| Fans | | |
| EX4400-FAN | Includes: Spare fan with front-to-back airflow |
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| EX4400-FAN-AFI | Includes: Spare fan with back-to-front airflow |
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| Extension modules | | |
| EX4400-EM-4S | Includes: EX4400 4-port 1GbE/10GbE SFP+ Extension Module |
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| EX4400-EM-4Y | Includes: EX4400 4-port 1/10/25GbE SFP28 Extension module |
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| EX4400-EM-1C | Includes: EX4400 1-port 100GbE QSFP28 Extension Module |
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| Power supplies | | |
| JPSU-550-C-AC-AFO | Includes: EX4400 550 W AC power supply (power cord ordered separately) (front-to-back airflow) |
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| JPSU-550-C-AC-AFI | Includes: EX4400 550 W AC power supply (power cord ordered separately) (back-to-front airflow) |
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| JPSU-550-C-DC-AFO | Includes: EX4400 550 W DC power supply (power cord ordered separately) (front-to-back airflow) |
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| JPSU-550-C-DC-AFI | Includes: EX4400 550 W DC power supply (power cord ordered separately) (back-to-front airflow) |
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| JPSU-1050-C-AC-AFO | Includes: EX4400 1050 W AC power supply (power cord ordered separately) (front-to-back airflow) |
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| JPSU-1600-C-AC-AFO | Includes: EX4400 1600 W AC power supply (power cord ordered separately) (front-to-back airflow) |
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| JPSU-2000-C-AC-AFO | Includes: EX4400-48MXP and EX4400-48XP: 2000 W AC power supply (power cord ordered separately) (front-to-back airflow) |
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| JPSU-2000-C-DC-AFO | Includes: EX4400-48MXP-S, EX4400-48XP-S, EX4400-48MP-S, EX4400-48P-S, EX4400-24MP-S, EX4400-24P-S: 2000 W DC power supply (power cord ordered separately) (front-to-back airflow) |
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| Perpetual licenses | | |
| S-EX-A-C2-P | Includes: Software, EX Series Advanced license, Class 2 (24 ports), Perpetual license for EX4400 24-port switches |
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| S-EX-P-C2-P | Includes: Software, EX Series Premium license, Class 2 (24 ports), Perpetual license for EX4400 24-port switches |
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| S-EX-A-C3-P | Includes: Software, EX Series Advanced license, Class 3 (32 or 48 ports), Perpetual license for EX4400 48-port switches |
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| S-EX-P-C3-P | Includes: Software, EX Series Premium license, Class 3 (32 or 48 ports), Perpetual license for EX4400 48-port switches |
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| S-EX-MACSEC-C2-P | Includes: Software, EX Series MACsec license, Class 2 (24 ports), Perpetual license for EX4400 24-port switches |
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| S-EX-MACSEC-C3-P | Includes: Software, EX Series MACsec license, Class 3 (48 ports), Perpetual license for EX4400 48-port switches |
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| S-EX-FBT-P | Includes: Software, EX Series Flow Based Telemetry license, Perpetual license for all EX4400 switches |
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| Subscription licenses (1, 3, and 5-years available) | | |
| S-EX-A-C2-1 | Includes: Software, EX Series Advanced license, Class 2 (24 ports), includes Juniper Mist Wired Assurance and VNA subscription for EX Series 24-port switches, 1 year |
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| S-EX-A-C3-1 | Includes: Software, EX Series Advanced license, Class 3 (48 ports), includes Juniper Mist Wired Assurance and VNA subscription for EX Series 48-port switches, 1 year |
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| S-EX-A-C2-1-COR | Includes: Software, EX Series Advanced license, Class 2 (24 ports), includes Juniper Mist Wired Assurance and VNA subscription for EX Series 24-port switches with SVC CORE support, 1 year |
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| S-EX-A-C3-1-COR | Includes: Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Juniper Mist Wired Assurance and VNA subscription for EX Series 48-port switches with SVC CORE support, 1 year |
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| S-EX-P-C2-1-ND | Includes: Software, EX Series Premium license, Class 2 (24 ports), includes Juniper Mist Wired Assurance and VNA subscription for EX Series 24-port switches with SVC NEXT DAY support, 1 year |
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| S-EX-A-C3-1-ND | Includes: Software, EX Series Advanced license, Class 3 (32 or 48 ports), includes Juniper Mist Wired Assurance and VNA subscription for EX Series 48-port switches with SVC NEXT DAY support, 1 year |
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