These are internal SATA cables intended for connecting motherboard to various internal peripherals.
Latching internal SATA cable 50cm, New, UK
SATA 3 Gb/s Cable Internal SATA 7-Pin Female - SATA 7-Pin Male 0.50 m Red
ASHATA 10pcs SATA Extension Cable, 50cm 7-pin internal SATA Male to SATA Female Extension cable, SSD Data Extension Cable for External Hard Disk Data Transmission(50cm)
kenable SATA Power Extension Cable for Internal SATA Hard Drives 25cm
SATA Power Extension Cable for Internal Sata Hard Drives 25cm
Internal SATA/SATA2/SATA II 7pin Cable upto 3Gb/s - 1m
