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Terrance Goodwin
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Excellent density and DC power support.
QFX5100-96S-DC-AFI
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QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and...
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QFX5100-96S-DC-AFI
- Description:
- QFX5100, 96 1/10G SFP+,8 40G QSFP ports, redundant fans and PSUs, DC, Back to Front airflow
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- Brand:
- Juniper
- GTIN:
- 832938069992
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QFX5100-96S-DC-AFI Overview
QFX5100-96S-DC-AFI is a high-performance data center switch engineered with a robust, fixed-configuration architecture that delivers the scalability and low latency required for modern network environments. It supports both Layer 2 and Layer 3 functionalities and is built to operate reliably under diverse power regimes, offering a design that accommodates redundant power arrangements for enhanced availability.
QFX5100-96S-DC-AFI provides a dense array of 96 SFP ports for versatile fiber connectivity while retaining industry-leading switching performance. Its design facilitates stacking and seamless scalability for cloud-scale environments, making it an excellent choice for enterprise core, data center interconnect, and high-demand virtualization use cases.
QFX5100-96S-DC-AFI price is is available on request. Get immediate quote.
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QFX5100-96S-DC-AFI Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 450 W
- Number of Ethernet Ports
- Over 48 Ports
- Number of Downlink Ports
- N/A
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- QFX5100-96S-DC-AFI
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- 96 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 256 MB
- Switching Capacity
- 1440 Gbps
- Switching Capacity with Stacking
- 1440 Gbps
- Product Name
- Juniper QFX5100-96S-DC-AFI
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 18 inches
- Weight
- 25 lbs
QFX5100-96S-DC-AFI Use Case
High-Density Spine-Leaf Aggregation in Hyperscale Data Centers
In a global cloud provider’s hyperscale data center, the QFX5100-96S-DC-AFI operates as a spine switch aggregating 96 1/10G SFP+ leaf uplinks and 8 40G QSFP uplinks. Dual redundant DC fans and PSUs with back-to-front airflow ensure continuous operation in high-power environments. Benefit: Achieves sub-2 µs port-to-port latency at line rate, delivers 100% network uptime, and reduces rack footprint by 40%, driving scalable east-west traffic performance.
Ultra-Low-Latency Trading Platform Switch Fabric
A leading financial services firm deploys the QFX5100-96S-DC-AFI in its colocation site to minimize microsecond delays. The switch’s 96 1/10G SFP+ ports connect trading servers, while 8 40G QSFP uplinks link to core routers. Redundant DC power and back-to-front cooling guarantee fault-tolerant operation. Benefit: Cuts trade execution latency by 20%, ensures 99.999% availability, and meets stringent SLAs for high-frequency trading workloads.
Carrier-Grade NFV Infrastructure in Telecom Central Offices
In a Tier-1 carrier’s network functions virtualization (NFV) deployment, the QFX5100-96S-DC-AFI provides 96 1/10G SFP+ and 8 40G QSFP ports for vCPE, vIMS, and virtual router integration. Back-to-front airflow aligns with central office cooling, while redundant DC fans and PSUs reduce service interruptions. Benefit: Simplifies service roll-out, lowers power consumption by 30%, and minimizes rack-unit requirements, accelerating new revenue-generating services.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| QFX5100-96S-DC-AFI |  QFX5100-96S-DC-AFO |  QFX5100-24Q-3AFI |  QFX5100-96S-AFO |  QFX5100-48T-AFI | |
|---|---|---|---|---|---|
| Depth | 18 inches | 10 inches | 18.5 inches | 18.5 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/25/40/100GbE | 10GbE | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.73 inches | 1.75 inches |
| IOS | IP Services | IP Services | Junos OS | Junos OS | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/25/40/100GbE | 10GbE | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | QFX5100-96S-DC-AFI | QFX5100-96S-DC-AFO | QFX5100-24Q-3AFI | QFX5100-96S-AFO | QFX5100-48T-AFI |
| Media Type Supported | Fiber | Fiber | Fiber / Copper | Fiber | Twisted Pair |
| Memory | 512 MB | 4 GB | 4 GB | 4 GB | 4 GB |
| Number of Downlink Ports | N/A | N/A | 24 Ports | 96 Ports | 48 Ports |
| Number of Ethernet Ports | Over 48 Ports | Over 48 Ports | 12–24 Ports | Over 48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | 96x 10GbE SFP+ ports | 24 QSFP28 fixed ports | Fixed configuration with 96 SFP+ downlink ports and 6 QSFP+ uplink ports | 48 x 10GBase-T ports and 4 x 40G QSFP+ uplink ports |
| Power Consumption | 450 W | N/A | N/A | 370 W | 220W |
| Power Source | Redundant Power Supply | DC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | Juniper QFX5100-96S-DC-AFI | Juniper QFX5100-96S-DC-AFO Data Center Ethernet Switch | Juniper Networks QFX5100-24Q-3AFI | Juniper Networks QFX5100-96S-AFO | Juniper Networks QFX5100-48T-AFI Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | Yes | Yes | No |
| SFP Ports | 96 SFP Ports | 96 SFP Ports | N/A | 96 x 10GbE SFP+ ports | 4 SFP Ports |
| Switching Capacity | 1440 Gbps | 1280 Gbps | 4800 Gbps | 1920 Gbps | 1440 Gbps |
| Switching Capacity with Stacking | 1440 Gbps | 2560 Gbps | N/A | N/A | N/A |
| Uplink Configuration | 10G | 40G | 40G/100G | 40G | 10G |
| Weight | 25 lbs | 16 lbs | 25 lbs | 15 lbs | 19 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
L
Liam Weatherby
5
Stable under extreme traffic loads.
O
Oscar Bramwell
5
Airflow-in design kept temperatures low.
P
Percival Grant
4
Great for large data centers.
R
Roland Kemp
4
Highly reliable.
Questions & Answers
What is the Juniper QFX5100-96S-DC-AFI switch?
The QFX5100-96S-DC-AFI is a high-performance, data-center leaf switch featuring 96 1/10GbE SFP+ ports, 8 40GbE QSFP ports, redundant fans and power supplies, DC power support, and back-to-front airflow for demanding enterprise and cloud networks.
How many and what type of ports does the QFX5100-96S-DC-AFI offer?
It offers 96 1/10GbE SFP+ ports for server connectivity and 8 40GbE QSFP ports for high-capacity uplinks or spine links.
What is the forwarding capacity and throughput of the QFX5100-96S-DC-AFI?
It delivers up to 1.44 Tbps of switching capacity and 1.08 Bpps of packet forwarding performance for wire-speed, non-blocking operations.
What power supply and redundancy features are available?
The switch includes dual, hot-swappable DC power supplies rated at –48V, providing N+1 redundancy for uninterrupted operation.
How is airflow configured in the QFX5100-96S-DC-AFI?
It uses a back-to-front airflow design, pulling cool air in from the rear and exhausting heated air toward the front to align with typical data-center hot-aisle/cold-aisle layouts.
Are the fans redundant and hot-swappable?
Yes, the switch has redundant, front-accessible, hot-swappable fan trays to ensure continuous cooling without service interruptions.
Which operating system powers the QFX5100-96S-DC-AFI?
It runs Junos OS, offering a modular architecture with consistent CLI, advanced automation, and robust protocol support.
Does the switch support Virtual Chassis technology?
Yes, it supports Juniper Virtual Chassis to interconnect up to 10 QFX5100 switches into a single logical device for simplified management and scaling.
What DC voltage range does the QFX5100-96S-DC-AFI support?
It operates on a –40V to –72V DC input range, making it compatible with standard telecom-grade DC power systems.
Which data center features does the switch support?
The switch supports EVPN-VXLAN, MLAG, ML-AG, DCB, PFC, and advanced automation for scalable, multi-tenant, and lossless data-center deployments.
What is the typical latency of the QFX5100-96S-DC-AFI?
Latency is as low as 700 nanoseconds on 10GbE ports, ensuring minimal delay for high-performance applications.
Can the QFX5100-96S-DC-AFI be rack-mounted?
Yes, it is a 1U chassis with included rack-mount brackets for standard 19-inch racks, optimizing space in data-center environments.
What environmental specifications apply to this switch?
It operates between 0°C to 40°C with 5%–90% non-condensing humidity and meets NEBS Level 3 and ETSI standards for reliability.
Is advanced buffering supported on the QFX5100-96S-DC-AFI?
Yes, it features 16 MB of packet buffer memory to handle microbursts and ensure lossless performance under heavy load.
How is quality of service (QoS) handled?
The switch provides eight hardware queues per port, hierarchical scheduling, and traffic policing for granular QoS control.
What warranty and support options are available?
Juniper offers a limited lifetime warranty for the chassis and a one-year warranty for components, with optional Juniper Care support services for expedited replacement and premium support.