EDSFF form factor

Some members of the ThinkSystem server family now support EDSFF (Enterprise & Datacenter SSD Form Factor) drives with the E1.S (short) form factor. The ThinkSystem SR630 V2, for example, supports 16 hot-swap EDSFF drives installed in the space of eight 2.5-inch drives.

EDSFF E1.S drives are a new type of NVMe solid-state drive and have the following characteristics:

NVMe SSD with PCIe 4.0 x4 host interface
Hot-swap drive tray
Installs vertically or horizontally depending on the server design
E1.S form factor defined by SNIA specification SFF-TA-1006
112 mm (4.4 inches) long x 32 mm (1.2 inches) tall