next generation small form factor (NGSFF)
Next Generation Small Form Factor (NGSFF) is a compact form factor for plug-in cards and solid state drives( SSD), similar to the M.2 form factor.
The NGSFF form factor is 30.5 mm x 110 mm x 4.38 mm, which fits within the height of one height unit(U).
The NGSFF form factor targets the one height unit rack server market. In terms of storage capacity for the NGSFF SSDs, a plug-in card has a storage capacity of 16 terabytes( TB). Since 16 NGSFF SSDs can be plugged into a 19" chassis of 1 U, this results in a storage capacity of 576 TB.