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Black Box USB-Powered Gigabit 4-Port Switch

Black Box LGB304A

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Model LGB304A

UPC Code: 822088074694

Provantage Code:  BABXFQ0

Condition:  Factory New

  • Product Type: Ethernet Switch
  • Layer Supported: 2
  • Total Number of Network Ports: 4
  • Ethernet Technology: Gigabit Ethernet
  • Country of Origin: Taiwan
  • TAA Compliant: Yes

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NetworkingRouting and Switching DevicesSwitches and Bridges


Black Box LGB304A Specifications

    USB-Powered Gigabit 4-Port Switch

At a Glance

    • Build a small network or add ports to an existing network.
    • Can also be powered through a PC's USB port so there's no need to find a spare outlet
    • Four autosensing 10-/100-/1000-Mbps ports
    • Autonegotiating half-/full-duplex
    • Auto-MDI/MDI-X function on all ports, so no need for cross-pinned cables
    • Non-blocking, store-and-forward switching method
    • Easy-to-see LED indicators.
    • Easy plug-and-play operation.


    The Black Box LGB304A is a compact gigabit Ethernet switch with four 10/100/1000 Mbps RJ45 ports. Typical applications include LAN connectivity for small workgroups. The switch is ideal for mobile teams such as auditors that require a small, portable switch to expand port counts. The switch can be powered from a USB port or from the included power adapter. The switch delivers line rate, non blocking throughput. Ports are autonegotiating half/full duplex and include LED indicators to view port status. This unmanaged switch is plug and play and does not require any configuration.

Package Contents


Product NameUSB-Powered Gigabit 4-Port Switch
Product TypeEthernet Switch
Ethernet TechnologyGigabit Ethernet
Product FamilyLGB300
Media Type SupportedTwisted Pair
Total Number of Network Ports4
TAA CompliantYes
Power Consumption3.30 W
Power SourceAC Adapter
Layer Supported2
Environmentally FriendlyYes
Port / Expansion Slot Details4 x Gigabit Ethernet Network
Country of OriginTaiwan
Product SeriesLGB300
Product ModelLGB304A
Network Technology10/100/1000Base-T
Limited Warranty1 Year
Supplies/Accessories for Black Box LGB304A

Tripp Lite 1000ft Cat6 Gigabit Bulk Solid-Core PVC Cable Blue

Mfg Part# N222-01K-BL

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Black Box Model LGB304A