3 meter / 10 feet extended length for long-distance rack storage wiring; SAS 3.0 12Gbps high speed, strictly 100-Ohm controlled impedance design; Dual SFF-8644 Mini SAS HD external connectors with locking latches; Multi-layer shielding suppresses EMI & crosstalk for stable SAN/JBOD transmission; Heavy-duty abrasion-resistant outer jacket for 24/7 data center continuous use