User can change hardware MAC address thousands of times

Complies with IEEE 802.3, 802.3u and 802.3x standards

Supports 10/100Mbps auto-negotiation and Full/Half Duplex mode

Supports 32-bit, 33MHz PCI Local Bus Master Version 2.2/2.1


Our best-selling and lowest-priced adapter, the SD120 is a 10/100 Mbps Ethernet plug-and-play PCI adapter. Firmware allows the user to program the physical MAC address thousands of times. Utilizes the latest chipset technology and provides easy installation. Automatic sensing connects to the network with a RJ-45 connector at the highest negotiable speed. With SD adapters, your computer will turn into a highly-configurable workstation or server.


  • Compliant with IEEE 802.3, IEEE 802.3u, and IEEE 802.3x standards

  • Supports 32-bit PCI bus master specification Rev 2.1/2.2

  • Supports 10/100Mbps auto-negotiation

  • Supports advanced power saving mode

  • Half or full-duplex flow control

  • Compatible with all major operating systems.

  • Supports Magic Packet™ remote wake-up method – Wake-on-LAN

  • Supports ACPI, PCI power management

  • Diagnostic LEDs

  • Plug & play
  • Specifications

    Standard IEEE 802.3 10Base-T, IEEE 802.3μ 100Base-TX
    ANSI/IEEE 802.3Auto-Negotiation
    IEEE 802.3xFull-Duplex Flow Control
    Interface 32-bitPCI BUS Rev 2.1/2.2
    Protocol CSMA/CD
    Network Media Ethernet: UTP/STP CAT3, 4, 5 EIA/TIA-568 100-ohm
    Fast Ethernet: UTP/STP CAT5, EIA/TIA-568 100-ohm
    Data Transfer Rate 10Mbps:10/20Mbps (Half/Full-duplex)
    100Mbps:100/200Mbps (Half/Full-duplex)
    Diagnostic LED Link, Activity
    Temperature Operating:0° C ~ 50° C (32° F ~ 122° F)
    Storage:-20° C ~ 70° C (-4° F ~ 158° F)
    Humidity Operating:10 % to 90 % non-condensing
    Storage:5 % to 90 % non-condensing
    Certifications CE,FCC