This is an internal SlimSAS ×8 (SFF-8654) to 2Oculinks ×4 (SFF-8612) tri-mode cable to connect a SAS/SATA/NVMe adapter to an NVMe backplane.
0.8 m
8x SFF-8654
4x SFF-8612
Straight
Straight
Male/Male
Black
SmartRAID 3200 RAID, SmartHBA 2200, HBA 1200 HBAs