What Is the DS-C9396T-48IK9?

The ​​DS-C9396T-48IK9​​ is Cisco’s ​​32Gbps Fibre Channel switch​​ designed for enterprise storage environments demanding ultra-low latency and massive data throughput. As part of the ​​Cisco MDS 9396T Series​​, this 2RU device ships with ​​48 activated ports​​ (expandable to 96 via licenses), supporting ​​auto-negotiated speeds from 2Gbps to 32Gbps​​. Its front-to-back airflow design optimizes rack cooling, while ​​Cisco NX-OS​​ ensures unified SAN management across hybrid infrastructures.


Critical Features for Modern Storage Networks

  1. ​​Unrivaled Speed and Scalability​​

    • ​​32Gbps line-rate performance​​ per port, ​​3x faster​​ than traditional 16G FC switches
    • ​​96-port capacity​​ via ​​Cisco MDS 9396T Port Activation Licenses​​
    • ​​Dynamic buffer allocation​​ with ​​2,000+ buffer credits per port​​ for long-distance FCIP/FC links
  2. ​​Intelligent Traffic Management​​

    • ​​VSAN Inter-Routing (IVR)​​ enables secure data sharing across 4,096 virtual SANs
    • ​​Hardware-based QoS​​ prioritizes mission-critical storage traffic
    • ​​FCoE and NVMe-oF readiness​​ for unified SAN/NAS architectures
  3. ​​Enterprise-Grade Reliability​​

    • ​​Dual redundant power supplies​​ (650W) with 90% energy efficiency
    • ​​In-Service Software Upgrades (ISSU)​​ eliminate downtime during updates
    • ​​Smart diagnostics​​ with Cisco Prime DCNM integration

DS-C9396T-48IK9 vs. Previous-Gen Switches: Key Differentiators

Parameter DS-C9396T-48IK9 MDS 9396S (16G Model)
Max Throughput per Port ​​32Gbps​​ 16Gbps
Buffer Credits per Port ​​2,048​​ 1,248
VSAN Capacity ​​4,096​​ 1,024
NVMe-oF Readiness ​​Native Support​​ Requires add-on cards
Energy Consumption 3.2W per port 4.8W per port

This table highlights its ​​future-proof architecture​​, particularly for NVMe-based flash storage and AI/ML workloads.


Deployment Scenarios

  1. ​​Hyperscale Data Center Core​​
    Handles ​​100,000+ IOPS​​ workloads in all-flash arrays, reducing latency by ​​40%​​ compared to 16G FC switches.

  2. ​​Disaster Recovery Fabrics​​
    Enables ​​<2ms latency​​ for synchronous replication across 100km distances using FCIP extensions.

  3. ​​Edge Computing Nodes​​
    Processes real-time analytics with ​​sub-500μs port-to-port latency​​, ideal for IoT and 5G edge storage.


Procurement and Configuration

For authorized purchases in Asia-Pacific markets, visit Cisco Certified Store. The DS-C9396T-48IK9 requires:

  • ​​MDS-9396T chassis​​ (included)
  • ​​32G SFP+ transceivers​​ (sold separately)
  • ​​Cisco DCNM Advanced License​​ for automation

While some argue 32G FC is transitional before 64G adoption, the DS-C9396T-48IK9’s ​​backward compatibility with 8/16G devices​​ and ​​NVMe-oF integration​​ make it a strategic investment. Its true value emerges in mixed-environment data centers – bridging legacy FC infrastructures with cloud-native storage while maintaining ​​99.999% uptime​​. For organizations modernizing without discarding existing SAN assets, this switch delivers unmatched flexibility. The operational cost savings from reduced power consumption alone justify migration within 3-5 year refresh cycles.

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