SFF-8643 PCI-E 4.0 Female to U.2 SFF-8639 U.3 NVME PCIe PCI-Express SSD Adapter for Mainboard This convertor expands the SFF-8639 U.2 U.3 by one SFF-8643 interface. It can be connected e.g. one SSD by using an optional cable. The card transmits PCI Express 4.0/5.0 signals using the NVMe protocol. Connectors: 1 x SFF-8643 female and 1 x SFF-8639 U.2 U.3 female and 1 x SATA power. Data transfer rate up to 64Gbps, Supports NVM Express (NVMe) 1.2. The vertical connector allowing you to connect it to a female port, even if space around the port is limited. The speed and other properties is not changed,only form conversion interface.Transparent to the operating system and does not require any software drivers. U.3 drives are still backward compatible with U.2, though—the U.3 drives determine which host type it is inserted into (by using different combinations of HPT0 and HTP1 being open or ground), and configure the data lanes on power-up. U.3 drives can still act as dual-port NVMe drives in supporting systems.
