Article updated
at 27 Sep 2012
The following UDMA standards are known in the ATA specification and have the according datarates:
- UDMA 0 16.7MB/s
- UDMA 1 25MB/s
- UDMA 2 33MB/s
- UDMA 3 44.4MB/s
- UDMA 4 66.7MB/s (80pin cable needed)
- UDMA 5 100MB/s (80pin cable needed)
- UDMA 6 133MB/s (80pin cable needed)
- UDMA 7 166MB/s (80pin cable needed)