The best replacement for sata 6 is sata 3.

The best alternatives to sata 6 are rated as following:
★★★★★  sata 3
★★★  usb 3
★★  sata 3 cable
★★  3
★★  sata 3 ssd
★  sata iii
★  usb 3.0
  marvell

Your alternative for sata 6 is not listed? Suggest!
Speaking about sata 6, one probably shouldn't forget about sata 3.

Other search terms related to sata 6 and their ratings are:
★★★★★ sata 3
You have in mind a companion for sata 6 and it is not yet here? Propose!



Google Trends

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sata 6
sata 3
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