SATA-150 / SATA-300 Compatibility

Are the two forms for SATA completely compatible with each other?

For instance can I plug SATA300 drives into a SATA150 RAID controller or plug SATA150 drives in to a 300 controller?

I understand that the drives would not increase in speed, but since there about the same price I figured I could buy the SATA300 drives for now and upgrade the controller later.

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More about sata sata compatibility
  1. yes they are. Most drives have jumper for fall back compatibility with sata150. You'll want to set it before installing it
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