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Front to back airflow matched our data center layout.
QFX5100-24Q-D-3AFO
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QFX5100, 24 QSFP+ ports, 2 expansion slots, redundant fans,...
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QFX5100-24Q-D-3AFO
- Description:
- QFX5100, 24 QSFP+ ports, 2 expansion slots, redundant fans, 2 DC power supplies, front to back airflow
- Rating:
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- Brand:
- Juniper
- GTIN:
- 11110638595
- Condition:
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QFX5100-24Q-D-3AFO Overview
QFX5100-24Q-D-3AFO is built on a high-performance, non-blocking architecture engineered for data centers and campus environments, delivering low latency and high throughput. It features multiple power options with redundant power supply capability, ensuring continuous operation and reliability even in demanding conditions.
QFX5100-24Q-D-3AFO offers 24 high-speed ports designed primarily for fiber connectivity and supports stacking for simplified management and scalability. Its robust performance makes it ideal for cloud computing, virtualization, and high-density network deployments where efficient data flow and resilience are critical.
QFX5100-24Q-D-3AFO price is is available on request. Get immediate quote.
Request bulk order quote for QFX5100-24Q-D-3AFO for additional pricing. Browse the full Juniper Qfx5100 Series Switches series or explore all Juniper products.
QFX5100-24Q-D-3AFO Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply / N/A
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount / N/A
- Power Consumption
- N/A
- 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-D-3AFO
- Uplink Configuration
- 40G
- IOS
- N/A
- POE Support
- Non POE
- SFP Ports
- 4 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
- 1280 Gbps
- Switching Capacity with Stacking
- 1280 Gbps
- Product Name
- Juniper Networks QFX5100-24Q-D-3AFO Data Center Switch
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
QFX5100-24Q-D-3AFO Use Case
Hyperscale Data Center Spine-and-Leaf Architecture
The Juniper QFX5100-24Q (24 QSFP+ ports, 2 expansion slots, redundant fans, dual DC power, front-to-back airflow) acts as a high-capacity spine switch in hyperscale data centers, delivering line-rate 40 GbE connectivity and sub-microsecond latency. This deployment optimizes east-west traffic performance, maximizes uptime with redundant components, and simplifies operations through hot-swap modules.
Enterprise Campus Aggregation with High-Density 40 GbE
In large enterprise campus networks, the QFX5100-24Q (24 QSFP+ ports, 2 expansion slots, redundant fans, dual DC power, front-to-back airflow) consolidates multiple leaf switches into a scalable 40 GbE aggregation layer. This use case reduces cabling complexity, boosts network resilience with redundant power and cooling, and enables seamless bandwidth upgrades via pluggable modules.
High-Performance Storage Fabric for AI and HPC Clusters
The QFX5100-24Q (24 QSFP+ ports, 2 expansion slots, redundant fans, dual DC power, front-to-back airflow) delivers a lossless 40 GbE fabric for AI, ML and HPC storage traffic, accelerating NVMe-oF and Ceph workloads. This configuration ensures deterministic latency, scalable throughput, and high availability to meet the demands of data-intensive applications.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| QFX5100-24Q-D-3AFO |  QFX5100-96S-DC-AFO |  QFX5100-24Q-AA-AFO |  QFX5100-48T-AFO |  QFX5100-24Q-AA-AFI | |
|---|---|---|---|---|---|
| Depth | N/A | 10 inches | 10.9 inches | 17.5 inches | 17 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount / N/A | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | N/A | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 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 | QFX5100-24Q-D-3AFO | QFX5100-96S-DC-AFO | QFX5100-24Q-AA-AFO | QFX5100-48T-AFO | QFX5100-24Q-AA-AFI |
| Media Type Supported | Fiber | Fiber | Fiber | Twisted Pair | Fiber |
| Memory | 512 MB | 4 GB | 4 GB | 4 GB | 4 GB |
| Number of Downlink Ports | 24 Ports | N/A | 24 Ports | N/A | 24 Ports |
| Number of Ethernet Ports | 12–24 Ports | Over 48 Ports | 12–24 Ports | 24–48 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | 96x 10GbE SFP+ ports | 24 QSFP+ ports with breakout support to 4x10GbE | 48x 10/100/1000BASE-T ports; 2x 10GbE SFP+ uplink ports | 24 x 40GbE QSFP ports, 4 x 10GbE SFP+ ports |
| Power Consumption | N/A | N/A | N/A | N/A | 250 W |
| Power Source | Redundant Power Supply / AC Power Supply / N/A | DC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Juniper Networks QFX5100-24Q-D-3AFO Data Center Switch | Juniper QFX5100-96S-DC-AFO Data Center Ethernet Switch | Juniper QFX5100-24Q-AA-AFO | Juniper QFX5100-48T-AFO | Juniper QFX5100-24Q-AA-AFI 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 | No | Yes |
| SFP Ports | 4 SFP Ports | 96 SFP Ports | 24 SFP Ports | 2 SFP+ Ports | 4 SFP Ports |
| Switching Capacity | 1280 Gbps | 1280 Gbps | 1440 Gbps | 720 Gbps | 1280 Gbps |
| Switching Capacity with Stacking | 1280 Gbps | 2560 Gbps | N/A | 1.44 Tbps | N/A |
| Uplink Configuration | 40G | 40G | 40G | 10G | 40G |
| Weight | N/A | 16 lbs | 20 lbs | 12 lbs | 15 lbs |
| Width | N/A | 17.5 inches | 17.7 inches | 17.5 inches | 19 inches |
Reviews & Ratings
S
Soren Whitlock
5
QSFP+ density works perfectly for spine roles.
L
Leon Falkner
4
Stable DC powered switching.
N
Niall Prescott
4
No packet loss observed.
E
Emmett Carlisle
5
Highly dependable.