We buy, sell and refurbish some of the world’s most important networking equipment.

Buy Used Juniper Switches (EX, QFX & MX)

BrightStar Systems supplies fully tested, used and refurbished Juniper switches so you can grow or refresh your network at a fraction of new hardware cost. We specialize in Juniper EX access switches, QFX data center switches, and MX-series routers, with inventory tailored for data center, campus, and service provider environments.

If you need reliable Juniper hardware without long lead times or premium pricing, our engineering team can help you source the right models, optics, and power options and ship them quickly, backed by our 1-Year In-House Warranty. You can request a quote online anytime or call us at 916-248-4688.

Used Juniper Switch and Router Families We Supply

We focus on the Juniper platforms that power modern enterprise and data center networks. Whether you are standardizing on EX at the access layer or QFX in a leaf–spine fabric, BrightStar Systems can help you source consistent, interoperable hardware.

Because we buy and sell used Juniper hardware every day, our inventory changes frequently. The fastest way to check availability and pricing is to request a Juniper quote or call 916-248-4688 to talk with a member of our team.

Why Buy Used Juniper Hardware from BrightStar Systems?

BrightStar Systems isn’t a generic hardware broker — we’re a specialized partner focused on pre-owned Juniper and Arista products, and we operate like an extension of your own engineering and procurement team.

  • A professional team that feels like part of your company: You work directly with seasoned experts who understand Juniper EX, QFX, and MX hardware inside and out — not entry-level sales reps reading from spec sheets.
  • No more vendor headaches, surprises, or delays: We provide accurate availability, consistent pricing, and predictable lead times. Everything ships tested, documented, and ready to deploy so your projects stay on schedule.
  • Real savings that boost your bottom line: Most customers save 40–80% compared to new hardware costs, enabling upgrades, expansions, or lab builds that wouldn’t otherwise fit the budget.
  • Be the hero who saves your company time, money, and stress: Whether you’re replacing EX4300 access switches, upgrading to QFX leaf–spine fabrics, or expanding with MX edge routers, our process is designed to make your project easier, faster, and more cost-effective.
  • Work with true experts who have 15+ years of hands-on industry experience: Our team includes engineers and hardware specialists who have spent more than a decade designing, deploying, and supporting Juniper-based networks.
  • Partner with a dedicated, U.S.-based rep who stays with you long term: You get a single point of contact for all quotes, questions, and orders — someone who understands your environment and supports you through multiple refresh cycles.
  • Receive every product fully tested and certified before it ships: All EX, QFX, and MX units undergo thorough port testing, optics verification, fan and PSU checks, software resets, and visual inspection in our in-house lab.

How Our Used Juniper Procurement Process Works

We keep the buying process straightforward so you can move quickly from planning to deployment.

  1. Share your requirements: Send us a bill of materials, list of models, or high-level design (for example, EX access with QFX data center switches and MX at the edge).
  2. Receive a quote: Our team checks current inventory and market pricing to provide a competitive quote, usually within one business day.
  3. Confirm configuration: We validate optics, power supplies, airflow direction, and any accessories so your Juniper hardware arrives ready to install.
  4. Testing and staging: Hardware is tested in our lab and reset to factory defaults. We can also pre-load specific Junos versions on request.
  5. Shipment: We pack and ship your order with appropriate protection and documentation, including serial numbers and test notes.

For larger projects such as data center refreshes or multi-site campus upgrades, we can coordinate shipments around your maintenance windows and staging timelines.

How We Test Used & Refurbished Juniper Switches

Reliability is just as important as cost savings when you are buying used Juniper gear. Every EX, QFX, and MX platform we sell is tested and inspected in-house before it is shipped.

  • Power-on and POST checks: We verify that each chassis and power supply boots cleanly and passes basic diagnostics.
  • Port and interface testing: EX and QFX switch ports are tested with known-good optics or copper connections; MX interfaces are verified on installed line cards and MICs.
  • Optics and cable validation: When we bundle optics or DACs, we confirm link negotiation and expected behavior at target speeds.
  • Fan and airflow verification: We confirm that fan trays run properly and that airflow direction (front-to-back or back-to-front) matches the ordered SKU.
  • Software and configuration reset: Devices are reset to factory defaults, user data is removed.
  • Visual inspection and cleaning: Chassis, interfaces, and labels are checked and cleaned so hardware arrives ready for your rack.

This testing process is designed to reduce surprises during installation and help used Juniper switches behave predictably when you put them into production.

Used Juniper Switches for Common Deployment Scenarios

Because we carry multiple Juniper families, we can map hardware to your network architecture instead of just selling whichever models happen to be on the shelf.

  • Campus access and wiring closets: EX2300, EX3400, and EX4300 platforms for 1GbE access, PoE, and Virtual Chassis designs.
  • Distribution and aggregation: Higher-performance EX and QFX models such as EX4650 or QFX5120 for aggregating access layers and data center racks.
  • Leaf–spine data center fabrics: QFX5100, QFX5120, and QFX5200 platforms for EVPN-VXLAN leaf and spine roles with 10/25/40/100GbE connectivity.
  • WAN edge and aggregation routing: MX104, MX240, MX480, and MX960 routers for carrier and large enterprise deployments.
  • Lab and staging environments: Cost-effective EX and QFX units for testing new designs, Junos features, or automation before rolling out to production.

If your design includes other vendors such as Arista or Cisco, we can also supply Arista 7050X or Arista 7060X switches alongside Juniper, helping you standardize across multiple platforms without sacrificing budget.

Used Juniper Hardware and Data Center Decommissioning

If you are decommissioning a data center or consolidating sites, you may need to both sell used Juniper equipment and purchase different models for new locations. BrightStar Systems can support both sides of that project.

  • Buyback programs for surplus EX, QFX, and MX hardware.
  • Support for larger decommissioning efforts alongside our data center decommissioning services and planning guides.
  • Replacement hardware for new data centers, labs, or campus environments using used and refurbished Juniper platforms.

We can work from inventory lists, RFPs, or design documents to help you plan both the equipment you are selling and the used Juniper hardware you need to purchase.

FAQ – Buying Used Juniper Switches

Q: What types of used Juniper switches do you typically stock?
A: Inventory changes over time, but we frequently carry EX access switches (EX2300, EX3400, EX4300, EX4400, EX4650), QFX data center switches (QFX5100, QFX5120, QFX5200), and MX-series routers such as MX104, MX240, MX480, and MX960. We also stock Juniper optics, cables, and select line cards and power supplies.

Q: Are your used Juniper switches refurbished and tested?
A: Yes. All Juniper hardware we sell is tested in-house, cleaned, and reset to factory defaults. We verify power, ports, fans, optics, and basic forwarding behavior, and we back our hardware with a 1-Year In-House Warranty.

Q: Can you help me choose between different EX or QFX models?
A: Yes. If you are deciding between platforms like EX3400 and EX4300 for campus access or QFX5100 and QFX5120 for data center leaf roles, our team can walk through port counts, uplink options, optics compatibility, and future scalability based on your design.

Q: Do you sell used Juniper hardware outside the United States?
A: We regularly ship used Juniper switches and routers to customers in North America and internationally. When you request a quote, please include your shipping location so we can confirm logistics and lead times.

Q: How quickly can you ship used Juniper switches?
A: Many commonly requested EX and QFX models are available for prompt shipment once an order is confirmed. Lead times depend on configuration and test requirements, but we aim to turn most orders around quickly to meet project timelines.

Q: Can you provide Junos version information or pre-load specific images?
A: If you have specific Junos requirements, let us know when requesting a quote. We can provide details on currently installed versions and may be able to pre-load particular releases or leave the device ready for your image installation process.

Q: Do you also buy used Juniper hardware?
A: Yes. In addition to selling used Juniper switches, we purchase surplus EX, QFX, and MX equipment. If you are decommissioning or upgrading, you can contact us with an inventory list to receive a buyback quote.

Q: Can you help with both Juniper and Arista in the same project?
A: Many customers run mixed Juniper and Arista environments. We can help you source used Juniper EX/QFX and used Arista 7000-series switches in the same project so you can standardize around cost-effective, lab-tested hardware.

Request Pricing on Used Juniper Switches

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