Ask the Expert

A handy list of data transfer rates

What are the data transfer rate (speed) of IDE, EIDE, SCSI and SCSI 2.

Requires Free Membership to View

This information came from the Bitzenbytes site and I believe it is accurate.

IDE/EIDE PIO Mode 0  3.30 MB/sec.
IDE/EIDE PIO Mode 1  5.20 MB/sec.
IDE/EIDE PIO Mode 2  8.30 MB/sec.
IDE/EIDE PIO Mode 3  11.10 MB/sec.
IDE/EIDE PIO Mode 4  16.70 MB/sec.
UDMA/33  33.00 MB/sec.
UDMA/66  66.00 MB/sec.
ATA 100  100.00 MB/sec.
ATA 133  133.00 MB/sec.
Serial ATA  150.00 MB/sec.
Serial ATA II  300.00 MB/sec.
Serial ATA III  600.00 MB/sec.
IEEE 1394 (Firewire)  51.20 MB/sec.
SCSI 1  5.00 MB/sec.
SCSI 2  10.00 MB/sec.
SCSI 2 Wide  20.00 MB/sec.
Ultra SCSI  20.00 MB/sec.
Ultra Wide SCSI  40.00 MB/sec.
Ultra 2 SCSI  80.00 MB/sec.
Ultra 160 SCSI  160.00 MB/sec.
Ultra 320 SCSI  320.00 MB/sec.
Serial Storage Architecture (SSA)  20.00 - 40.00 MB/sec.
Fiber Channel (FC-AL)  100.00 - 200.00 MB/sec.


Editor's note: Do you agree with this expert's response? If you have more to share, post it in one of our .bphAaR2qhqA^0@/searchstorage>discussion forums.

This was first published in June 2003

There are Comments. Add yours.

TIP: Want to include a code block in your comment? Use <pre> or <code> tags around the desired text. Ex: <code>insert code</code>

REGISTER or login:

Forgot Password?
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy
Sort by: OldestNewest

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to: