Discontinued

USB 2.0 to Gigabit Ethernet NIC Network Adapter

Add Gigabit Ethernet to any USB 2.0 compatible PC or Laptop computer

Product ID: USB21000S2

3.3 stars (3 reviews) |
  • USB to RJ45 adapter supports Gigabit networking over USB 2.0 with up to 480 Mbps of bandwidth
  • IEEE 802.3, 802.3u and 802.3ab (10BASE-T, 100BASE-TX, and 1000BASE-T) compatible
  • Powered directly from the USB ports

The USB21000S2 USB 2.0 to Gigabit Ethernet Adapter offers a reliable USB Ethernet connection, adding a single RJ45 Ethernet port to a USB-enabled computer system, with support for connecting to Gigabit networks.

Backward compatible with older USB 1.x computer systems, this compact and portable USB Gigabit network adapter offers an ideal desktop replacement network adapter or laptop accessory. With support for features such as Jumbo Frames and VLAN tagging, the adapter is suitable for home and business users alike.

The USB21000S2 USB Gigabit network adapter is backed by a StarTech.com 2-year warranty and free lifetime technical support.

Applications

  • Add gigabit Ethernet capabilities to a desktop or laptop without opening the computer or taking up an available expansion slot
  • Replace a failed integrated network adapter with an external, USB Ethernet connection, instead of having to open a desktop or laptop computer case
  • Connects your laptop PC to a Gigabit network or backbone - perfect for small or home offices, departmental network applications and network gaming

The StarTech.com Advantage

  • Compatible with Gigabit Ethernet networks and powered via USB for versatility and portability as an add-on or replacement
  • The Gigabit USB adapter helps conserve system resources, using built-in NDIS6 Checksum and Large Send Offload support and Jumbo Frames
  • The USB Gigabit Ethernet adapter is backed by a StarTech.com 2-year warranty and free lifetime technical support, ensuring reliability

Partner Numbers

  • UPC 065030847445

Compatibility

  • Windows 7 logo
  • Windows 8 logo
  • Mac OS X Mavericks (10.9) logo
  • Linux logo
  • Windows Server 2012 logo
  • Windows 10 logo
Windows® XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2
Mac OS X® 10.6 to 10.9
Linux 2.6.x to 4.4.x LTS Versions only

Specifications

Warranty Information Warranty 2 Years
Connector(s) 1 - Connector Type(s) RJ-45
USB Type-A (4 pin) USB 2.0
Environmental Operating Temperature 0°C to 70°C (32°F to 158°F)
Storage Temperature -20°C to 75°C (-4°F to 168°F)
Humidity 5% ~ 95% RH
Hardware Ports 1
Interface RJ45 (Gigabit Ethernet)
Bus Type USB 2.0
Industry Standards IEEE 802.3/ 802.3u/ 802.3ab
Chipset ID SMSC - LAN7500
Indicators 1 - LED Indicators Activity
Gigabit Link
Packaging Information Package Quantity 1
Package Length 17 cm [6.7 in]
Package Width 14 cm [5.5 in]
Package Height 30 mm [1.2 in]
Shipping (Package) Weight 128 g [4.5 oz]
Performance Maximum Data Transfer Rate 480 Mbps (USB 2.0)
Type and Rate USB 2.0 - 480 Mbit/s
Buffer Size 20 KB
Compatible Networks 10/100/1000 Mbps
Auto MDIX Yes
Full Duplex Support Yes
MTBF 70,000 hours
Physical Characteristics Form Factor Attached Cable
Color Black
Material Plastic
Product Length 27 cm [10.6 in]
Product Width 30 mm [1.2 in]
Product Height 20 mm [0.8 in]
Weight of Product 39 g [1.4 oz]
Power Power Source USB-Powered
Software OS Compatibility Windows® XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2
Mac OS X® 10.6 to 10.9
Linux 2.6.x to 4.4.x LTS Versions only
Special Notes / Requirements System and Cable Requirements Available USB port
What's in the Box 1 - Included in Package USB Gigabit Adapter
Driver CD
Instruction Manual

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Drivers/Downloads

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Driver(s):

Manual(s):

Datasheet

Product Support

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Frequently Asked Questions

Installation

Prior to installing this device, ensure that your operating system is up to date (for example, you have installed the most recent service pack).

To install the driver:

  1. Download the latest drivers from the StarTech.com website (http://www.startech.com/Support). You can find the part number and product ID on the product’s packaging.

Note: Windows will typically save the files to the Downloads folder that is associated with your user account (for example, C:\Users\your_name\Downloads).

  1. Once the download is complete, right-click the zip folder that you downloaded, select Extract All, and follow the on-screen instructions.
  2. Select the appropriate folder for your operating system.
  3. Right-click Setup.exe.
  4. Click Run as Administrator.

Note: If the Run as Administrator option is not available, you might be attempting to run the installer from within the zipped file. Extract the files using the instructions in Step 2.

  1. Follow the on-screen prompts to install the device drivers and restart the computer when prompted.
  2. Your computer will automatically complete the driver installation and your device should be ready to use.

Prior to installing this device, ensure that your operating system is up to date (for example, you have installed the most recent service pack).

To install the driver:

  1. Download the latest drivers from the StarTech.com website (http://www.startech.com/Support). You can find the part number and product ID on the product’s packaging.

Note: Windows will typically save the files to the Downloads folder that is associated with your user account (for example, C:\Documents and Settings\your_name\My Documents\Downloads).

  1. Once the download is complete, right-click the zip folder that you downloaded, select Extract All, and follow the on-screen instructions.
  2. Select the appropriate folder for your operating system.
  3. Double-click Setup.exe.
  4. Follow the on-screen prompts to install the device drivers and restart the computer when prompted.
  5. Your computer will automatically complete the driver installation and your device should be ready to use.

Before you install the device, make sure that your operating system is current (for example, the most recent service pack is installed).

  1. Download the latest drivers from the StarTech.com website at http://www.startech.com/Support. The part number and product ID are on the product packaging.

Note: Windows usually saves the files to the Downloads folder that is associated with your user account (for example, C:\Users\your_name\Downloads).

  1. After the download is complete, right-click the zip folder that you downloaded, click Extract All, and complete the instructions.
  2. Press the Windows key + R, type devmgmt.msc, and press Enter to open the Device Manager.
  3. Right-click AX88179, which will have a “!” or “?” next to it to indicate a driver issue.
  4. Click Update Driver.
  5. Click Browse my computer for driver software.
  6. Select the Let me pick from a list of device drivers on my computer option.
  7. On the Select your device’s type from the list below screen, click Show All Devices, and click Next.

Note: The Select your device’s type from the list below screen does not appear on all systems. If you do not see this screen, skip this step.

  1. Select the Have Disk option.
  2. Browse to the AX88179\your_operating_system\Manual Drivers\ folder and open the 32-bit or the 64-bit folder, depending on your system type.

Note: To view your system type, click Start. Right-click Computer, and then click Properties.

  1. Click the Ax88179_178a file. Click OK, and then click Next.

Before you install the device, make sure that your operating system is current (for example, the most recent service pack is installed).

  1. Download the latest drivers from the StarTech.com website at http://www.startech.com/Support. The part number and product ID are on the product packaging.

Note: Windows usually saves the files to the Downloads folder that is associated with your user account (for example, C:\Documents and Settings\your_name\My Documents\Downloads).

  1. After the download is complete, right-click the zip folder that you downloaded, click Extract All, and complete the instructions.
  2. Press the Windows key + R, type devmgmt.msc, and press Enter to open the Device Manager.
  3. Right-click AX88179, which will have “!” or “?” next to it to indicate a driver issue.
  4. Click Update Driver.
  5. On the Hardware Update Wizard screen, click Install from a list or specific location (Advanced), and then click Next.
  6. Select the Don’t search, I will choose the driver to install option, and then click Next.
  7. On the Hardware Type screen, click Show All Devices, and then click Next.

Note: The Hardware Type screen does not appear on all systems. If you do not see this screen, skip this step.

  1. On the Select the Device Driver you want to install for this hardware screen, select the Have Disk option.
  2. In the Install from Disk dialog box, click Browse.
  3. Browse to the AX88179\your_operating_system\Manual Drivers\ folder and open the 32-bit or the 64-bit folder, depending on your system type.

Note: To view your system type, click Start. Right-click Computer, and then click Properties.

  1. Click the Ax88179_178a file. Click OK, and then click Next.
  1. Download the latest drivers from the StarTech.com website at www.startech.com/Support. The part number and product ID are on the product packaging.

Note: Mac OS X usually saves the files to the Downloads folder that is associated with your user account and is located on the drive where Mac OS X is installed (for example, Macintosh HD\Users\your_name\Downloads).

  1. Double-click the [ASIX88179] Mac USB Network Adapter.zip file.
  2. Press and hold the Control key and click the dmg file.
  3. To mount a drive on the desktop, click Open.
  4. Double-click the drive that you just mounted on the desktop.
  5. Press and hold the Control key and click the setup file.
  6. Click Open.
  7. Complete the instructions to install the device drivers, and restart your computer when prompted to.
  8. After your computer restarts, connect the device to your computer.

Troubleshooting

When you troubleshoot issues with a network adapter, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:

  • Ethernet cables
  • Network devices
  • Computer system

To test your setup components, try the following:

  • Use the Ethernet cables, network devices, and computer system in another setup to see if the problem is with the components or the setup.
  • Use different Ethernet cables, network devices, and a different computer system in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test your cables, it is recommended that you do the following:

  • Test each cable individually.
  • Use short cables when you are testing.

When you test the Ethernet cables, network devices, and computer system, it is recommended that you do the following:

If you are experiencing speed or connectivity issues, it is best to set a specific speed at half or full duplex in your settings.  You can set your network adapter to perform at a certain speed, but the device that the adapter is connected to (whether it is a router, switch, or computer) must also be able to perform at the same speed.

Note: You must log in as the local administrator before you continue.

To open Device Manager:

  • Press Windows key + R.
  • Type devmgmt.msc.
  • Click OK.
  1. Open the Networking adapters section.
  2. Right-click the network adapter that you want to change and select Properties.
  3. Click the Advanced tab.
  4. Scroll down to Speed & Duplex. By default, it is set to Auto-Negotiate. Select any of the speeds that you see in the list.
  5. Click OK and restart your computer.

If the USB device does not work after your computer has been in extended hibernation, it is likely that Windows has automatically turned off the USB Root hub to save power. 

The steps below outline how to configure the USB root hub to stay on during hibernation, to prevent this from happening.
 

Windows 10 / 8

  1. On your keyboard, press the Windows key + X and select Control Panel.
  2. Click Hardware and Sound, then click Power Options.
  3. Click Change plan settings for the plan you want to change.
  4. Click Change advanced power settings.
  5. Click the plus sign (+) next to “USB settings” and “USB selective suspend setting” to expand the options and change the setting to Disabled.
  6. Click OK to apply the setting.

Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.

Windows 7 / Vista

  1. Click the Start button and select Control Panel.
  2. Click Hardware and Sound, then click Power Options.
  3. Click Change plan settings for the plan you want to change.
  4. Click Change advanced power settings.
  5. Click the plus sign (+) next to “USB settings” and “USB selective suspend setting” to expand the options and change the setting to Disabled.
  6. Click OK to apply the setting.

Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.

Windows XP

  1. On your desktop, right-click the My Computer icon and select Properties.
  2. Click the Device Manager tab.
  3. Expand Universal Serial Bus controllers by clicking the arrow to the left of it.
  4. Right-click the first USB Root Hub device and select Properties.
  5. Click the Power Management tab.
  6. Clear the box next to Allow the computer to turn off this device to save power.
  7. Click OK to apply the setting.
  8. Repeat steps 4-7 for any remaining devices in the Universal Serial Bus Controllers section with “Root Hub” in the name.

Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.

How To

StarTech.com does not support a Preboot Execution Environment (PXE) as this requires third-party software. However, our devices can be used as long as the following conditions are met:

  1. The BIOS must support PXE.
  2. The BIOS must see the card.
  3. The environment must have drivers for the chipset used in the card.
  4. If using a USB networking card, the environment must have support for USB devices as well.

Virtual local area network (VLAN) tagging requires that the network interface card (NIC) and the router or switch that you use support protocol IEEE 802.1q.

Depending on the NIC, you can set your VLAN ID in Device Manager.  Not all NICs that support VLAN tagging have this option.

Setting your VLAN ID in Device Manager

Note: Log in as the local administrator before continuing.

To open Device Manager:

  • Press Windows key + R
  • Type devmgmt.msc
  • Click OK.
  1. In Device Manager, open Network adapters.
  2. Right-click on the NIC and choose Properties.
  3. Click the Advanced tab.
  4. Scroll down to VLAN ID.
  5. Set the ID that you would like the NIC to have and click OK.

Setting up your VLAN Tagging and Setting a VLAN ID

How you perform this task depends on your router or switch.  Consult the manual or manufacturer of your router or switch for more details.

In your router or switch, you can VLAN tag a device by the VLAN ID if you set one previously, or by the MAC address of the computer.  Your router or switch will list all IP devices by MAC address.

For products related to this article, click here.

To confirm that Windows detects your USB device, complete the following:

  1. Press the Windows key+R, type devmgmt.msc, and press Enter.
  2. In Device Manager, under the appropriate heading, confirm that your expansion card is listed and that there isn't an exclamation mark next to it.  For example, a USB controller card would be under Universal Serial Bus controllers.

Your USB device is listed according to the name of the chipset. To determine the name of the chipset of your USB device, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.

To confirm that the Mac OS detects your USB device, complete the following:

  1. Click the Apple icon.
  2. Click About This Mac.
  3. Click More Info or System Report.
  4. Under the appropriate heading, confirm that your USB device is listed and that there isn't an error. For example, a network card would be under Ethernet Cards.

You may need to refresh the System Information page after you plug in your device.  To do so, press Command R with the System Information page open.

Your USB device is listed according to the name of the chipset. To determine the name of the chipset of your USB device, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.

Compliance and safety

Compliance letters

  • RoHS
    • Language: English
  • WEEE
    • Language: English

Safety Measures

  • If product has an exposed circuit board, do not touch the product under power.
  • If Class 1 Laser Product. Laser radiation is present when the system is open.
  • Wiring terminations should not be made with the product and/or electric lines under power.
  • Product installation and/or mounting should be completed by a certified professional as per the local safety and building code guidelines.
  • Cables (including power and charging cables) should be placed and routed to avoid creating electric, tripping or safety hazards.
*Product appearance and specifications are subject to change without notice.

Customer Reviews

(3 reviews)
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(5 Stars)

Great gigabit adapter to add speed to Win8 tablet

By: rcarcher - 03/14/2014
I bought this adapter to add some network speed to a Win8 tablet without a network jack. Worked exactly as expected, and makes my tablet a docked network speedster. One USB hub, and network/sound/ports are enhanced.
| Helpful?

By: NicFau - 11/14/2014
The driver doesn't work for yosemite OS (macs) so I can't use it anymore...
| Helpful?

By: ChrisW - 09/21/2014
I bought one of these to upgrade my NIC card in an older PC to 1 Gigabit. The downside is USB 2.0 is only a maximum transfer speed of 480mbps so this adapter is NOT a true 1Gbps adapter. To be able to get full speed 1Gbps you will need an adapter that is USB 3.0 Specs and a USB 3.0 Port on your PC.
| Helpful?

By: BenZ - 09/12/2014
the linux driver could not build on Ubuntu 11.10 and above, only can build on version 10, so it need to update driver code for later Ubuntu.
| Helpful?
(1 Stars)

sucks

By: shadetree417 - 03/13/2015
Horrible my 10 100 is faster than this. mistake buying it and the support cannot figure out why it not running right on a vista machine
| Helpful?
(4 Stars)

Works fine.

By: Enduser - 10/25/2016
Purchased a few of these for the office, work fine and no speed concerns. Win 7 / Win 8.1 and Win 10 usage.
| Helpful?
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