This product is either discontinued or we cannot get that from suppliers.
Qnap CAB-SAS30M-8644, Data Transfer Cable, Mini-SAS, 6.56 ft, Connector on First End 1 x SFF-8644 Mini-SAS, Server, Data Transfer Rate 1.50 GB/s, 36 pin 4x Mini SAS HD (SFF-8644) - male, SAS external cable, SAS 12Gbit/s.
Stay connected with the 6.6' Mini SAS SFF-8644 External Cable from QNAP. This cable features two SFF-8644 connections.