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Preston Hale
5
18-slot FAB module delivered excellent throughput and high availability.
N7K-C7018-FAB-1
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Nexus 7000 - 18 Slot Chassis - 46Gbps/Slot Fabric Module
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N7K-C7018-FAB-1
- Description:
- Nexus 7000 - 18 Slot Chassis - 46Gbps/Slot Fabric Module
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- Cisco
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N7K-C7018-FAB-1 Overview
N7K-C7018-FAB-1 is a high-performance fabric module designed for Cisco Nexus 7000 Series chassis that interconnects high-density line cards and supervisor engines in data centers. Built to deliver rapid inter-module communication, this fabric card enables efficient, low-latency data transfers and is optimized for applications requiring robust, scalable interconnectivity in mission-critical network environments.
Engineered with a modular form factor for easy installation and maintenance, the N7K-C7018-FAB-1 seamlessly integrates into the Nexus 7000 platform. This fabric module supports industry-standard Ethernet and Cisco FabricPath protocols to help realize high availability and reliable connectivity, making it ideal for expanding data center capacity and enhancing overall network performance.
N7K-C7018-FAB-1 price is is available on request. Get immediate quote.
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N7K-C7018-FAB-1 Specifications
- Power Consumption
- N/A
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Interface Ports
- N/A
- Expansion Slots
- N/A
- Form Factor
- Modular
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Max Speed
- 10Gbps
- Data Rate
- 10Gbps
- Product Type
- Network Module / Switch Fabric Card
- Module Type
- Fabric Module
- Connector Type
- Proprietary
- Supported Protocols
- Ethernet, FabricPath
- Compatibility
- Cisco Nexus 7000 Series
- Supported Features
- High Availability, Hot-swappable
- Product Name
- Cisco Nexus 7000 Fabric Module N7K-C7018-FAB-1
N7K-C7018-FAB-1 Use Case
High-Density Virtualization Core Switch for Large Enterprises
In a global financial firm deploying 5,000+ VMware ESXi hosts, the N7K-C7018-FAB-1 Nexus 7000 18-Slot Chassis with 46 Gbps/slot fabric modules consolidates core switching and east-west traffic at sub-millisecond latency. This design delivers linear scalability, non-stop forwarding and up to 828 Tbps in a single chassis, enabling predictable performance, simplified operations and 50% lower power per gigabit compared to legacy blades.
Multi-Tenant Cloud Aggregation for Service Providers
A tier-1 cloud operator uses the N7K-C7018-FAB-1 Nexus 7000 chassis to aggregate traffic from 100+ virtual data centers over 10/40/100 GbE links. The 46 Gbps/slot fabric module ensures per-tenant QoS, VXLAN routing and hardware-based multi-chassis link aggregation. This delivers 99.999% uptime, granular bandwidth assurance and security segmentation, driving higher customer SLAs and operational simplicity.
Ultra-Low-Latency Fabric for High-Performance Computing Clusters
A national research laboratory builds a 2,048-node HPC cluster connected through the N7K-C7018-FAB-1 Nexus 7000 18-Slot Chassis. The 46 Gbps/slot fabric modules deliver deterministic latency and wire-speed performance for MPI workloads. This architecture accelerates simulation runtimes by 40%, scales to petascale computing and centralizes fabric management, maximizing research throughput and resource utilization.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| N7K-C7018-FAB-1 |  N77-C7710-FAB-3= |  N77-C7706-FAB-3= |  N77-SUP3E |  N77-C7710-FAB-3 | |
|---|---|---|---|---|---|
| Product Type | Network Module / Switch Fabric Card | Network Module / Network Card | Network Card | Network Card | Network Card |
| Module Type | Fabric Module | Ethernet | Fibre Channel | Ethernet | Ethernet |
| Data Rate | 10Gbps | 10G | 10G | 10G | 10G |
| Connector Type | Proprietary | SFP+ | SFP+ | SFP+ | SFP+ |
| Supported Protocols | Ethernet, FabricPath | TCP/IP, iSCSI | TCP/IP / Fibre Channel | TCP/IP, iSCSI | TCP/IP, iSCSI |
| Form Factor | Modular | PCIe | PCIe | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco Nexus 7000 Series | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Dell, HP |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Supported Features | High Availability, Hot-swappable | Auto-negotiation, Jumbo Frames | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames |
| Power Consumption | N/A | 7W | N/A | 15W | 12W |
| Interface Ports | N/A | Ethernet | Fibre Channel / SFP+ | Ethernet | Ethernet, SFP+ |
| Expansion Slots | N/A | N/A | N/A | N/A | SFP |
| Product Name | Cisco Nexus 7000 Fabric Module N7K-C7018-FAB-1 | N77-C7710-FAB-3= | N77-C7706-FAB-3= | N77-SUP3E High-Speed Ethernet Card | N77-C7710-FAB-3 |
| Height | N/A | N/A | N/A | 1.5 inches | 1.5 in |
| Width | N/A | N/A | N/A | 3.5 inches | 8.0 in |
| Depth | N/A | N/A | N/A | 0.5 inches | 10.0 in |
| Weight | N/A | N/A | N/A | 1.2 lbs | 1.2 lbs |
Reviews & Ratings
Q
Quentin Ellis
4
Handles heavy core traffic with minimal latency.
R
Ronan Barrett
5
Professional-grade Cisco module for enterprise deployments.
S
Sterling Clarke
4
Easy installation with predictable performance.
T
Trevor Ford
5
Stable, high-performing fabric solution.
Questions & Answers
What is the Cisco Nexus 7000 N7K-C7018-FAB-1 chassis?
The Cisco Nexus 7000 N7K-C7018-FAB-1 is an 18-slot modular data center switch chassis pre-populated with a Fabric-1 (FAB-1) module supporting up to 46 Gbps per slot.
What fabric bandwidth does the FAB-1 module deliver?
The FAB-1 module provides a non-blocking fabric capacity of 46 Gbps per slot, for up to 828 Gbps aggregate switching bandwidth in the 18-slot chassis.
Which line cards are compatible with this chassis?
The N7K-C7018 supports Cisco Nexus 7000 series M1, M2 and M3 line cards, including 10 Gigabit Ethernet, 40 Gigabit Ethernet, and Fibre Channel over Ethernet (FCoE) modules.
Can I mix FAB-1 and FAB-2 modules in the Nexus 7000?
No. The 18-slot Nexus 7000 chassis supports only homogeneous FAB modules. You must install either all FAB-1 or all FAB-2 modules; mixed configurations are not supported.
What power supply options are available?
The chassis accommodates up to six hot-swappable AC or DC power supplies for N+1 or N+N redundancy, ensuring uninterrupted operations and load balancing.
What are the cooling and airflow requirements?
The Nexus 7000 uses front-to-rear airflow with eight redundant hot-swap fans. It requires a data center environment rated at 5 °C to 35 °C and 5%–85% relative humidity.
How do I install the FAB-1 module in the chassis?
Power down the chassis, slide the FAB-1 module into the dedicated fabric slot, secure with captive screws, then power on. The chassis automatically recognizes and activates the module.
What software is required to operate this chassis?
Cisco NX-OS software is preloaded. You need the appropriate feature licenses (FabricPath, OTV, etc.) to enable advanced data center functions.
What is the typical use case for the Nexus 7000 with FAB-1?
This platform is ideal for core and aggregation layers in large data centers, supporting high-density 10/40 Gbps deployments, virtualization, and scalable campus fabrics.
How scalable is the 18-slot Nexus 7000 chassis?
With 18 line-card slots and 46 Gbps per slot, you can scale up to 828 Gbps of fabric capacity and support thousands of 10 GbE and 40 GbE interfaces.
What are the chassis dimensions and weight?
The chassis measures 17.5" (W) × 28.8" (D) × 10.5" (H) and weighs 110 lbs (49.9 kg) fully loaded with FAB-1 and line cards installed.
Does the FAB-1 module support redundancy?
Yes. In an 18-slot chassis with multiple FAB-1 modules, you can configure N+1 fabric redundancy to maintain fabric connectivity in case of module failure.
What management interfaces are available?
The chassis offers dual out-of-band 10/100/1000 Mbps Ethernet management ports, a serial console port, and an optional USB console interface.
How much power does the FAB-1 module consume?
Each FAB-1 module consumes approximately 200 W under full load; total chassis power depends on the number of modules and line cards installed.
What warranty and support options does Cisco offer?
Cisco provides a limited warranty, global software support (SWSS) and hardware replacement services via Cisco SMARTnet or partner programs for rapid parts replacement and 24/7 technical assistance.