Editing Parallel ATA (section)

=== Speed of defined transfer modes ===
{| class="wikitable sortable" style="text-align:center"
|+ Transfer modes
! Mode || # ||Maximum transfer<br /> rate(MB/s) || Cycle time
|-
| rowspan=5 | [[Programmed input/output|PIO]]
| 0 || 3.3 || 600 ns
|-
| 1 || 5.2 || 383 ns
|-
| 2 || 8.3 || 240 ns
|-
| 3 || 11.1 || 180 ns
|-
| 4 || 16.7 || 120 ns
|- style="background:#f5fffa"
| rowspan=3 | [[WDMA (computer)|Single-word DMA]]
| 0 || 2.1 || 960 ns
|- style="background:#f5fffa"
| 1 || 4.2 || 480 ns
|- style="background:#f5fffa"
| 2 || 8.3 || 240 ns
|-
| rowspan=5 | [[WDMA (computer)|Multi-word DMA]]
| 0 || 4.2 || 480 ns
|-
| 1 || 13.3 || 150 ns
|-
| 2 || 16.7 || 120 ns
|-
| 3<ref name=CompactFlash>[[CompactFlash]] 2.1</ref> || 20 || 100 ns
|-
| 4<ref name=CompactFlash /> || 25 || 80 ns
|- style="background:#f5fffa"
| rowspan=8 | [[UDMA|Ultra DMA]]
| 0 || 16.7 || 240 ns ÷ 2
|- style="background:#f5fffa"
| 1 || 25.0 || 160 ns ÷ 2
|- style="background:#f5fffa"
| 2 (Ultra ATA/33) || 33.3 || 120 ns ÷ 2
|- style="background:#f5fffa"
| 3 || 44.4 || 90 ns ÷ 2
|- style="background:#f5fffa"
| 4 (Ultra ATA/66)|| 66.7 || 60 ns ÷ 2
|- style="background:#f5fffa"
| 5 (Ultra ATA/100)|| 100 || 40 ns ÷ 2
|- style="background:#f5fffa"
| 6 (Ultra ATA/133)|| 133 || 30 ns ÷ 2
|- style="background:#f5fffa"
| 7 (Ultra ATA/167)<ref>{{cite web |url = http://compactflash.org/2010/cf-6-0-introduces-industry-leading-performance-and-feature-enhancements/ |title = CompactFlash 6.0 |archive-url=https://web.archive.org/web/20101121233926/http://compactflash.org/2010/cf-6-0-introduces-industry-leading-performance-and-feature-enhancements/ |archive-date=21 November 2010 |url-status=dead}}</ref>|| 167 || 24 ns ÷ 2
|}