https://www.techpowerup.com/232679/qnap-announces-ts-x53b-series-nas This model was originally introduced at CES 2017 in the beginning of the year but now it has become available to purchase. Improvements in the areas of SSD caching and 10gbE allow much faster performance than previous models. So if you're a small business or do business at home this NAS will make a fine compliment for your backup and storage needs.