Juniper Networking Upgrade Guide
Maximize the performance and lifespan of your Juniper Networking. Every upgrade option below is verified compatible.
Verified Specifications
| Networking Options | Portfolio: EX series campus switches (EX4000, EX4100-MG multigigabit, EX4400), QFX data-center switches (QFX5100 10/25/40/100GbE, QFX10000 modular), MX routers, PTX packet-transport, SRX firewalls, Mist AI-Native Networking Platform (cloud AIOps) |
| Specification Source | Juniper official documentation (verified 2026-07-02) |
Frequently Asked Questions
Upgrade Networking
Stepping up from 1GbE to 10GbE or 25GbE eliminates network bottlenecks for VM migration, iSCSI storage traffic, and backup windows. Most modern workloads benefit from at least 10GbE.

EX-QSFP-40GE-DAC-50CM Juniper QSFP+ 40GBE DAC Cable 50CM

EX-SFP-10GE-DAC-5M Juniper 10GBE SFP+ DAC Twinax Cable 5M

EX-SFP-10GE-DAC-7M Juniper 10GBE SFP+ DAC Twinax Cable 7M

EX-SFP-10GE-ER Juniper 10GBASE-ER SFP+ 1550NM 40KM Smf

EX-SFP-10GE-ER40 Juniper 10GBASE-ER SFP+ 40KM Extended Reach

EX-SFP-10GE-LR Juniper 10GBASE-LR SFP+ Transceiver 1310NM
Upgrade Cable
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.

EX-SFP-10GE-DAC-1M Juniper 10G SFP+ Direct Attach Copper Cable 1M

EX-SFP-10GE-DAC-3M Juniper 10G SFP+ Direct Attach Copper Cable 3M

QFX-QSFP-DAC-1M Juniper 40G QSFP+ Passive Direct Attach Copper Cable 1M

QFX-QSFP-DAC-3M Juniper 40G QSFP+ Passive Direct Attach Copper Cable 3M

QFX-QSFP28-DAC-1M Juniper 100G QSFP28 Passive Direct Attach Copper Cable 1M

QFX-QSFP28-DAC-3M Juniper 100G QSFP28 Passive Direct Attach Copper Cable 3M
Upgrade Power & Cooling
This category provides verified compatible upgrade paths. ICD engineers validate every part for compatibility with your specific server model and workload requirements.

EX3400-FAN-AFI Juniper EX3400 Spare Fan BACK-TO-FRONT Airflow

EX3400-FAN-AFO Juniper EX3400 Spare Fan FRONT-TO-BACK Airflow

EX4300-FAN-AFI Juniper EX4300 Fan Tray BACK-TO-FRONT Airflow

EX4300-FAN-AFO Juniper EX4300 Fan Tray FRONT-TO-BACK Airflow

EX4400-FAN Juniper EX4400 Spare Fan FRONT-TO-BACK Airflow

EX4400-FAN-AFI Juniper EX4400 Spare Fan BACK-TO-FRONT Airflow
Upgrade Power Supplies
Higher-wattage PSUs provide headroom for future upgrades — more RAM DIMMs, GPUs, or additional drives. Redundant hot-swap PSUs also protect against single-point power failures.

JNP-PWR2200-AC Juniper MX304 2200W AC Power Supply

JNP-PWR2200-DC Juniper MX304 2200W DC Power Supply

JPSU-1050-C-AC-AFO Juniper 1050W AC C-series Power Supply FRONT-TO-BACK

JPSU-1100-AC-AFO Juniper 1100W AC Power Supply FRONT-TO-BACK

JPSU-1100W-AC-AFI Juniper 1100W AC Power Supply BACK-TO-FRONT Airflow

JPSU-1100W-AC-AFO Juniper 1100W AC Power Supply FRONT-TO-BACK Airflow
More Juniper Networking Resources
Ready to upgrade your Juniper Networking?
Tell us your current configuration and workload. Our engineers will recommend the most impactful upgrades with guaranteed compatibility.
Get Upgrade Quote