StorageReview posted a review on the Dell PowerEdge Direct Drives vs PERC 12
A quote from the article:
In publishing our review of the Dell PowerEdge R760 server, we purposefully held off on storage numbers, noting that the R760 has many storage configuration options that would have made the initial review too long. In this review, we're digging into the storage options Dell PowerEdge supports for Gen4 NVMe SSDs and the performance profile of what Dell calls Direct Drives vs. PERC 12 hardware RAID card.Dell PowerEdge Direct Drives vs PERC 12 Review