, 06:46 PM   #3 (permalink)
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Default Re: SCSI vs SATA?

i dont know you tell me
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SCSI's are outdated some may be faster than others but to me SATA's are faster and newer technology
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Old 04-27-2007, 06:57 PM   #4 (permalink)
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Default Re: SCSI vs SATA?

Been researching for a few hours, seems that the best SATA reaches up to 300mb/s while the best SCSI reaches 320 mb/s. A very small difference. However, I believe only newer MBs will support 300 for satas while the scsi controllers are used in pci slots, so it wouldn't matter what mb you have.

I'll have to figure out which SATA my mb supports to make the final decision.

If anyone is looking for an SCSI hd here is the one I'm considering buying:

UnityElectronics.com Internet Discount Computer Store - Best buys on electronics, drives, monitors, pdas, wireless and more.

or the smaller one for cheaper:

UnityElectronics.com Internet Discount Computer Store - Best buys on electronics, drives, monitors, pdas, wireless and more.
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Old 04-27-2007, 06:59 PM   #5 (permalink)
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Default Re: SCSI vs SATA?

raptor:
Western Digital Raptor X 150GB WD1500AHFD 10,000RPM SATA 16MB Cache - OEM
seek time: 4.5ms

Scsi:
Fujitsu 147GB MAX3147NC 15,000RPM SCSI 8MB Cache (U320-SC2 80 Pin) - OEM
seek time:3.3ms

Flash disk
Samsung MCAQE32G5APP-0XA00 32GB 2.5" IDE Solid State Hard Drive
seek time:0

To previous poster the actual speed of the cable doesn't matter no mechanical hdd can move quick enough to use the entire bandwith of Sata or even ide for that matter
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Old 04-27-2007, 07:22 PM   #6 (permalink)
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Default Re: SCSI vs SATA?

If that's true then why do people use SATA or SCSI?
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Old 04-27-2007, 07:34 PM   #7 (permalink)
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Default Re: SCSI vs SATA?

because they want to have the ability to go faster if later hdd's come out.
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Old 04-28-2007, 11:27 AM   #8 (permalink)
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Default Re: SCSI vs SATA?

SCSI hard drives are more for Enterprise applications where they will be in almost constant use. IMO, they are WAY to expensive to even CONSIDER in a SOHO environment, SATA is the way to go.

SCSI disks also have the highest RPM's, up to 15,000. SATA's highest is the 10,000 WD Raptor, and I believe IDE is only 7,200.
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Old 04-28-2007, 12:32 PM   #9 (permalink)
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Default Re: SCSI vs SATA?

Many people like SATA due to the small drive cables. Its much easier to neatly wire a case, and airflow is not restricted as much.
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