Toshiba's estimates feel reasonable. While the price difference is slowly narrowing compared to the widening performance and form factor gap, it'll certainly continue to be a slow death. The current price ratio would need to be inverted before it makes sense to drop hdds entirely. And even then tapes will still be around forever.

With investments in storage tech being so diverted away from HDD technologies I wonder how much further capacity will get. We're already at the point where disks have many platters and HAMR is finally going to be delivered after decades of "coming soon". It feels like, much akin to processor fab, we're approaching a wall.