KitGuru posted a review on the SK hynix SC311 512GB SSD
A quote from the article:
SK hynix are one of the very few SSD manufacturers in the enviable position of being able to produce all the major components of a drive - controller, NAND and cache - in-house, allowing them to control every aspect of the drives hardware while keeping a firm hand on production costs. The latest consumer drive range to emerge from SK hynix is the SC311 using the company's V3 48-layer 3D TLC NAND technology.SK hynix SC311 512GB SSD Review