is difference between ata 66 and ata 100 alot?

[Guest]

can someone try to put in perspective how much the difference is between the 2? cause i have a chance to buy a 20gb ibm that is probably 66ata from a friend for 50 bucks so i was wondering will it be slower than ata100 cause that is what my other drive is i have a new computer. thanks

 

[Guest]

Well it depends. If you are gonna set these 2 ide drives into a raid 0 mode then you would want the drive to be ata66. But to tell you the truth ata100 is way beyond what ide drives are capable of. Even the fastest scsis only transmit at like 35mb/s which leave ides in the dust which means that ata66 will easily be able to handle the load of an ide drive. If you have the second drive for mp3s or other miscellaneous stuff you'll be just fine.

 

[Guest]

The ATA-66 spec allows 66 MB of data to be transferred per second, and ATA-100 allows 100MB/sec. Since even the best ATA drives have yet to break sequential transfer rates greater than even 40 MB/sec, ATA-100 isn't needed unless you are using multiple drives in a RAID setup. If you aren't using a RAID setup and are only using one ATA hard drive, ATA-66 (and in most cases, even ATA-33) interfaces will slightly run the drive with optimal performance.

Also, RAID setup is best used with SCSI drives and not ATA drives. I wouldn't recommend an ATA RAID setup because it will lower your already low access times, ATA drives don't multitask well, and SCSI RAID controllers are much better.

 

[Arrow]

If you're an average user, you wouldn't even notice the difference between ATA66 and ATA100. Overall, the difference isn't big enough to worry over, unless you really want an ATA100 drive.

Rob
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[Ncogneto]

There are more important factors to consider rather than it being ata66 or ata 100. Check to see the size of the cache buffer ( either 512k or 2 meg) and the rotation speed 5400 or 7200. Ideally if the drive is 7200 rpm with a 2 meg cache it will perform just fine. If it is 5400 with a 512 cache buffer it will sitill perform ok but be significantly slower than the other.

A little bit of knowledge is a dangerous thing!

 

[Crashman]

ATA 66 is not noticably slower than 100, go by other performance numbers on the manufacturers website.

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