Product Name: M.2 NVMe Key M to PCI-E x16 Angled Extension Adapter Cable.
Bandwidth Speed: PCIe 5.0 x4 Gen5; 128 Gbps (Max.).
The length of the wire refers to the part of the visible wire. It does not include the PCB and the connector.
K43SP-BK-5.0: M.2 NVMe to X16 Extension Cable, Female Connector 270-Degree Downward Angle Universal Model, Black Thin Cable, PCIe 5.0 x4 Bandwidth.
K43SH-BK-5.0: M.2 NVMe to X16 Extension Cable, Female Connector 90-Degree Upward Angle Universal Model, Black Thin Cable, PCIe 5.0 x4 Bandwidth