QFX3100-HDD-2TB - Juniper Switch Modules & Cards Overview
QFX3100-HDD-2TB - 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-HDD-2TB 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.
This unit follows the original factory specification for the Juniper 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: “2TB Hard Drive 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-HDD-2TB. 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-HDD-2TB
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-HDD-2TB Specifications | |
| Brand | Juniper |
| Model | QFX3100-HDD-2TB |
| Type | Hard Drive |
| Capacity | 2TB |
| Compatibility | QFX3100 Series |
| Interface | SATA |
| Form Factor | 3.5 inch |
| Cache Size | 64MB |
| Spindle Speed | 7200 RPM |
| Average Latency | 4.16 ms |
| Data Transfer Rate | 6 Gbps |
| MTBF | 1,500,000 hours |
| Operating Temperature | 0 to 60��C |
| Non-Operating Temperature | -40 to 70��C |
| Shock Resistance (Operating) | 70G, 2ms |
| Shock Resistance (Non-Operating) | 300G, 2ms |
| Vibration (Operating) | 0.5G, 0-300 Hz |
| Vibration (Non-Operating) | 3.0G, 0-300 Hz |
| Power Consumption (Read/Write) | 6.5W |
| Power Consumption (Idle) | 4.0W |
QFX3100-HDD-2TB - Deployment Notes
This QFX3100-HDD-2TB 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 QFX3100-HDD-2TB 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.
QFX3100-HDD-2TB - Juniper Series Notes
This listing is part of the Juniper enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Juniper switch runs Junos OS and is typically deployed in campus access, aggregation, or data-center roles. It provides reliable Layer 2/3 switching for user, server and uplink connectivity, and integrates with Juniper Mist or CLI-based management.
Deployment guidance: When planning this QFX3100-HDD-2TB unit into a network, confirm the Junos OS version required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Juniper reconditioning process: Every pre-owned Juniper unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Juniper management tools.
Related models in this family: EX8200-8XS, EX8208-SRE320, EX8208, EX4500-40F-VC1-BF, EX4200-48T. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.







