The SlimSAS 8i SFF-8654 connector is a small, high-density connector used for connecting SAS and SATA storage devices.
It is used in servers that have one or more PCIe x16 slots and support the SAS protocol (not SATA)
The connector at one end of this cable has a pinout compatible with an SFF-8656 connector. The opposite end of this cable has a pinout compatible with two SFF-8639 connectors, one for each drive.
The cable has a 28 AWG power pair and uses two tri-mode connectors that supports SAS3 connections, providing connectivity per channel with transfer rates of up to 12 Gbps for each channel.
Micro SATA Cables Part#SLM-1887-2XU2