Thus an EDSFF E1. S SSD becomes an U. 2 SSD, which can be used in IoT, data center and server area.. This card expands the PC by one EDSFF E1. S interface. It can be connected e. g. to the DC P4511 Series EDSFF NVMe SSD.. The converter can be installed into your system internally through the U. 2 interface.. Compliant with PCI Express 4.0.. This converter enables the connection of a GEN-Z SSD in E1. S.