MCIO x4 to SFF-8639 U. 2 conversion cable compliant with PCIe 5.0 standard, backward compatible with PCIe 4.0 / 3.0; Built-in independent 15-Pin SATA power branch supplies full power to U. 2 SSD without extra power wiring; Full x4 high bandwidth, excellent signal integrity for low-latency mass NVMe storage workloads; Gold-plated pins + multi-layer EMI shielding eliminate signal attenuation and high-speed crosstalk; Compact 50cm slim flexible cable, simplifies neat routing inside dense server & workstation chassis