External hard drive enclosures are a dime-a-dozen in this day and age, with more and more of them hitting the market. Many of them are single drive units that are good for a quick way to store or access your data externally, but this type of enclosure is not fitted for all of us. With the size of today’s hard drives (3TB at time of writing), losing even one could be a devastating ordeal. This is when our next product for evaluation comes in. The SilverStone DS321 enclosure can house two 3.5” SATA drives, provides you with the option to run them in RAID, topping it all off by connecting through the ultra-fast USB3 bus. This look like something you've been waiting for? Read along as we dig into it.