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QFX5100-24Q-AA-AFI
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24 QSFP+. AA PLATFORM. BACK TO FRONT AC
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
QFX5100-24Q-AA-AFI
- Description:
- 24 QSFP+. AA PLATFORM. BACK TO FRONT AC
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 832938068056
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 90
- List Price:
$7,544.00
- Price:
$6,410.0015% off
Quantity:
1
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QFX5100-24Q-AA-AFI Overview
QFX5100-24Q-AA-AFI is a high-performance data center switch engineered with a robust, non-blocking architecture that delivers low latency and scalable throughput. Built with advanced silicon and a flexible forwarding plane, it supports both Layer 2 and Layer 3 operations while offering multiple power options via a redundant, front-mounted AC power supply to ensure high availability in mission-critical environments.
Designed for modern network deployments, QFX5100-24Q-AA-AFI features 24 high-density QSFP ports complemented by additional SFP ports for flexible connectivity. Its stackable, rack-mount form factor combines high switching capacity with efficient power consumption to support diverse use cases—ranging from data center east-west traffic management to enterprise campus interconnects—ensuring superior performance in rapidly evolving network infrastructures.
QFX5100-24Q-AA-AFI price is is available on request. Get immediate quote.
Request bulk order quote for QFX5100-24Q-AA-AFI for additional pricing. Browse the full Juniper Qfx5100 Series Switches series or explore all Juniper products.
QFX5100-24Q-AA-AFI Specifications
- Product Type
- Switch
- Brand
- Juniper
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 250 W
- Number of Ethernet Ports
- 12–24 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- QFX5100-24Q-AA-AFI
- Uplink Configuration
- 40G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 4 GB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 24 x 40GbE QSFP ports, 4 x 10GbE SFP+ ports
- Flash Memory
- 256 MB
- Switching Capacity
- 1280 Gbps
- Product Name
- Juniper QFX5100-24Q-AA-AFI Switch
- Height
- 1.75 inches
- Width
- 19 inches
- Depth
- 17 inches
- Weight
- 15 lbs
QFX5100-24Q-AA-AFI Use Case
Spine-and-Leaf High-Density Data Center Fabric
In a hyperscale cloud environment, network architects deploy the QFX5100-24Q-AA-AFI-24 QSFP+ (AA Platform, back-to-front AC) as spine and leaf switches to interconnect thousands of virtualized servers at 40 GbE. By leveraging 24 QSFP+ ports per switch with breakout cables, they achieve seamless scalability, sub-microsecond latency, and non-blocking throughput. The outcome: predictable east-west traffic performance, simplified fabric automation, and 3× higher rack density versus legacy 10 GbE architectures.
Ultra-Low-Latency Financial Trading Network
A leading exchange integrates the QFX5100-24Q-AA-AFI-24 QSFP+ (AA Platform, back-to-front AC) at its matching engine data centers to support co-location clients demanding deterministic performance. With hardware-based cut-through switching and optimized ASIC pipelines, it consistently delivers nanosecond-class latency and zero packet loss even under peak trading volumes. The benefit: accelerated order execution, improved market competitiveness, and full compliance with stringent financial regulations.
Enterprise Campus Video Collaboration Backbone
A multinational enterprise implements the QFX5100-24Q-AA-AFI-24 QSFP+ (AA Platform, back-to-front AC) as its core aggregator to support 4K/8K video conferencing, large-file transfers, and remote-office connectivity. The 24 QSFP+ ports enable 40 GbE uplinks to each building’s access switches, while integrated Virtual Chassis technology simplifies operations. The outcome: uninterrupted high-bandwidth collaboration, centralized policy enforcement, and 30% lower OPEX through unified management.
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Product Comparison Table 
| QFX5100-24Q-AA-AFI |  QFX5100-24Q-3AFO |  QFX5100-24Q-AFO |  QFX5100-24Q-D-3AFI |  QFX5100-48S-3AFO | |
|---|---|---|---|---|---|
| Depth | 17 inches | 17 inches | 18.5 inches | 16.5 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 40G | 10/100/1000 | 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 | 1.73 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | IP Services | IP Lite | Junos OS | IP Services | IP Services |
| Layer Supported | Layer 2 / Layer 3 | Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | QFX5100-24Q-AA-AFI | QFX5100-24Q-3AFO | QFX5100-24Q-AFO | QFX5100-24Q-D-3AFI | QFX5100-48S-3AFO |
| Media Type Supported | Fiber | Fiber | Fiber | Fiber | Fiber |
| Memory | 4 GB | 4 GB | 256 MB | 4 GB | 512 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 12–24 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Juniper QFX5100-24Q-AA-AFI Switch | Juniper QFX5100-24Q-3AFO | Juniper QFX5100-24Q-AFO | Juniper QFX5100-24Q-D-3AFI Data Center Switch | Juniper QFX5100-48S-3AFO 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 | No | Yes | Yes |
| Switching Capacity | 1280 Gbps | 1440 Gbps | 1440 Gbps | 1920 Gbps | 1280 Gbps |
| Uplink Configuration | 40G | 40G | 40G | 40G | 40G |
| Weight | 15 lbs | 8 lbs | 12 lbs | 15 lbs | 14 lbs |
| Width | 19 inches | 17.5 inches | 17.5 inches | 17.5 inches | 19 inches |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
T
Tristan Holloway
5
QSFP+ density works well for high speed fabrics.
R
Reginald Moore
4
Airflow-in design matched our environment.
C
Calvin Rhodes
4
Consistent low latency switching.
W
Winston Dale
5
Reliable spine or leaf option.
H
Harlan Beckett
5
Very satisfied with performance.
Questions & Answers
What is the QFX5100-24Q-AA-AFI?
The QFX5100-24Q-AA-AFI is a Juniper Networks 24-port QSFP+ switch in the AA platform with front-to-back AC power and AFI airflow, designed for high-performance data center deployments.
How many QSFP+ ports does the QFX5100-24Q-AA-AFI support?
The QFX5100-24Q-AA-AFI supports 24 QSFP+ ports, each capable of 40 GbE, for a total switching capacity of up to 1.92 Tbps.
What port types and speeds are available on the QFX5100-24Q-AA-AFI?
All 24 ports are QSFP+ slots supporting 40 GbE natively and can be broken out to 4×10 GbE using compatible QSFP+ DAC or fiber breakout cables.
What is the total switching and forwarding capacity of the QFX5100-24Q-AA-AFI?
The QFX5100-24Q-AA-AFI delivers 1.92 Tbps of switching capacity and up to 1.44 billion packets per second (bpps) of forwarding capacity.
Which airflow configuration does the QFX5100-24Q-AA-AFI use?
The QFX5100-24Q-AA-AFI employs back-to-front AFI airflow, optimized for hot-aisle/cold-aisle data center deployments.
What type of power supply does the QFX5100-24Q-AA-AFI include?
This model includes an integrated front-to-back AC power supply rated at 100–240 VAC, 50/60 Hz, delivering up to 400 W total power.
Does the QFX5100-24Q-AA-AFI support redundant power supplies?
Yes, the QFX5100-24Q-AA-AFI can be equipped with optional redundant AC or DC power supplies to ensure continuous operation.
Which operating system runs on the QFX5100-24Q-AA-AFI?
The QFX5100-24Q-AA-AFI runs Juniper’s Junos OS, offering industry-leading stability, automation, and programmability features.
What features are included in the AA platform for the QFX5100-24Q-AA-AFI?
The AA platform provides advanced Layer 2/3 switching, EVPN-VXLAN overlay, ML-based analytics, and programmable APIs for SDN integration.
What are common use cases for the QFX5100-24Q-AA-AFI in data centers?
Typical use cases include high-density spine/leaf switching, server aggregation, HPC clusters, and 40 GbE fabric expansion.
How is the QFX5100-24Q-AA-AFI configured initially?
Initial configuration is performed via the Junos CLI or Web UI, with zero-touch provisioning options available through DHCP and automation tools.
What warranty coverage does the QFX5100-24Q-AA-AFI include?
Juniper provides a limited lifetime hardware warranty and 90 days of software support, with optional premium support contracts available.
How does the QFX5100-24Q-AA-AFI support network virtualization?
It supports EVPN, VXLAN, Virtual Chassis Fabric, and VLAN-based segmentation to enable scalable multi-tenant virtualization.
Can multiple QFX5100-24Q-AA-AFI switches be stacked?
Yes, you can stack up to 10 QFX5100 switches using Virtual Chassis technology for unified management and single-image operation.
What are the physical dimensions and weight of the QFX5100-24Q-AA-AFI?
The unit measures 1.75″×17.25″×19.0″ (H×W×D) and weighs approximately 17 lbs (7.7 kg) without power supplies.
How do I order spare parts or accessories for the QFX5100-24Q-AA-AFI?
Spare parts and accessories can be ordered through authorized Juniper resellers or via the Juniper e-Store using the product SKU QFX5100-24Q-AA-AFI.