Dual SFF-8644 external female ports convert to dual internal SFF-8643 Mini SAS HD signals via integrated PCBA board; Comes with detachable low-profile half-height bracket, fits slim ITX, 1U rack and compact small form-factor chassis; Supports SAS 3.0 12Gbps high-speed transmission, backward compatible with 3G/6Gbps SAS 1.0 / 2.0 storage devices; Multi-layer PCB with built-in EMI shielding circuit, stable signal output for 24/7 continuous datacenter workloads; Gold-plated female contact terminals with locking design, anti-oxidation and anti-vibration loose connection