Solid-state drives (SSDs) are commonly used in client, hyperscale and enterprise compute environments. They typically come in three flavors: NVMe™, SAS, and SATA. Since SSDs are made from flash memory, they can be built in many different form factors. This resource guide is designed to provide information on the most common and current SSDs in their various form factors. In addition to the form factor dimensions, information such as use case, interface, protocol, and mechanical/electrical and connector specifications are provided.
Learn more about the many different SSD sizes and formats in a variety of form factors:
EDSFF
M.2
2.5-inch (U.2)
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For the latest on EDSFF form factors
E1.L & E1.S
E2.L & E2.S
E3.L & E3.S
EDSFF stands for Enterprise and Datacenter Standard Form Factor. The family of specifications were developed by a group of 15 companies working together to address the concerns of data center storage, and are now maintained by SNIA as part of the SFF Technology Affiliate Technical Work Group (SFF TA TWG).
EDSFF offers a dynamic range of form factors that have advantages vs the incumbent SSD form factors in capacity, scalability, performance, serviceability, manageability, thermal and power management. Today all the EDSFF family of form factors share the same protocol (NVMe), the same interface (PCIe® ), the same edge connector (SFF-TA-1002), the same pinout and functions (SFF-TA-1009). Infrastructure, especially test infrastructure, can be developed to support multiple EDSFF form factors.
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