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StarTech PCI Express Wireless N Card, 2T2R 2.2 dBi, Adapter (PEX300WN2X2)
StarTech.com

StarTech PCI Express Wireless N Card, 2T2R 2.2 dBi, Adapter (PEX300WN2X2)

Bottom line: The StarTech.com StarTech PCI Express Wireless N Card ($21.31 on Amazon as of 2026-10-21 10:17 UTC): 300Mbps 802.11n over a single PCIe x1 slot, no USB port used; main trade-off: 2.4GHz only, no 5GHz band on this 802.11n adapter.

$21.31

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Buy on Amazon — $21.31 Compare to similar retro networking cards

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 300Mbps 802.11n over a single PCIe x1 slot, no USB port used
  • ✓ 2T2R antenna design with 2.2 dBi gain improves reception and range
  • ✓ Ships with both full-height and low-profile brackets for SFF builds
  • ✓ Backward compatible with 802.11b/g at 11/54Mbps for older routers
  • ✓ TAA-compliant, so it clears government and enterprise procurement

Cons

  • ✗ 2.4GHz only, no 5GHz band on this 802.11n adapter
  • ✗ 300Mbps caps well below modern Wi-Fi 5 and Wi-Fi 6 cards
  • ✗ Security tops out at WPA2, with no WPA3 support listed
  • ✗ Requires an open PCIe slot, ruling out laptops and mini PCs

Manufacturer description

The PCI express wireless N card (PCIe x1) adds high speed wireless network connectivity to almost any PCI Express enabled desktop / workstation PC. Using a 2T2R (2 Transmitter/2 Receiver) design over the 2.4GHz frequency, this PCIe wireless card provides up to 300Mbps of data bandwidth over an 802.11n network, while improving signal reception and range. Backward compatible with 802.11b/g networks (11/54Mbps), this WiFi N adapter offers a versatile wireless networking solution with support for standard and advanced security options such as WEP, WPA and WPA2, along with wireless Quality of…

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SpecPicks Verdict

SpecPicks scored StarTech.com StarTech PCI Express Wireless N Card using a rating × review-volume × price-fit model applied to published specs and reviews across the retro networking cards category. StarTech.com's retro networking cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro networking cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • ENHANCE YOUR CAPABILITIES: Use this internal wireless network card to add high speed Wireless-N connectivity to a desktop PC through PCI Express (PCIe)
  • HIGH COMPATIBILITY: PCI Express 2.0 and 802.11n compliance ensure a fast, reliable wireless-N network connection, while still being able to connect to older wireless B/G networks
  • EASY INSTALLATION: Complete with a low profile / half-height installation bracket, this PCI express wireless N card is easy to setup in any sized computer
  • SAFE NETWORK EXPERIENCE: With support for the latest wireless network security protocols and QoS, this PCI express wireless card ensures a safe and efficient network experience
  • PCI Express 2.0 and 802.11n compliance ensure a fast, reliable wireless-N network connection, while still being able to connect to older wireless b/g networks
  • Support for the latest wireless network security protocols and QoS, ensures a safe and efficient network experience

Full Specifications

BrandStarTech.com
ColorAssorted
Unit Count1 Count
ConnectivityWireless
Model NumberPEX300WN2X2
CompatibilityPC
Built-In MediaLow-profile bracket, Network adapter
Item Type NameStartech.Com PEX300WN2X2 PCIe 300 Mbps Wireless N Network Adapter 802.11N/g 2T2R PCI Express X1
Connection TypeWireless
Mfr Part NumberPEX300WN2X2
Number of Items1
Number of Packs1
EASY INSTALLATIONComplete with a low profile / half-height installation bracket, this PCI express wireless N card is easy to setup in any sized computer
Compatible DevicesDesktop
Data Link Protocol802_11_BGN
Data Transfer Rate300 megabits_per_second
Hardware InterfacePCI
Warranty Description2 year warranty
ENHANCE YOUR CAPABILITIESUse this internal wireless network card to add high speed Wireless-N connectivity to a desktop PC through PCI Express (PCIe)
Item Dimensions L x W x H3"L x 1.9"W x 0.7"H

Ready to buy?

StarTech PCI Express Wireless N Card, 2T2R 2.2 dBi, Adapter (PEX300WN2X2) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $21.31

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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StarTech PCI Express Wireless N Card, 2T2R 2.2 dBi, Adapter (PEX300WN2X2)
$21.31
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