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Item#: N82E16833114046

StarTech USB21000S Compact Black USB 2.0 to Gigabit Ethernet NIC Network Adapter

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  • 10/ 100/ 1000Mbps
  • 1 x RJ45

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Add Gigabit Ethernet to any USB 2.0 compatible PC or Notebook PC. The USB21000S Gigabit USB 2.0 Ethernet Adapter adds a single RJ45 Ethernet port to a USB-enabled computer system, with support for connecting to Gigabit networks. Backward compatible with USB 1.x computer systems and 10/100 Mbps Fast Ethernet networks, this compact and portable USB network adapter offers an ideal desktop replacement network adapter or laptop accessory.

Backed by a Lifetime warranty and free lifetime technical support.

Learn more about the STARTECH USB21000S




IEEE802.3, IEEE802.3u, IEEE802.3ab
10/ 100/ 1000Mbps
1 x RJ45
USB 2.0
1 - Green - Link
1 - Yellow - Activity


Chipset ID: ASIX - AX88178

Full Duplex Support: Yes

Auto MDIX: Yes

Buffer Size: 40k

Connector Type(s): 1 - USB A (4 pin) Male

OS Compatibility:
Windows 2000/ XP(32/64bit)/ Server 2003(32/64bit)/ Vista(32/64bit)/ 7(32/64bit)/ Server 2008 R2, Windows CE 6.0, and Mac OS 10.4/10.5/10.6, and Linux kernel 2.6.14 and up.

Compliant with USB 2.0 and backwards compatible with USB 1.1

USB-Powered, with no additional adapters required

Jumbo Frame support

Supports suspend mode and remote wakeup via link-up, magic packet, or external pin

Supports Full and Half duplex operating modes

Embedded 20KB SRAM for RX packet buffering and 20KB SRAM for TX packet buffering

Hot-Swap and plug-and-play supported

Compact, lightweight design for maximum portability

Plug Standards

Electrical Outlet Plug Type
Gigabit Ethernet Card
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): Lifetime
  • Limited Warranty period (labor): Lifetime
  • Read full details
  • Return Policies
    • Return for refund within: 45 days
    • Return for replacement within: 1 year
  • This item is covered by's 45/1 Return Policy.
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