Network professionals evaluating Cisco's high-performance platforms must understand the critical differences between the Nexus 9504 (data center switch) and DS-C9513 (hyperscale router). This technical comparison examines their specifications, operational capabilities, and ideal deployment scenarios to inform infrastructure decisions.
Feature | Cisco Nexus 9504 | Cisco DS-C9513 |
---|---|---|
Device Class | Data Center Switch | Hyperscale Router |
Chassis Type | 4-slot modular | 13-slot modular |
Processor | 32-core ASIC | 64-core Silicon One |
System Memory | 512 GB DDR4 | 1 TB DDR4 |
Storage | 4 TB NVMe SSD | 8 TB NVMe SSD |
Forwarding Capacity | 1.8 Tbps | 3.6 Tbps |
Max Interfaces | 192x 100/400G | 512x 400G |
Power Supply | Quad 3000W DC | Six 8000W DC |
Power Consumption | 3.5 kW (typical) | 6.5 kW (typical) |
Latency | 3 μs | <1 μs |
The DS-C9513 delivers 100% greater performance than the Nexus 9504, establishing it as Cisco's most powerful routing platform for extreme-scale deployments.
Shared Capabilities:
High-density 400G interfaces
Deep buffer architecture
Segment routing (SRv6)
Model-driven telemetry
DS-C9513 Advantages:
Higher port density
Greater forwarding capacity
Lower latency
Advanced routing features
Nexus 9504 excels in:
Enterprise data centers
Cloud provider edge
Storage networking
DS-C9513 optimized for:
Hyperscale internet cores
AI/ML workload fabrics
Global internet exchanges
Chassis Architecture:
Nexus 9504:
7RU modular design
Front/rear service access
Hot-swappable line cards
220 lbs empty weight
Data center optimized
DS-C9513:
21RU modular chassis
Front/rear service access
Hot-swappable fabric cards
450 lbs empty weight
Hyperscale cooling system
Environmental Specifications:
Operating temperature:
Both: 5°C to 27°C
Acoustic noise:
Nexus 9504: 75 dBA
DS-C9513: 85 dBA
Power options:
Both: DC/HVDC only
Management Interfaces:
Both support:
NX-OS/IOS-XR
NETCONF/YANG
gRPC interfaces
Automation tools
Operational Differences:
DS-C9513 handles:
More complex routing
Higher connection density
Extreme-scale automation
Nexus 9504 optimized for:
Data center switching
Storage networking
Virtualization support
Acquisition Costs:
Nexus 9504: 400,000−600,000
DS-C9513: 850,000−1.2M
Operational Expenditures:
Power consumption difference: ~$3,000/year
Rack space requirements:
DS-C9513 needs 3x more space
Support contracts:
Both require premium SLAs
Five-Year TCO Considerations:
DS-C9513 justified for:
Global internet cores
AI workload fabrics
Future-proof investments
Nexus 9504 economical for:
Enterprise data centers
Cloud provider edges
High-density switching
Energy Usage:
Nexus 9504:
Idle: 2.8 kW
Peak: 5.5 kW
DS-C9513:
Idle: 4.2 kW
Peak: 8.1 kW
Efficiency Comparison:
Performance per watt:
Nexus 9504: 514 Mbps/W
DS-C9513: 553 Mbps/W
Third-Party Integration:
Both support:
Cloud orchestration
CI/CD pipelines
Kubernetes networking
Automation frameworks
DS-C9513 Advantages:
Greater SDN integration
Enhanced telemetry
More open APIs
Advanced analytics
Current Software Features:
Nexus 9504: NX-OS 9.x
DS-C9513: IOS-XR 7.x
Different feature sets
Future Development:
DS-C9513 prioritized for:
1.6T interfaces
AI networking
Quantum security
Nexus 9504 focused on:
Data center features
Enhanced automation
Performance optimization
Choose Nexus 9504 When:
✔ Enterprise data center deployment
✔ Need 1.8T switching capacity
✔ Storage networking requirements
✔ Balanced cost/performance
Select DS-C9513 When:
✔ Hyperscale internet core
✔ Need 3.6T routing capacity
✔ AI/ML workload support
✔ Maximum scalability
Implementation Strategy:
Deploy DS-C9513 at global cores and Nexus 9504 in data centers to create a complete network architecture.
Key Differentiators:
Function: Routing vs switching
Scale: 512x vs 192x 400G interfaces
Performance: 3.6T vs 1.8T forwarding
Ecosystem: Hyperscale vs data center
Technical Note: These platforms serve fundamentally different purposes - the DS-C9513 as a hyperscale router and the Nexus 9504 as a data center switch. The performance gap reflects their distinct design priorities and target operating environments.