Cisco NCS-57B1-6D24H-S Chassis, 6x400G 24x100G QSFP-DD

Move more traffic through fewer slots with a chassis purpose-built for high-density service-provider routing. The Cisco NCS-57B1-6D24H-S combines 6 x 400G and 24 x 100G QSFP-DD capacity in a fixed-base design, giving network teams a compact platform for aggregation, edge, and transport roles where port density matters. This chassis is aimed at environments that need to scale bandwidth without expanding footprint. QSFP-DD support keeps the platform aligned with modern high-speed optics and cabling strategies, while the mixed 400G and 100G layout helps operators match uplink and aggregation requirements without overbuilding the network. For carriers and large enterprise backbones, that means fewer chassis, cleaner rack planning, and a more direct path to higher throughput. Choose this model when the cost of rack space, power, and operational complexity outweighs the appeal of lower-density alternatives. It is built for teams standardizing on high-capacity service-provider infrastructure and looking for a chassis that can anchor a serious transport or edge deployment.