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QFX5100-48T-AFO
QFX5100, 48 100M/1G/10G Base-T, 6 QSFP ports, redundant fans...
Federal agencies and Fortune 500 operations source through ORM Systems.
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Enterprise Clients
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
QFX5100-48T-AFO is a high-performance, rack‐mount switch built on a modern architecture that supports both Layer 2 and Layer 3 operations. It features 48 fixed 10/100/1000BASE-T copper ports for dense access connectivity and incorporates two 10GbE SFP+ uplink ports to facilitate high-speed data transport, making it ideal for data center access and aggregation.
Engineered for scalability and reliability, the QFX5100-48T-AFO offers robust switching capacity with Virtual Chassis support, ensuring seamless stacking and high throughput even in demanding environments. Its flexible power options combined with a compact, 1 RU form factor suit a variety of use cases including enterprise campus networks, cloud environments, and high-performance computing, all managed under Juniper’s proven network operating system.
QFX5100-48T-AFO price is $15,029.00, a 56.4% saving from the Juniper list price of $34,500.00. QFX5100-48T-AFO is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QFX5100-48T-AFO for additional pricing. Browse the full Juniper Qfx5100 Series Switches series or explore all Juniper products.
In a global enterprise data center, the QFX5100-48T-AFO-QFX5100 (48×100M/1G/10G Base-T, 6 QSFP ports, redundant fans, redundant PSUs, built-in Port-to-PSU airflow) serves as leaf switches in a spine-leaf architecture. By delivering consistent sub-microsecond latency, deterministic east-west traffic, and seamless EVPN-VXLAN overlay, it accelerates VM migration, scales out containerized workloads, and ensures 99.999% uptime. Outcome: simplified network automation, reduced CAPEX/OPEX, and on-demand private cloud elasticity.
In a high-frequency trading (HFT) firm’s datacenter, deploying the QFX5100-48T-AFO-QFX5100 (48×100M/1G/10G Base-T, 6 QSFP ports, redundant fans, redundant PSUs, built-in Port-to-PSU airflow) at the core layer eliminates link jitter and packet loss. Hardware-based cut-through switching and Precision Time Protocol (PTP) deliver deterministically low latency under 500ns. Benefit: sub-millisecond market data propagation, accelerated order execution, and guaranteed trading uptime with redundant power and optimal thermal management.
For a research institution’s GPU-based AI/ML cluster, the QFX5100-48T-AFO-QFX5100 (48×100M/1G/10G Base-T, 6 QSFP ports, redundant fans, redundant PSUs, built-in Port-to-PSU airflow) provides converged storage and compute fabric. RDMA-over-Converged-Ethernet (RoCE) support and 40GbE/100GbE uplinks via QSFP enable multi-GPU synchronization with <1μs latency. Outcome: faster neural network training, linear scale-out performance, and uninterrupted research cycles through hot-swap power and fan modules.
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| QFX5100-48T-AFO |  QFX5100-48S-3AFI |  QFX5100-24Q-3AFO |  QFX5100-96S-DC-AFI |  QFX5100-48S-D-3AFI | |
|---|---|---|---|---|---|
| Depth | 17.5 inches | 18 inches | 17 inches | 18 inches | 17.5 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 | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.7 inches | 1.73 inches | 1.75 inches | 1.75 inches |
| IOS | IP Services | IP Services | IP Lite | 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 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | QFX5100-48T-AFO | QFX5100-48S-3AFI | QFX5100-24Q-3AFO | QFX5100-96S-DC-AFI | QFX5100-48S-D-3AFI |
| Media Type Supported | Twisted Pair | Fiber | Fiber | Fiber | Fiber |
| Memory | 4 GB | 4 GB | 4 GB | 512 MB | 4 GB |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | Over 48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Juniper QFX5100-48T-AFO | Juniper QFX5100-48S-3AFI | Juniper QFX5100-24Q-3AFO | Juniper QFX5100-96S-DC-AFI | Juniper Networks QFX5100-48S-D-3AFI |
| 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 |
| Switching Capacity | 720 Gbps | 1280 Gbps | 1440 Gbps | 1440 Gbps | 1280 Gbps |
| Uplink Configuration | 10G | 40G | 40G | 10G | 10G |
| Weight | 12 lbs | 15 lbs | 8 lbs | 25 lbs | 18 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 19 inches |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
10G Base-T ports provided flexibility for servers.
Front to back airflow fit rack layout.
Stable access switching.
Reliable for mixed environments.
No issues encountered.
The QFX5100-48T-AFO is a 1 RU fixed Ethernet switch featuring 48 100 M/1 G/10 G Base-T ports, 6 QSFP 40 GbE ports, redundant fans and power supplies, and port-to-PSU airflow for data center leaf-spine deployments.
It provides 48 RJ-45 ports that auto-negotiate 100 M, 1 G or 10 G and six QSFP ports supporting 40 GbE or 4×10 GbE breakout for uplinks.
The switch delivers up to 1.44 Tbps of throughput and 1.08 billion packets per second (bpps) of line-rate performance with zero packet loss.
Yes, it includes dual hot-swappable power supply bays for 1+1 redundancy to ensure uninterrupted operation.
Yes, it features a front-to-back hot-swappable fan tray with multiple fans for N+1 redundancy and optimal cooling.
Airflow is port-to-PSU, drawing cool air from the front and exhausting it through the rear to match standard data center thermal designs.
You can use six QSFP ports for native 40 GbE connections or as four 10 GbE channels each via breakout cables.
It is ideal for leaf-spine, top-of-rack (ToR) and campus aggregation architectures requiring high port density and low latency.
It runs Juniper’s modular Junos OS, offering a consistent CLI, scripting, automation and advanced protocol support.
It supports Junos CLI, XML/NETCONF, gRPC, Ansible, Puppet, Chef, Zero-Touch Provisioning (ZTP) and integration with Junos Space or Cloud-based management.
Yes, it supports Virtual Chassis Fabric, MLAG and EVPN-VXLAN for scalable multi-chassis aggregation and leaf-spine underlay/overlay designs.
Typical power usage is 255 W, maximum 408 W; operating temperature ranges from 0 °C to 40 °C and humidity from 5% to 90% non-condensing.
It offers ACLs, storm control, DHCP snooping, port security, MAC limiting, DoS protection and GRE/IPsec tunnels via Junos OS.
It interoperates with Juniper QFX and EX Series switches, QFabric, third-party leaf-spine fabrics and industry-standard routers and firewalls.
It comes with a limited lifetime hardware warranty and offers Juniper Care Service for 24×7 support, advance hardware replacement and software updates.
Order by referencing SKU QFX5100-48T-AFO; consult your authorized Juniper reseller or the Juniper Networks online store for pricing and availability.
United States
