This product is either discontinued or we cannot get that from suppliers.
Intel AXXE3RACK8DCBL, Hardware Connectivity Kit, Package Contents 1 x Cable, 7-pin SATA to SFF-8643, 270 mm, 1 x Cable, 7-pin SATA to SFF-8643, 530 mm.
2 cables to support connection from onboard SATA connectors to 12Gb/s backplane.