Spec Sheet
8
Data SheetEX4300 Ethernet Switch
EX4300 Specifications
Physical Specifications
Backplane
• 320 Gbps Virtual Chassis interconnect to combine up to 10
units as a single logical device
Uplink Module Options
• EX4300-32F/EX4300-32F-DC: 8-port dual-mode
10GbE/1GbE module with pluggable SFP+/SFP optics
• EX4300-32F/EX4300-32F-DC: 2-port dual-mode 40GbE
module with pluggable QSFP+ optics
• Others: 4-port dual-mode 10GbE/1GbE module with
pluggable SFP+/SFP optics
Power Options
• Power supplies: Autosensing; 100-120 V/200-240 V; AC 350
W AFO, 350 W AFI, 715 W AFO, and 1,100 W AFO dual load-
sharing hot-swappable internal redundant power supplies
• Maximum current inrush: 50 amps
• DC power supply: 550 W DC AFO and 550 W DC AFI; input
voltage range 43.5-60 V max (+/- 0.5 V); dual input feed,
dual load-sharing hot-swappable internal redundant power
supplies
• Minimum number of PSUs required for fully loaded chassis:
1 per switch
Dimensions (W x H x D)
• 17.41 x 1.72 x 16.43 in (44.21 x 4.32 x 41.73 cm)
• Desktop installation width noted above, rack-mount width is
17.5 in (44.5 cm)
• Height: 1 rack unit (1 U)
System Weight
• EX4300 switch (no power supply or fan module): 13 lb (5.9
kg)
• EX4300 switch (with single power supply and two fan
modules): 16.1 lb (7.3 kg)
• 350 W AC power supply: 2.4 lb (1.1 kg)
• 715 W AC power supply: 2.4 lb (1.1 kg)
• 1100 W AC power supply: 2.4 lb (1.1 kg)
• 550 W DC power supply: 2.4 lb (1.1 kg)
• SFP+ uplink module: 0.44 lb (0.2 kg)
• Fan module: 0.33 lb (0.15 kg)
Environmental Ranges
• Operating temperature: 32° to 113° F (0° to 45° C)
• Storage temperature: -40° to 158° F (-40° to 70° C)
• Operating altitude: up to 10,000 (3,049 m)
• Non-operating altitude: up to 16,000 (4,877 m)
• Relative humidity operating: 10% to 85% (noncondensing)
• Relative humidity non-operating: 0% to 95%
(noncondensing)
Cooling
• Field-replaceable fans: 2
• Airflow: PSU-7.5 CFM, fan-22 CFM
• Total maximum airflow throughput with two power supplies:
59 CFM
Hardware Specifications
Switching Engine Model
• Store and forward
Memory
• DRAM: 4 GB with Error Correcting Code (ECC) on EX4300-
32F and EX4300-32F-DC; 2 GB with ECC on all other
EX4300 switches
• Flash: 4 GB on EX4300-32F and EX4300-32F-DC; 2 GB on
all other EX4300 switches
CPU
• 1.5 GHz Dual-Core PowerPC CPU
GbE Port Density per System
• 24P/24T: 32 (24 host ports + four 40GbE ports + optional
four-port 1/10GbE uplink module)
EX4300-48TEX4300-48P
EX4300-24P EX4300-24T
EX4300-32F