Discontinued - PCI Express 802.11N 300 Mbps Wireless Network Adapter - 2T3R

Product ID: PEX300WN2X3


Add high speed Wireless N connectivity to a desktop PC through PCI Express

  • 2 Transmitter/3 Receiver (2x3:2) antenna configuration with MIMO support

  • Compliant with IEEE 802.11n standard, with transfer rates up to 300Mbps

  • Backward compatible with IEEE 802.11b/g standards for up to 11/54Mbps connections respectively

More Features . . .
  • Broadcast distances up to 200m indoors and 400m outdoors

  • Supported security features: WEP (64-128-bit), WPA, WPA2, WPS and 802.1x

  • Support for WMM/WMM-PS Quality of Service (QoS)

  • Infrastructure and Ad-Hoc network modes support

Available in


May be in stock with Resellers/Distributors

The PEX300WN2X3 PCI Express Wireless 802.11n 300Mbps network adapter adds high speed wireless network connectivity to almost any PCI Express-enabled desktop/workstation PC. Using a 2T3R (2 Transmitter/3 Receiver) Multiple Input Multiple Output (MIMO) design over the 2.4GHz frequency, the PCIe wireless card is capable of reaching data transfer speeds of up to 300Mbps over an 802.11n network, while improving signal reception and range.

Backward compatible with 802.11b/g networks (11/54Mbps), the adapter card is a versatile wireless networking solution; with support for standard and advanced security options such as WEP, WPA, WPA2 and 802.1x along with wireless Quality of Service (QoS) support, and quick and easy setup through WPS, this PCI Express 2.0 card is backed by StarTech.com's lifetime warranty and free lifetime technical support, making for an excellent wireless upgrade or first-time setup option.

The StarTech.com Advantage
  • PCI Express 2.0 and 802.11n compliance ensure a fast, reliable wireless connection, while still being able to connect to older b/g networks
  • Support for the latest security protocols and QoS ensures a safe and efficient wireless experience
  • Backed by a StarTech.com lifetime warranty and free lifetime technical support
Common Customer Questions

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Compatible With

View full OS compatibility

Windows 2000/ XP(32/64-bit)/ Server 2003(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ Server 2008 R2/ 7(32/64-bit)/ 8(32/64-bit)
Linux kernel 2.4/2.6

  • Add fast wireless networking capabilities to a PCI Express enabled desktop PC
  • Upgrade a desktop PC to support the latest Wireless N networking speeds
  • Connect a remote workstation PC to a network wirelessly, when running network cables is not feasible
Warranty Information
Warranty Lifetime
Antenna Configuration 2x3:2 (TxR:S)
Bus Type PCI Express
Card Type Standard Profile
Chipset ID Ralink - RT2890 + RT2820
Industry Standards IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Interface Wireless Ethernet
Frequency 2.4 GHz
Full Duplex Support Yes
Maximum Data Transfer Rate 300 Mbps
Security Features TKIP/AES
WEP Data Encryption
WPA Data Encryption
Connector Type(s) 1 - PCI Express x1 Male
1 - Wireless N (IEEE 802.11n)
OS Compatibility Windows 2000/ XP(32/64-bit)/ Server 2003(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ Server 2008 R2/ 7(32/64-bit)/ 8(32/64-bit)
Linux kernel 2.4/2.6
LED Indicators 1 - Activity
Humidity 5%~95% RH
Operating Temperature 0°C to 40°C (32°F to 104°F)
Storage Temperature 0°C to 70°C (32°F to 158°F)
Physical Characteristics
Product Height 0.8 in [21 mm]
Product Length 4 in [102 mm]
Product Weight 3.8 oz [106.7 g]
Product Width 3 in [76.5 mm]
Packaging Information
Shipping (Package) Weight 4.9 oz [140 g]
What's in the Box
Included in Package 1 - PCI Express network adapter
3 - Wireless Antenna
1 - Driver CD
1 - User Manual
PCI Express to 2 PCI & 2 PCIe Expansion Enclosure System - Full Length

PCI Express to 2 PCI & 2 PCIe Expansion Enclosure System - Full Length

Add Two PCI & Two PCI Express Expansion Card Slots to a Desktop or Laptop Computer System


In stock:   USA: 86  |  Canada: 3

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

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Startech.com - PCI Express 802.11N 300 Mbps Wireless Network Adapter - 2T3R

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