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Any difference between ata66, 100, and 133 hard drives?

JEDI

JEDI

Lifer
since the real-world xfer rate of a harddrive is around 35mb/sec, does it matter if the hd is ata66,100, or 133 compliant?

ata133 is 133mb/sec xfer, right? then why do they say ata133 if it can only xfer 35mb/sec?
 
You are correct. There isn't any difference between them in real world performance. ATA/66 is sufficent for all hard drives avialable today (that includes 15k RPM SCSI's).
 
well there is a small reason to go for ata-100 over ata-66 because of the burst rate. My hard drive has a 80mbs burst rate. So thats really only reason to go for ata-100.

Ata-133 i dont think was really released for the SPEED factor. But so hard drives can be bigger than 128GB.

Ssee the ata-100 and lower hard drive controllers can only see 128GB (Believe thats right) and so if u bought a new 160GB ATA-133 hard drive your computer (if it only has a ata-100 controller) will only see 128GB

 
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