QFX3100-NM-4GE-SFP - Juniper Switch Modules & Cards Overview
QFX3100-NM-4GE-SFP - Juniper Switch Modules & Cards is a genuine modular capacity expansion product from Juniper, a vendor known for scalable, high-performance networking platforms from the campus edge to the core. Belonging to the Juniper family, the QFX3100-NM-4GE-SFP 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 installed into a compatible chassis slot, where it works alongside the supervisor and line cards to extend the platform’s capabilities.
From a specification standpoint, it offers 4 ports for client, server or uplink connectivity. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Juniper hardware already running in the environment.
Typical deployments include short-reach data-center interconnects, campus backbone fiber links, and carrier access and metro networks. 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: “Network Interface Card with 4x1GE SFP for QFX3100 (spare)”. 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 QFX3100-NM-4GE-SFP. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Capacity Expansion
Add ports and performance to existing chassis.
Upgrade Path
Modernize aging platforms with compatible modules.
Flexible I/O
Mix copper, fiber and high-speed uplinks.
Buying a Pre-Owned QFX3100-NM-4GE-SFP
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.
QFX3100-NM-4GE-SFP Specifications | |
| Type | Network Interface Card (NIC) |
| Model | QFX3100-NM-4GE-SFP |
| Port Type | SFP |
| Number of Ports | 4 |
| Data Rate per Port | 1 Gigabit Ethernet (1GE) |
| Compatibility | QFX3100 |
| Market Segment | Enterprise, Service Provider |
| Form Factor | Modular (Spare) |
| Connector Type | SFP |
| Hot Swappable | Yes |
| Operating Temperature | 0°C to 45°C (32°F to 113°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Operating Humidity | 10% to 90% (non-condensing) |
| MTBF | 2,000,000 hours |
| Dimensions | Height: 1.22 inches (31 mm), Width: 3.5 inches (89 mm), Depth: 5.7 inches (145 mm) |
| Power Consumption | Maximum 12W |
| Regulatory Compliance | RoHS, CE |
| Safety Certifications | UL, CSA, IEC/EN |
| Warranty | 1 Year Limited |
| Software Compatibility | Juniper Junos |
| Product Series | QFX Series |
QFX3100-NM-4GE-SFP - Compatibility Notes
This QFX3100-NM-4GE-SFP transceiver/module variant is specified for the reach, wavelength, and form factor indicated in the specifications above. Confirm compatibility with your switch or router platform, including the required coding (Cisco, Juniper, Huawei, H3C) and supported data rate, before ordering.
When building out or refreshing links, match the transceiver variant to the optics budget and distance of each run. Our team can confirm compatibility with specific platforms and provide bulk pricing.
Each QFX3100-NM-4GE-SFP unit is tested for correct operation and performance before dispatch, ensuring reliable link establishment on arrival.







