"Dynamic Write acceleration" means its TLC nand emulating SLC nand. At some point your write saturates the buffer and you lose the speed advantage. The MX ser

"Dynamic Write acceleration" means its TLC nand emulating SLC nand. At some point your write saturates the buffer and you lose the speed advantage. The MX series have a dynamically expanding buffer (unlike samsung evos and other competition which have a static sized buffer,) but its not infinite.