PCI-E 4.0 X1 Lane to U. 2 U. 3 Kit SFF-8639 Host Adapter for Motherboard PM1735 NVMe PCIe SSD
This PCI Express card expands the PC by one U. 2/U. 3 SFF-8639 interface. It can be connected e. g. the U. 2/U. 3 U3 PM1735 Series SSD.
The pci-e 1x card work for U. 2 and U. 3 SSD, not work for SATA/SAS SSD.
The speed and other properties is not changed, only form conversion interface. Transparent to the operating system and does not require any software drivers.