• Gray metallic arista dcs-7358x4-sc-f modular network switch card with multiple vertical ports and 12.8 tbps capacity
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Arista

Arista DCS-7358X4-SC-F | 7358X4 Modular Switch Card, 12.8 Tbps, Front-to-Rear

DCS-7358X4-SC-F

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Description

The Arista DCS-7358X4-SC-F is a high-performance switch card designed for the 7368 chassis, delivering 12.8 Tbps system forwarding capacity with 5.3 billion packets per second throughput. This 4RU modular switch card connects to 8 I/O module slots and supports up to 128 ports of 100G or 32 ports of 400G, making it ideal for enterprise data centers, hyperscale cloud environments, and high-performance computing clusters. Front-to-rear airflow configuration ensures efficient cooling in modern data center deployments.

Features

12.8 Tbps switching fabric with single high-capacity packet processor
- Support for up to 128 ports of 100G or 32 ports of 400G via I/O modules
- Advanced Layer 2 and Layer 3 routing with up to 320K IPv4 / 80K IPv6 host routes
- 128-way ECMP and 64-way MLAG for scalable multi-pathing designs
- 132 MB shared packet buffer with dynamic allocation for microburst absorption
- Sub-microsecond latency (900ns) in cut-through mode
- Advanced traffic management with LANZ microburst detection and sFlow monitoring
- Flow-aware load balancing for optimal traffic distribution
- In-band telemetry support (INT and GREEN-T) for network visibility
- VXLAN, EVPN, and Segment Routing (SR) support for overlay networks
- CloudVision integration for network-wide automation and orchestration
- Hot-swappable, field-replaceable design for zero-downtime maintenance
- Front-to-rear airflow with N+1 redundant fan system
- Arista EOS with state sharing architecture and live software patching
- Support for 128K MAC entries and high-scale routing tables

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

Switch Card Type: 7358X4-SC for 7368 chassis
- System Capacity: 12.8 Tbps switching capacity
- Packet Forwarding: Up to 5.3 billion packets per second (Bpps)
- I/O Module Slots: 8 slots, each with 3.2 Tbps per slot capacity
- Maximum Port Density: Up to 128x 100G or 32x 400G (depending on modules)
- Packet Buffer: 132 MB intelligent buffer with dynamic allocation
- Latency: As low as 900ns port-to-port in cut-through mode
- Form Factor: 4RU modular chassis component
- Airflow: Front-to-rear (port-to-fan) airflow direction
- Interface Support: 25G, 100G, 200G, and 400G with modular I/O cards
- Management CPU: Quad-core x86 processor with 32GB DRAM on supervisor
- Operating System: Arista EOS (Extensible Operating System)
- Redundancy: Hot-swappable, field-replaceable switch card
- Power Supply Support: Up to 4 AC or DC power supplies with N+N redundancy
- Fan System: Includes front-to-rear airflow fans, N+1 redundancy

FAQs

Q: What chassis is the DCS-7358X4-SC-F compatible with?
A: The DCS-7358X4-SC-F switch card is designed specifically for the Arista 7368 chassis. It connects to 8 I/O module slots and delivers 3.2 Tbps of capacity to each slot, providing a total system capacity of 12.8 Tbps.

Q: What is the difference between the 7358X4 and 7368X4 switch cards?
A: The 7358X4 features a higher-capacity packet buffer (132 MB vs 64 MB), slightly different latency characteristics (900ns vs 700ns), and a forwarding rate of 5.3 Bpps compared to 8 Bpps on the 7368X4. Both share many I/O modules and fit the same 7368 chassis for easy migration.

Q: What does the '-F' suffix indicate in the part number?
A: The '-F' suffix indicates front-to-rear airflow direction (port side to fan side). This is critical for data center cooling design and must match the airflow direction of your chassis power supplies and fan trays to ensure proper thermal management.

Q: Can the switch card be replaced without disrupting network cabling?
A: Yes, the DCS-7358X4-SC-F is rear-removable and field-replaceable without disrupting interface modules or network cabling on the front of the chassis. All active components are hot-swappable for simplified maintenance.

Q: What use cases is the 7358X4 series optimized for?
A: The 7358X4 is optimized for enterprise data centers, hyperscale cloud networks, high-performance computing (HPC), artificial intelligence, and machine learning workloads. It serves well in both leaf and spine topologies requiring high-density 100G and 400G connectivity with consistent low latency.

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