I don't think that's inefficient as such, that's just the price you pay for data durability. Sure you can buy a high capacity HDD on Amazon for very little, but

I don't think that's inefficient as such, that's just the price you pay for data durability. Sure you can buy a high capacity HDD on Amazon for very little, but most people would be pretty sad if/when the hard drive dies and takes the family photo collection with it.