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24-port GbE PoE + 4-port GbE combo Managed Switch ZyXEL GS2220-28HP

– Support 24 x GbE PoE RJ-45 ports and 4 x GbE combo (RJ-45/SFP) ports.

– PoE power budget: 375W.

– Switching capacity: 56Gbps.

– Forwarding rate: 42Mpps.

– NebulaFlex Pro allows users to switch between standalone management and intuitive Nebula cloud managed mode with 1-Year Pro Pack bundled.

– Tailor-made Networked AV mode brings efficiency to professional AVoIP networking setups and monitoring services.

– High power budget of 375W within its compact case design simplifying rack installation.

– L2 multicast, IGMP snooping, MVR and voice VLAN for convergence.

– Smart fan offer near silent operations in both desktop and rack-mount environment.

Port Density
Total port count	28
100/1000 Mbps	24
Gigabit Combo (RJ-45/SFP)	4
PoE
802.3at PoE ports	24
Total PoE budget (watts)	375
Performance
Switching capacity (Gbps)	56
Forwarding rate (Mpps)	42
Packet buffer (byte)	1.5 M
MAC address table	16 K
Jumbo frame (byte)	9 K
Flash/RAM (MB)	32/256
Power
Input	100 – 240 VAC, 50/60 Hz
Max. power consumption (watt)	463.5
Physical Specifications
Dimensions (WxDxH)	441 x 270 x 44 mm
Weight	3.8kg
Included accessories	– Power cord – Wall-mount kit – Rack mounting kit
Green Features
Fanless	No
Environmental Specifications
Operating	Temperature: 0°C to 50°C/32°F to 122°F Humidity: 10% to 95% (non-condensing)
Storage	Temperature: -40°C to 70°C/-40°F to 158°F Humidity: 10% to 95% (non-condensing)
MTBF (hr)	693,245
Heat dissipation (BTU/hr)	1,580.535
Acoustic noise (min/max, dBA)	27.2/49.8