Dual SFF-8088 26Pin connectors, external Mini SAS HD bidirectional connection for storage devices; SAS 2.0 compliant, supports up to 6Gbps high-speed transmission, backward compatible with 3Gbps SAS 1.0; Strict 100-Ohm controlled differential impedance, stable signal with low transmission loss; Multi-layer shielding design blocks EMI/RFI interference, reliable for 24/7 data center running; 3-meter (10ft) flexible outer cable, ideal for connecting servers to external DAS drive enclosures