should have bought gigabutt ud pro for 195.
3d nand + dram.
although the a400 is almost as fast.

i've checked benchmarks, it's just a little faster.
but i know the a400 uses compression for faster transfer. compressed files will be slower.
i would go for gigabutt. it's 256GB, so the 16GB extra makes up for the rm20.

if lesapda, just return it.