Good morning, the formatting is a bit tough, but it appears that the SX350 is supported in all three cases. You can go here VMware Compatibility Guide - vsan and then click on Build Your Own based on Certified Components to see individual components. Thank you, Zach.
Partner NameModelProduct DescriptionTierSupported Releases SanDiskFusion ioMemory SX350-1300Device Type:PCI-E
Capacity: 1250 GB
Endurance: 4000 TBW
Endurance Class: Endurance Class C >=3650 TBW
Performance Class: Class F: 100,000+ writes per second
Series: Fusion ioMemory™
Flash Technology: MLC SSDVirtual SAN All Flash Caching Tier
Virtual SAN Hybrid Caching Tier
Virtual SAN All Flash Capacity TierESXi 6.0 U2
ESXi 6.0 U1
ESXi 6.0SanDiskFusion ioMemory SX350-1600Device Type:PCI-E
Capacity: 1600 GB
Endurance: 5500 TBW
Endurance Class: Endurance Class C >=3650 TBW
Performance Class: Class F: 100,000+ writes per second
Series: Fusion ioMemory™
Flash Technology: MLC SSDVirtual SAN All Flash Caching Tier
Virtual SAN Hybrid Caching Tier
Virtual SAN All Flash Capacity TierESXi 6.0 U2
ESXi 6.0 U1
ESXi 6.0SanDiskFusion ioMemory SX350-3200Device Type:PCI-E
Capacity: 3200 GB
Endurance: 11000 TBW
Endurance Class: Endurance Class D >=7300 TBW
Performance Class: Class F: 100,000+ writes per second
Series: Fusion ioMemory™
Flash Technology: MLC SSDVirtual SAN All Flash Caching Tier
Virtual SAN Hybrid Caching Tier
Virtual SAN All Flash Capacity TierESXi 6.0 U2
ESXi 6.0 U1
ESXi 6.0SanDiskFusion ioMemory SX350-6400Device Type:PCI-E
Capacity: 6400 GB
Endurance: 22000 TBW
Endurance Class: Endurance Class D >=7300 TBW
Performance Class: Class F: 100,000+ writes per second
Series: Fusion ioMemory™
Flash Technology: MLC SSDVirtual SAN All Flash Caching Tier
Virtual SAN Hybrid Caching Tier
Virtual SAN All Flash Capacity TierESXi 6.0 U2
ESXi 6.0 U1
ESXi 6.0 - See more at: https://www.vmware.com/resources/compatibility/search.php?deviceCategory=vsan#sthash.hpF9Um4X.dpuf