Microchip announced production release of the first products to deliver these capabilities. The Smart Storage PCIe Gen 4 Tri- Mode SmartROC (RAID-on-Chip) 3200 and SmartIOC (I/O Controller) 2200 storage controllers also provide proven security and manageability features for the most demanding server storage applications. Support for up to 8 GB of on-board cache triples the RAID performance compared to competitive alternatives, while DCM delivers link efficiency of greater than 99% while ensuring full interoperability with legacy SAS/SATA infrastructure.
Source: https://www.helpnetsecurity.com/2021/01/13/microchip-smart-storage-pcie-gen-4-tri-mode/