United States
Name:
QFX5100-48S-DC-AFO
- Description:
- QFX5100, 48 SFP+/SFP ports, 6 QSFP ports, redundant fans, redundant power supplies, Built in Port to PSU air flow.
- Rating:
-
(0)
Added to cart 17 times recently
- Availability:
-
In stock - Ready to Ship
- Brand:
- Juniper
- Condition:
- GTIN:
- 46655505255
- Warranty:
-
3 - List Price:
-
- Price:
-
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Exclusive Bulk Discounts tailored to your order size
Priority Processing with a dedicated account manager
Fast Response: Get your custom quote within 5-10 minutes during business hours (Mon-Fri, 6:00 AM – 6:00 PM PST)
Holiday Bonus: Submissions on holidays receive priority handling the next business day
Shipping:
Payment:
Shipping as per your need
Same-day Shipping
Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
QFX5100-48S-DC-AFO Overview
QFX5100-48S-DC-AFO is a high-performance data center switch built on an optimized architecture that delivers low latency and high throughput for demanding network environments. Designed with a fixed rack-mount chassis, it features a direct current power configuration that ensures efficient, continuous operation while offering a robust set of connectivity options.
QFX5100-48S-DC-AFO provides 48 high-speed SFP ports with flexible uplink configurations and supports stacking to simplify network expansion and management. Its integrated hardware-based packet forwarding, scalable design, and reliable performance make it well suited for data center aggregation, enterprise campus deployments, and cloud-based infrastructures.
What is the price of QFX5100-48S-DC-AFO?
Pricing for QFX5100-48S-DC-AFO is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for QFX5100-48S-DC-AFO.
Explore more options from Switches or explore other Juniper products.
QFX5100-48S-DC-AFO Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 48 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Fiber |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | QFX5100-48S-DC-AFO |
| Uplink Configuration | 10G |
| IOS | IP Services |
| POE Support | Non POE |
| SFP Ports | 48 SFP Ports |
| Memory | 4 GB |
| 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 QFX5100-48S-DC-AFO |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 18 inches |
| Weight | 15 lbs |
QFX5100-48S-DC-AFO Use Case
High-Density Spine Deployment in Hyperscale Data Centers
In a hyperscale cloud data center, network architects deploy the Juniper QFX5100-48S-DC-AFO-QFX5100 as a spine switch – providing 48 SFP+ leaf uplinks and 6 QSFP+ 40G/100G core links for linear scale-out. Redundant fans and power supplies with built-in port-to-PSU airflow deliver sub-microsecond latency, 99.999% uptime and efficient hot-aisle cooling, enabling automated leaf-spine fabric orchestration at high density.
Low-Latency Financial Trading Network Core
A global financial trading firm implements the QFX5100-48S-DC-AFO-QFX5100 at its exchange colocations to interconnect trading servers via 48 SFP+ low-latency ports and aggregate market data feeds over 6 QSFP+ uplinks. With front-to-back airflow, redundant power supplies and fans, this switch ensures sub-50 µs inter-switch latency and nonstop 24/7 trading execution, maximizing transaction speed and reliability.
5G Edge Aggregation for Telecom Backhaul
A Tier 1 telecom operator uses the QFX5100-48S-DC-AFO-QFX5100 for 5G edge backhaul, leveraging 48 SFP+ ports for distributed radio sites and 6 QSFP+ ports for high-capacity core aggregation. Dual power and fan redundancy plus built-in port-to-PSU airflow guarantee five-nine availability and optimal thermal management in DC-powered telco racks, delivering scalable bandwidth and simplified operations for next-gen mobile services.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
|
|
|
|
|
|
|---|---|---|---|---|---|
| Depth | 10.7 inches | 17 inches | 18 inches | 16.5 inches | N/A |
| 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 | Rack-mount | Rack-mount | Rack-mount | Rack-mount / N/A |
| Height | 1.72 inches | 1.75 inches | 1.75 inches | 1.75 inches | N/A |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Services | IP Services | IP Services | IP Services | N/A |
| 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 | QFX5100-48S-DC-AFI | QFX5100-24Q-AA-AFI | QFX5100-48S-DC-AFO | QFX5100-24Q-D-3AFI | QFX5100-24Q-D-3AFO |
| Media Type Supported | Fiber | Fiber | Fiber | Fiber | Fiber |
| Memory | 512 MB | 4 GB | 4 GB | 4 GB | 512 MB |
| Number of Downlink Ports | 48 Ports | 24 Ports | 48 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 24–48 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 | 24 x 40GbE QSFP ports, 4 x 10GbE SFP+ ports | N/A | 24 QSFP+ ports for data center connectivity and 4 SFP ports for management | N/A |
| Power Consumption | 300W | 250 W | N/A | N/A | N/A |
| Power Source | DC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply / N/A |
| Product Name | Juniper Networks QFX5100-48S-DC-AFI Datacenter Switch | Juniper QFX5100-24Q-AA-AFI Switch | Juniper QFX5100-48S-DC-AFO | Juniper QFX5100-24Q-D-3AFI Data Center Switch | Juniper Networks QFX5100-24Q-D-3AFO Data Center Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | No | Yes | Yes |
| SFP Ports | 48 SFP Ports | 4 SFP Ports | 48 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 1280 Gbps | 1280 Gbps | 1280 Gbps | 1920 Gbps | 1280 Gbps |
| Switching Capacity with Stacking | N/A | N/A | 1280 Gbps | 3840 Gbps | 1280 Gbps |
| Uplink Configuration | 40G | 40G | 10G | 40G | 40G |
| Weight | 21 lbs | 15 lbs | 15 lbs | 15 lbs | N/A |
| Width | 17.17 inches | 19 inches | 17.5 inches | 17.5 inches | N/A |
Showing - of 0 Results
Questions & Answers
Q
What is the QFX5100-48S-DC-AFO switch?
A
The QFX5100-48S-DC-AFO is a Juniper high-performance Top-of-Rack switch featuring 48 SFP+/SFP ports, 6 QSFP ports, redundant fans, redundant DC power supplies, and built-in port-to-PSU airflow.
Q
How many SFP+ and QSFP ports does the QFX5100-48S-DC-AFO provide?
A
This model offers 48 SFP+/SFP ports for 1/10 GbE connectivity and 6 QSFP ports for 40 GbE uplinks or breakout support.
Q
What redundancy features are included in the QFX5100-48S-DC-AFO?
A
It includes hot-swappable redundant fans and dual load-sharing DC power supplies to ensure continuous operation and minimize downtime.
Q
How does the built-in port-to-PSU airflow design benefit the QFX5100-48S-DC-AFO?
A
The engineered airflow path optimizes cooling by directing intake air from the ports toward the power supplies, enhancing thermal efficiency and reliability.
Q
What operating system does the QFX5100-48S-DC-AFO run?
A
It runs Junos OS, offering a consistent CLI, automation capabilities, and extensive Layer 2/Layer 3 feature support for modern data centers.
Q
What is the switching capacity and latency of this switch?
A
The QFX5100-48S-DC-AFO delivers up to 1.44 Tbps of switching capacity and port-to-port latency as low as 600 ns for ultra-low-latency environments.
Q
Can the QFX5100-48S-DC-AFO be used in a Virtual Chassis deployment?
A
Yes. It supports Juniper Virtual Chassis technology, allowing up to 10 switches to operate as a single logical device for simplified management.
Q
Which transceiver modules are compatible with the QFX5100-48S-DC-AFO?
A
It is compatible with industry-standard SFP, SFP+, and QSFP+ optical and copper modules, including Juniper-branded and third-party IETF-compliant optics.
Q
What power input does the QFX5100-48S-DC-AFO require?
A
This model requires DC power inputs (–48 V) and supports dual, load-sharing power supplies for high availability.
Q
How is the QFX5100-48S-DC-AFO managed?
A
Management is via a dedicated management Ethernet port, out-of-band serial console, SSH, NETCONF, SNMP, and Junos automation scripts.
Q
Does the QFX5100-48S-DC-AFO support advanced data center features?
A
Yes. It supports VXLAN, EVPN, MPLS, BGP, MLAG, CoS, IGMP–Snooping, and advanced security features for scalable multi-tenant environments.
Q
What are the typical power consumption characteristics?
A
Power consumption varies by port usage but typically ranges from 150 W (idle) to 550 W (full load), optimized by the efficient DC power architecture.
Q
Is the QFX5100-48S-DC-AFO rack-mountable?
A
Yes. It ships with standard 1U rack-mount brackets and slides for 19-inch data center racks.
Q
What warranty and support options are available?
A
Juniper provides a one-year limited warranty with next-business-day hardware replacement; extended support and NBD advance hardware replacement are available.
Q
What deployment scenarios are ideal for the QFX5100-48S-DC-AFO?
A
It is ideal for Top-of-Rack aggregation in cloud, web-scale, HPC, and enterprise data centers requiring high density, low latency, and redundant DC power.
