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Home Electronics Adapters & Cables StarTech USB31000S USB 3.0 to Gigabit Ethernet Adapter

StarTech USB31000S USB 3.0 to Gigabit Ethernet Adapter

Brand:
StarTech.com

The StarTech.com USB31000S is a USB 3.0 Gigabit Ethernet adapter that adds a wired RJ45 network interface to compatible laptops, desktops and 2-in-1 computers. It supports 10/100/1000Mbps Ethernet and uses the 5Gbps USB 3.0 interface to provide full Gigabit bandwidth. Advanced networking capabilities include VLAN tagging, Wake-on-LAN, 4K jumbo frames, Energy Efficient Ethernet and Auto-MDIX. Its compact attached-cable design is suited to IT deployment, mobile workstations, network troubleshooting and replacement of failed onboard Ethernet ports.

OVERVIEW

  • The USB31000S is an external USB 3.0 Gigabit Ethernet adapter for adding wired network access to compatible computers without an internal expansion slot. Its 10/100/1000Mbps RJ45 interface, VLAN, Wake-on-LAN and 4K jumbo-frame support make it suitable for enterprise connectivity and IT service deployments. Compatibility: USB 3.0/2.0 host with supported operating system. Compare: USB31000S uses an attached 5.3in cable; USB31000S2 is the newer model with a longer 11.8in cable and Realtek chipset.

USE CASES

  • Laptop wired-network deployment: Adds Gigabit Ethernet to systems without a built-in RJ45 port, giving IT teams a practical alternative to Wi-Fi for wired connectivity.
  • Failed NIC replacement: Provides an external Ethernet interface when an onboard network port fails, avoiding the need to open the computer or replace the system.
  • Corporate workstation connectivity: Connects compatible desktops and laptops to existing 10/100/1000Mbps Ethernet infrastructure through USB 3.0.
  • IT troubleshooting and diagnostics: Gives support technicians a portable network interface for testing wired connectivity across different systems.
  • Network administration: VLAN tagging and Wake-on-LAN support provide useful capabilities for managed-network and remote-administration workflows.
  • Mobile workforce deployment: Provides wired LAN connectivity for laptops used at desks, offices, server rooms and network service locations.
  • Legacy system modernization: Adds Gigabit Ethernet to compatible USB-equipped systems, helping extend the service life of existing computers.
  • Secure wired access: Provides a physical Ethernet connection where organizations prefer controlled wired network access instead of wireless connectivity.
  • Temporary network provisioning: Allows IT teams to quickly establish Ethernet connectivity on compatible systems during staging, imaging or maintenance.
  • Small-business network upgrades: Provides a low-complexity method of adding Gigabit networking without installing an internal PCIe network card.

KEY FEATURES

  • USB 3.0 Gigabit Ethernet: Provides up to 1Gbps Ethernet connectivity through a USB 3.0 host, giving compatible computers access to high-speed wired networking without an internal NIC.
  • 10/100/1000Mbps auto-negotiation: Supports three common Ethernet speeds, allowing integration with mixed-speed network infrastructure.
  • RJ45 Ethernet interface: Uses a standard copper Ethernet connector, enabling connection to existing Ethernet cabling and network switches.
  • USB 3.0 5Gbps host interface: Provides sufficient USB bus bandwidth for full Gigabit Ethernet performance when used with a compatible USB 3.0 host.
  • ASIX AX88179A chipset: Provides the network controller architecture for the adapter and supports native compatibility with supported laptop, desktop and 2-in-1 systems. 
  • USB bus powered: Eliminates the need for a separate external power adapter, simplifying deployment and reducing equipment count.
  • 4K jumbo frame support: Supports larger Ethernet frames up to 4K in compatible environments, helping reduce protocol overhead for suitable workloads.
  • IEEE 802.1Q VLAN tagging: Supports VLAN-based network segmentation for compatible managed-network deployments.
  • Wake-on-LAN: Enables supported systems to be awakened remotely over the network, assisting centralized IT administration.
  • Energy Efficient Ethernet: Supports energy-conscious Ethernet operation where compatible network equipment and drivers enable the feature.

TECHNICAL SPECIFICATIONS

  • Brand: StarTech.com
  • Model / SKU: USB31000S
  • Product Type: USB 3.0 to Gigabit Ethernet network adapter
  • Form Factor: Attached cable
  • Host Interface: USB 3.2 Gen 1 / USB 3.0
  • USB Data Rate: 5Gbps
  • Host Connector: USB-A
  • Network Interface: RJ45 Gigabit Ethernet
  • Number of Network Ports: 1
  • Ethernet Speed: 10/100/1000Mbps
  • Maximum Ethernet Data Rate: 1Gbps
  • Maximum Network Distance: 100m / 328ft
  • Chipset ASIX: AX88179A
  • Auto-MDIX: Yes
  • Full Duplex: Yes
  • Jumbo Frames: Up to 4K
  • Wake-on-LAN: Yes
  • VLAN Tagging: IEEE 802.1Q
  • Energy Efficient Ethernet: Yes
  • USB Bus Powered: Yes
  • Power Input: 5V DC via USB
  • Cable Length: 135mm / 5.3in
  • Color: Black
  • Material: Plastic
  • Product Length: 215mm / 8.5in
  • Product Width: 26mm / 1.0in
  • Product Height: 15.5mm / 0.6in
  • Product Weight: 28g / 1.0oz
  • Operating Temperature: 0°C to 40°C
  • Storage Temperature: -20°C to 60°C
  • Operating Humidity: <80% RH
  • Compatibility: USB 3.0/2.0/1.x host; 10/100/1000Mbps Ethernet

Why Choose This Product?

  • Adds Gigabit Ethernet without opening the computer: Provides an external alternative to an internal PCIe network card, reducing installation effort for compatible systems.
  • Full Gigabit capability over USB 3.0: Uses a 5Gbps USB interface to support up to 1Gbps Ethernet on compatible hardware.
  • Useful enterprise networking features: VLAN tagging, Wake-on-LAN, jumbo frames and Energy Efficient Ethernet support extend its value beyond basic USB-to-LAN connectivity.
  • Portable IT deployment: Its compact attached-cable form makes it practical for technicians, mobile workstations and temporary network provisioning.
  • Supports mixed Ethernet environments: 10/100/1000Mbps compatibility allows deployment across networks operating at different speeds.
  • No separate power adapter: USB bus power simplifies logistics, cabling and field deployment.
  • Lower infrastructure replacement cost: Helps organizations retain laptops and desktops that lack functional or built-in Gigabit Ethernet.
  • Procurement-ready design: TAA compliance, 2-year warranty and documented enterprise networking features support standardized IT purchasing. 

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