It kinds of depends on your storage needs (how many terabytes) and the spot pricing on these HDDs. For instance when SPCR reviewed these drives, the 3TB version was only $10 more than the 3TB Green, making them a no-brainer choice over the Green. However, since then the price has gone up significantly, so the decision is now more difficult. If the price gap closes again, then back to being a no-brainer choice for the Red. SPCR also stated that the 1TB version was not that great a value for the capacity and performance, based on spot pricing at that time.