3M/10FT Extended Length, Flexible External Storage Wiring; 12Gbps SAS 3.0 High Speed, 100-Ohm Impedance Standard; Dual SFF-8644 Mini SAS HD External Connectors; Multi-Layer Shielding Cuts EMI for Stable SAN/JBOD Transmission; Rugged Anti-Aging Outer Jacket for Long-Term Enterprise Use