Product : Dell EMC, PowerFlex [SDS]/3.5, Enterprise
Feature : Task Offloading, Performance, Data Services
Content Owner:  Herman Rutten
vSphere: VMware VAAI-Block (partial)
The VxFlex OS 2.6 supported VAAI features are: Atomic Test & Set (ATS), Zero Blocks/Write Same, Thin Provisioning in ESXi 5.x and later hosts, Block Delete in ESXi 5.x and later hosts

ScaleIO 1.32 and later were not listed anymore in the VMware Compatibility Matrix because of the proprietary nature of the storage protocol/SDC (non-iSCSI).

VAAI = VMware APIs for Array Integration