Array NTB Series vs Packet Capture (cStor®): Side-by-Side Comparison (2026)

Array NTB Series: Network traffic broker for visibility, monitoring, and traffic optimization. built by Array Networks. Core capabilities include Application-aware traffic aggregation with full stack packet analysis, L2-L7 traffic filtering and packet delivery, Tunnel handling and packet re-engineering capabilities..

Packet Capture (cStor®): Lossless packet capture & analysis appliance at 10–200 Gbps line rate. built by cPacket Networks. Core capabilities include Lossless packet capture at 10–200 Gbps line rate, Persistent storage scaling from 288 TB to over 2 petabytes, Simultaneous read/write access to captured packets..

Both serve the Network Detection and Response market but differ in approach, feature depth, and target audience.

Array NTB Series differentiates with Application-aware traffic aggregation with full stack packet analysis, L2-L7 traffic filtering and packet delivery, Tunnel handling and packet re-engineering capabilities. Packet Capture (cStor®) differentiates with Lossless packet capture at 10–200 Gbps line rate, Persistent storage scaling from 288 TB to over 2 petabytes, Simultaneous read/write access to captured packets.

Array NTB Series is developed by Array Networks. Packet Capture (cStor®) is developed by cPacket Networks. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Array NTB Series and Packet Capture (cStor®) serve similar Network Detection and Response use cases: both are Network Detection and Response tools, both cover Network Monitoring, Network Visibility, Packet Analysis. Review the feature comparison above to determine which fits your requirements.