This drive has to be based of MLC NAND flash and not SLC NAND flash chips, which is why there's such a slow read/write rate, even most SSD's use MLC flash. However, the controllers and chips that are in SSDs aren't in this flash drive more than likely. One of the reasons SSDs are so fast is the near RAID performance that is designed into the controller chips. However, a flash drive packing this much storage has no room for such bells and whistles. Even the best flash drive tops out at less than the USB 2.0 standard even when using eSATA if I'm not mistaken. Pocket portability and durability sans USB connector itself, on these drives, is not something that flash HHs offer.