If the SSD part fails you pretty much lost all benefit of the HDD itself. It might or might not function with the bad flash chips but you definitely lost all th

If the SSD part fails you pretty much lost all benefit of the HDD itself. It might or might not function with the bad flash chips but you definitely lost all the performance boost. The caching options sound much better overall but they do take more space (2 slots vs. 1 for the hybrid).