Which type of NAND flash does Cisco use in the SSDs in Cisco UCS Invicta?

Which type of NAND flash does Cisco use in the SSDs in Cisco UCS Invicta?

A.
Enterprise multilevel cell

B.
Multilayercell

C.
Single-layercell

D.
Triple-layercell

E.
Cisco uses SLC and TLCNAND flash in Cisco UCS Invicta