SSD

Solid-state drives (SSDs) come with a variety of connectors, connection protocols, underlying technologies and form factors. The primary types of SSDs are the 2.5”, M.2 (SATA & NVMe), NVMe PCIe and the U.2 (formerly SFF-8639) SSD, each offering distinct advantages and disadvantages.

Type	Connector	Protocol	Technology	Form Factor	ETC.
M.2 SATA SSD	M.2	SATA	SATA	M.2	- 22 or 30mm wide - 2280, 1630, 3030
M.2 NVMe SSD	M.2	PCIe	NVMe	M.2
2.5" SATA SSD	SATA	SATA	SATA	2.5"
2.5" U.2 SSD	U.2 (SFF-8639)	PCIe/SAS/SATA	NVMe	2.5"
PCIe Add-in-Card(AIC) SSD	PCIe	PCIe	NVMe	PCIe AIC (Add in Card)