PCIe 5.0 High-Speed Transmission \u2013 Supports up to 32Gbps per channel for stable, ultra-fast data transfer in enterprise-level systems. MCIO 8i 74P to Dual SFF-8639 Interface \u2013 Connects PCIe 5.0 controllers to two U. 2 drives with integrated 15-pin power delivery. Superior Signal Integrity \u2013 85-ohm impedance design ensures reliable data flow and minimal signal loss even in long-term operation. Durable & Secure Design \u2013 Includes mounting screw holes for stable installation in servers, workstations, and storage racks. Flexible Length Options \u2013 Available in 0.5 m ( 19.7 in) and 0.8 m ( 31.5 in) to accommodate different server chassis configurations.