NAS - external storage for 6× 3,5" SSD + HDD, processor: Intel Xeon D-1602 2,5 GHz, 8192 MB DDR4 (max 128 GB ), 3 × USB 3.2 Gen 1 (USB 3.0), 4 × LAN, desktop Do you want to store data in a more organized way? If so, you ought to consider this QNAP TS-h686-D1602-8G data storage. Its core is an HDD and SSD with a format of 3,5". The term SSD stands for Solid State Drive, or a disc without moving parts In contrast to a classic HDD, this external SSD is way faster and more hardy. It is especially popular with people who move around a lot because it is resistant to damage from vibrations and impact. A big advantage of a classic HDD is that it has a better ratio of cost to capacity. However, the customer should remember that this type of disc is prone to damage from vibration and impact. It's great for home or office use, where one doesn't need move it around. The 3.5" format is primarily made for those who need more storage, but don't plan on travelling with it....