Cisco UCSX-CPU-I8444HC=: Enterprise-Grade Com
Architectural Innovation and Core Specifications�...
Architectural Evolution from DS-X9648-1536K9
The DS-X9648-1536K9B= represents Cisco’s iterative enhancement of its 48-port Fibre Channel switching module, now optimized for 64G Gen 7 FC environments. Compared to its predecessor DS-X9648-1536K9 (32G FC), this revision introduces three critical upgrades:
| Feature | DS-X9648-1536K9B= | DS-X9648-1536K9 (Legacy) |
|---|---|---|
| Port Speed | 64G FC (Line-Rate) | 32G FC |
| Buffer Credits/Port | 1536 | 768 |
| Power Efficiency | 5.2W/Port | 6.8W/Port |
| NX-OS Compatibility | 10.4(2a)+ | 8.4(2c) |
The doubled buffer credit allocation enables 40km DWDM connectivity without performance degradation – a critical improvement for metro-scale SAN replication.
Performance Benchmarks in Hyperscale SANs
Third-party testing under 85% sustained load reveals:
- 19.2μs latency for 2KB frames (32% improvement vs previous gen)
- 6.14Tbps aggregate throughput with 256 VSANs active
- 0.0003% packet loss during concurrent FICON/FC-NVMe traffic
These metrics position the module as ideal for:
- AI training clusters requiring sub-20μs GPU-NVMe communication
- Financial trading systems mandating <25μs transaction latency
- Healthcare imaging archives transferring 8K DICOM files at 40Gbps
Implementation Requirements
Deploying DS-X9648-1536K9B= requires:
- MDS 9718 Director chassis with Supervisor-4 modules
- NX-OS 10.4(2a) for Gen 7 FC features
- DS-SFP-FC64G-SW optics (validated for 100m OM4/150m OM5)
- MDS 9000 Advanced License for IVR zoning and FICON acceleration
For organizations sourcing through authorized channels like itmall.sale, ensure:
- Smart Net Total Care registration for firmware updates
- Thermal validation maintaining chassis intake <35°C
Sustainability Impact
The module’s 5.2W/Port power draw combined with 94% efficient PSUs enables:
- 38% reduction in energy costs vs previous generation
- 22 metric tons annual CO₂ savings per fully-loaded chassis
Operational Perspective: Balancing Innovation and Obsolescence
While DS-X9648-1536K9B= delivers unmatched 64G FC density, its dependency on Cisco’s ASIC-4 architecture creates vendor lock-in challenges. Enterprises planning multi-vendor NVMe/TCP strategies should verify interoperability with NetApp AFF A900 systems. However, for organizations standardized on Cisco’s ecosystem, this module provides a transitional bridge to 128G FC while preserving existing SAN investments – a strategic advantage in volatile storage markets. The true value emerges in hybrid environments where 64G FC coexists with 100GbE, achieving 92% link utilization in hyperscale storage pools according to 2025 SNIA benchmarks.