Cisco NCS55A1 Router Chassis - Management Port - 54 QSFP+ Slots, SFP28 Slots, SFP+ Slots, SFP (mini-GBIC) Slots, QSFP28 Slots - 128 GB - 100 Gigabit Ethernet - IEEE 802.1Q, IEEE 802.1ad, IEEE 802.3ad - 1U - Rack-mountable - 1 Year

Building on the success of the Cisco^® Network Convergence System 5501 (NCS-5501), the Cisco Network Convergence System 55A1-24Q6H-S (NCS-55A1-24Q6H-S) offers improvements designed to meet the challenges of the zettabyte era. The NCS-55A1-24Q6H-S provides dense 1GE/10GE/25GE/100GE functionality in a 1-rack-unit package with line-rate MACsec, and Precision Time Protocol (PTP) Synchronous Ethernet (SyncE)/1588 Class B timing. With its ultra-low per-bit power consumption, deep packet buffering, and optimized forwarding architecture the NCS-55A1-24Q6H-S has the flexibility to be deployed across various network roles, including 5G Mobile Backhaul, Top of Rack (ToR), spine-and-leaf, and Converged Interconnect Network (CIN). Built to take full advantage of the advanced capabilities you have come to expect from Cisco IOS^® XR, the NCS-55A1 fixed chassis models boast advanced packet classification, segment routing, ultra-wide Equal-Cost Multipathing (ECMP), programmable network management, and telemetry to make your network smarter, faster, and more agile.