QFX5100-48S-D-3AFI - Juniper QFX5100 Series Switches Overview
QFX5100-48S-D-3AFI - Juniper QFX5100 Series Switches is a genuine data-center switching fabric product from Juniper, a vendor known for scalable, high-performance networking platforms from the campus edge to the core. Belonging to the Juniper QFX5100 Series family, the QFX5100-48S-D-3AFI unit is built to the original factory specification, so it integrates with existing Juniper deployments predictably and behaves exactly as the platform documentation describes. In the network, it is built for high-density data-center and cloud environments, where low latency, high availability and consistent forwarding matter most.
This unit follows the original factory specification for the Juniper QFX5100 Series family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Juniper equipment already deployed in the network.
Typical deployments include access-layer deployments for user, phone and AP connectivity, distribution and core aggregation in campus networks, and top-of-rack and end-of-row switching in data centers. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “QFX5100-48S AFI DC 3 MGMT PORTS”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the QFX5100-48S-D-3AFI. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned QFX5100-48S-D-3AFI
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
QFX5100-48S-D-3AFI Specifications | |
| Product Model | QFX5100-48S-D-3AFI |
| Type | Switch |
| Configuration | 48 SFP+/SFP ports |
| Management Ports | 3 |
| Power Supply Type | DC |
| Form Factor | 1U |
| Data Plane | AFI (Advanced Forwarding Interface) |
| Switching Capacity | 1.44 Tbps |
| Throughput | 1071 Mpps |
| Latency | Microseconds range |
| Operating System | Junos OS |
| Virtual Chassis Configuration | Supports up to 10 units |
| QoS Queues per Port | 8 |
| MAC Address Table Size | 288K |
| Packet Buffer | 9 MB |
| IPv4 Routes | 16,000 |
| IPv6 Routes | 8,000 |
| Multicast Groups | 4,000 |
| VLANs Supported | 4,096 |
| Operating Temperature Range | 0��C to 40��C |
| Humidity Range | 10% to 85% non-condensing |
| Certifications | FCC, CE, RoHS |
| Power Consumption | Typical: 290W, Maximum: 350W |
QFX5100-48S-D-3AFI - Deployment Notes
This QFX5100-48S-D-3AFI switch is suited to wiring-closet, distribution, or core roles depending on the port density and uplink options of the specific model. The port configuration is a key consideration when planning power budgets for attached devices such as IP phones and access points.
For a refresh or expansion, confirm the IOS/NX-OS software release supported by this specific SKU, the fan and power requirements, and the uplink modules that match your existing infrastructure. Our team can verify revision levels and software compatibility before you order.
Every unit at LinkNewNet is inspected and tested before dispatch, and this QFX5100-48S-D-3AFI variant is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Volume requirements can be staged with configuration checks.
