U.S. Patent Registration Number :  US 11,341,078 B2
  3.5-inch HDD form factor with eight M.2 SSDs stacked 
in two horizontally sliding layers.
  Capacity  :  Currently  64TB  capacity  when  configured 
with an 8TB m.2 SSD. 
  Host Interface : 
 SATA3 or NVMe (PCIe) x4, depending on product
 Optional  support  for  cable  that  support  SATA3  and 
NVMe x4 together.
  Unit storage device : 
 M.2 SATA or M.2 NVMe x4, depending on product
 M.2 SSD 2280, M.2 SSD 22110
 RAID support for M.2 SATA SSD : RAID0, 1, 5, 10, JBOD 
  Design for vibration and heat dissipation
  Configurable user capacity with open cover structure