1m extended length meets long-distance internal wiring demands of large tower servers and multi-bay storage chassis; Convert SFF-8643 Mini SAS HD host port to U. 2 SFF-8639 interface for direct connection of 2.5 NVMe U. 2 SSD; Support PCIe 3.0 / 4.0 & 12Gbps SAS 3.0 transmission, delivers full bandwidth without signal loss; Full EMI multi-layer shielding + high-purity copper core suppress crosstalk and electromagnetic interference; Lock-in gold-plated connectors anti-vibration; widely compatible with mainstream motherboards, RAID cards and U. 2 SSD drives