Ethernet Switches Juniper EX4300 Series
Discover unparalleled performance and reliability with Juniper's EX4300 Series Ethernet Switches. Engineered for seamless network scalability and robust security, our advanced switch solutions empower your digital infrastructure.
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17 Matching results
- BEST SELLING

EX4300-48T-DC (EX4300, 48-Port 10/100/1000BaseT + 550W DC PS)
4.2 (5)- Switch
- DC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 30 W
- 24–48 Ports
- 48 Ports
Est Value$300.00
$253.00
15.7% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING

EX4300-24T (EX4300, 24-Port 10/100/1000BaseT + 350W AC PS)
4.8 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 87 W
- 12–24 Ports
- 24 Ports
Est Value$7,013.00
$1,761.00
74.9% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING

EX4300-48T-AFI (48PORT WEB MNG 10/100/1000 350W AC ENET STACKABLE BCK-FRONT AIRFLOW)
4.8 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 95W
- 24–48 Ports
- 48 Ports
Est Value$10,800.00
$2,753.00
74.5% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING

EX4300-48MP (EX4300 CLASS SWITCH WITH 24 X 1G 24 X 100M/1G/2 5G/5G/10G COPPER)
4.2 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 435 W
- 24–48 Ports
- 48 Ports
Est Value$14,590.00
$8,815.00
39.6% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-24P-TAA (EX4300 TAA, 24-Port 10/100/1000BaseT PoE-plus + 715W AC PS (provides 400W PoE+ power))
4.8 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- N/A
- 24–48 Ports
- 24 Ports
Est Value$285.00
$240.00
15.8% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-48P-TAA (EX4300 TAA, 48-Port 10/100/1000BaseT PoE-plus + 1100W AC PS (provides 800W PoE+ power))
4.6 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 370 W
- 24–48 Ports
- 48 Ports
Est Value$435.00
$368.00
15.4% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-48T-AFI-TAA (EX4300 TAA, 48-Port 10/100/1000BaseT + 350W AC PS (Airflow in))
4.8 (5)- Switch
- Redundant Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 370 W
- 24–48 Ports
- 48 Ports
Est Value$528.00
$447.00
15.3% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-48T-DC-TAA (EX4300 TAA, 48-Port 10/100/1000BaseT + 450W DC PS)
4.8 (5)- Switch
- N/A
- Layer 2 / Layer 3
- Rack-mount
- 250W
- 24–48 Ports
- 48 Ports
Est Value$814.00
$690.00
15.2% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-48T-DC-AFI (EX4300, 48-Port 10/100/1000BaseT + 450W DC PS (Airflow in))
5 (5)- Switch
- N/A
- Layer 2 / Layer 3
- Rack-mount
- 39 W
- 24–48 Ports
- 48 Ports
Est Value$908.00
$770.00
15.2% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-48T-DCI-TAA (EX4300 TAA, 48-Port 10/100/1000BaseT + 450W DC PS (Airflow in))
4.6 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 220 W
- 24–48 Ports
- 48 Ports
Est Value$908.00
$770.00
15.2% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-24T-TAA (EX4300 TAA, 24-Port 10/100/1000BaseT + 350W AC PS)
4.4 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 46 W
- 12–24 Ports
- 24 Ports
Est Value$988.00
$838.00
15.2% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-48T (EX4300, 48-Port 10/100/1000BaseT + 350W AC PS)
4.6 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 150W
- 24–48 Ports
- 48 Ports
Est Value$10,800.00
$1,714.00
84.1% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-24P (EX4300, 24-Port 10/100/1000BaseT PoE-plus + 715W AC PS)
4.2 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 150W
- 12–24 Ports
- 24 Ports
Est Value$8,630.00
$3,338.00
61.3% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-32F (EX4300, 32-Port 1000BaseX SFP, 4x10GBaseX SFP+ and 350W AC PS (Optics sold separately))
4.4 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 90W
- 24–48 Ports
- 32 Ports
Est Value$12,945.00
$3,469.00
73.2% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-48T-TAA (EX4300 TAA, 48-Port 10/100/1000BaseT + 350W AC PS)
4.6 (5)- Switch
- AC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- N/A
- 24–48 Ports
- 48 Ports
Est Value$4,720.00
$4,010.00
15% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-32F-DC (EX4300, 32-Port 1000BaseX SFP, 4x10GBaseX SFP+ and 550W DC PS (Optics sold separately))
4.6 (5)- Switch
- DC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 63W
- 24–48 Ports
- 32 Ports
Est Value$13,555.00
$8,188.00
39.6% offFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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EX4300-32F-DC-TAA (EX4300 32PORT 1000BASEX SFP 4X10GBASEX SFP+ 2X40GBASEX QSFP+)
4.6 (5)- Switch
- DC Power Supply
- Layer 2 / Layer 3
- Rack-mount
- 70 W
- N/A
- 32 Ports
Est ValueFirst-Time Buyer Discount – Get up to 2% additional off on your first order
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Questions & Answers
What is the Juniper EX4300 Series Ethernet Switch?
The Juniper EX4300 Series Ethernet Switch is a high-performance, top-of-rack and campus access switch family running Junos OS, offering advanced Layer 2/3 features and Virtual Chassis scalability.
What port density and speed options are available on EX4300 switches?
EX4300 switches provide 24 or 48 fixed 1 GbE ports with four integrated 10 GbE SFP+ uplinks and optional 40 GbE QSFP+ uplink modules for flexible bandwidth scaling.
How does Virtual Chassis technology enhance EX4300 deployments?
Virtual Chassis technology lets you interconnect up to 10 EX4300 units over dedicated ports or fiber links, creating a single logical switch for simplified management and seamless Layer 2/3 forwarding.
Which PoE and PoE+ capabilities does the EX4300 Series support?
The EX4300-P models deliver up to 30 W per port, supporting IEEE 802.3af/at PoE/PoE+ with a total power budget of 1440 W for IP phones, cameras, and wireless access points.