Product : Dell EMC, VxRail [HCI]/4.7.212, x86
Feature : Flash Layer, Flash, Storage Support
Content Owner:  Herman Rutten
Summary
SSD; NVMe
Details
VxRail Appliances support a variety of SSDs.

Cache SSDs (SAS): 400GB, 800GB, 1.6TB
Cache SSDs (NVMe): 800GB, 1.6TB
Capacity SSDs (SAS/SATA): 1.92TB, 3.84TB

VxRail does not support mixing SAS/SATA SSDs in the same disk group.