Juniper QFX10002 — Used & Refurbished (Juniper)

Block 1:

How Much Does Juniper QFX10002 Cost in 2026?

Used Juniper QFX10002 switches in 2026 range from $800–$25,000, depending on condition and configuration. Used units (as-is, no testing) start at $800–$3,500. Refurbished models with replaced power supplies and fans cost $6,000–$12,000. Vendor-certified (tested, with warranty) units average $15,000–$25,000. Savings vs. new OEM list price ($50,000–$85,000) range from 60–75% for vendor-certified. Caveat: Units with original, aged power supplies may require $1,500–$3,000 in replacement parts, reducing savings.

Block 2:

Juniper QFX10002 Specifications and Compatible Systems

The QFX10002 is a 100Gbps top-of-rack switch with 24x 100G SFP28 ports, 2 RU height, and 1,400W power consumption. It supports Junos OS versions up to 22.4R1. Compatible systems include Juniper EX4600 series (2018–2022), MX204 routers (2019–2023), and NVIDIA Spectrum-4 (firmware 22.3.1+). Warning: Units with pre-2020 firmware may lack ECMP support for 400G uplinks. Verify SFP28 module compatibility (e.g., QSFP28-100G-SR4) and power supply type (AC or DC).

Block 3:

What to Check Before Buying a Used Juniper QFX10002 in 2026

1. Port functionality: Test all 24 SFP28 ports with a TIA optical tester; signal loss >0.5dB indicates degraded transceivers.
2. Power supply health: Measure output voltage with a multimeter; deviation >±3% from 12V/5V rails signals failing PSUs.
3. Fan tray RPM: Use show chassis environment in Junos; RPM <15,000 on any fan triggers overheating risks.
4. CRC errors: Run show interfaces diagnostics core-dump for >100 errors/day, indicating backplane wear.
5. Chassis corrosion: Inspect for condensation under trays, common in units stored >6 months in humid environments.

Block 4:

Frequently Asked Questions

**Q: Why is the QFX10002 used price sp