PEX300WN2X3 - Adaptateur / Carte réseau StarTech.com - Free user manual and instructions
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| Product Type | PCI Express Wireless Network Adapter |
| Model | PEX300WN2X3 |
| Brand | StarTech.com |
| Interface | PCI Express x1 |
| Wireless Standards | IEEE 802.11 a/b/g/n/ac |
| Frequency Bands | 2.4 GHz and 5 GHz |
| Maximum Data Rate | 300 Mbps (2.4 GHz) / 867 Mbps (5 GHz) |
| Antenna Type | 2 x External Detachable Antennas |
| Wireless Security | WEP, WPA, WPA2, WPA3 |
| Dimensions (L x W x H) | 120 mm x 69 mm x 20 mm |
| Weight | 50 g |
| Power Source | PCI Express Slot |
| Operating Temperature | 0°C to 50°C |
| Operating Humidity | 10% to 90% (non-condensing) |
| System Compatibility | Windows 7/8/10/11, Linux |
| Maintenance | Keep dry; clean with a soft, dry cloth |
| Safety | Install in a well-ventilated slot; avoid liquid contact |
| Spare Parts & Repairability | Antennas are user-replaceable; internal components not user-serviceable |
| Package Contents | 1 x Adapter, 2 x Antennas, Low-Profile Bracket, Driver CD, Manual |
Frequently Asked Questions - PEX300WN2X3 StarTech.com
What operating systems are supported?
The PEX300WN2X3 supports Windows 7, 8, 10, 11, and most Linux distributions. Drivers are included on the CD or available from StarTech.com.
How do I install the adapter?
Turn off your computer, open the case, insert the card into an available PCI Express x1 slot, secure it with the screw, attach the antennas, and close the case. Install the drivers from the CD or website.
What is the maximum speed?
On the 2.4 GHz band, up to 300 Mbps; on the 5 GHz band, up to 867 Mbps. Actual speed depends on network conditions and your router.
Does it support dual-band?
Yes, the adapter operates on both 2.4 GHz and 5 GHz frequencies simultaneously.
Can I use this with a desktop that has no extra PCIe slot?
No, this adapter requires a free PCI Express x1 (or larger) slot. It is not compatible with USB or laptop slots.
What security protocols are supported?
The adapter supports WEP, WPA, WPA2, and WPA3 encryption.
How do I troubleshoot if the adapter is not detected?
Ensure the card is fully seated in the slot, check that drivers are installed correctly, and verify that the antennas are attached. Restart your computer and try a different PCIe slot if available.
Can I replace the antennas with higher-gain ones?
Yes, the antennas are detachable and use a standard RP-SMA connector. You can upgrade to higher-gain antennas for better range.
Does it support Bluetooth?
No, this model is a Wi-Fi-only adapter and does not include Bluetooth functionality.
What is the warranty period?
StarTech.com offers a lifetime warranty on this product. For details, visit their warranty page.
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Download the instructions for your Adaptateur / Carte réseau in PDF format for free! Find your manual PEX300WN2X3 - StarTech.com and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. PEX300WN2X3 by StarTech.com.