E1.S
A compact NVMe SSD form factor for dense storage and compute nodes; the choice between it and the larger E3.S fixes per-drive bandwidth, drive count, and shelf cooling.
Also written as: E3.S
Current numbers
~28 / 14 GB/sPCIe 6.0 x4 enterprise SSD sequential read/write (Micron 9650, first Gen6 in mass production), ~5.5M IOPS; E1.S & E3.S