Optane SSDs do need wear leveling. What makes it much simpler is that there isn't the mismatch between small-ish NAND pages and massive NAND erase blocks, so yo

Optane SSDs do need wear leveling. What makes it much simpler is that there isn't the mismatch between small-ish NAND pages and massive NAND erase blocks, so you don't have to suffer from the really horribly large read-modify-write cycles.