This cable by Delock enables the extension of a U.2 connection.

Specification
– Connectors: 1 x U.2 SFF-8639 male > 1 x U.2 SFF-8639 female
– Data transfer rate up to 32 Gbps
– Wire cross-section:
– 30 AWG data line
– 24 AWG power line
– Supports NVM Express (NVMe)
– Colour: black
– Length without connectors: approx. 0.5 m
System requirements
– One free U.2 SFF-8639 interface
Package contents
– U.2 SFF-8639 cable
Packaging
– Resealable bag