1-to-2 split design: Single MCIO x8 port splits into two independent SFF-8639 U. 2 NVMe interfaces; PCIe 4.0 x4 per channel bandwidth, lossless high-speed transmission for dual SSD high-load workloads; Equipped separate 15-Pin SATA power branch to supply stable power for two U. 2 SSDs simultaneously; Gold-plated high-density pins + multi-layer EMI shielding suppress signal attenuation & crosstalk; Compact 50cm slim flexible cable, optimized for tidy internal routing in compact rack server chassis