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ASUS PCE-AXE5400 WiFi6 6E PCI-E Adapter with 2 External Antennas. Supporting 6GHz Band, 160MHz, Bluetooth 5.2, WPA3 Network Security, OFDMA and MU-MIMO

ASUS PCE-AXE5400 WiFi6 6E PCI-E Adapter with 2 External Antennas. Supporting 6GHz Band

Bottom line: The ASUS PCE-AXE5400 WiFi6 6E PCI-E Adapter: Dedicated 6 GHz band avoids sharing bandwidth with older non-6E devices; main trade-off: requires a free PCIe slot, so no use in laptops or SFF-only builds.

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

Mike Perry — Hardware researcher since 2014. For home networking and Wi-Fi gear, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Dedicated 6 GHz band avoids sharing bandwidth with older non-6E devices
  • ✓ WiFi 6E adds up to seven extra 160 MHz channels for less congestion
  • ✓ Two adjustable external antennas cut dead zones and ease positioning
  • ✓ Bluetooth 5.2 onboard adds range and faster transfers over 5.0

Cons

  • ✗ Requires a free PCIe slot, so no use in laptops or SFF-only builds
  • ✗ 6 GHz gains only apply if you own a WiFi 6E router
  • ✗ 6 GHz shorter range means less through-wall reach than 5 GHz
  • ✗ Antennas are external and stick up behind the tower

Manufacturer description

ASUS PCE-AXE5400 is a WiFi 6E PCIe® card that allows your PC to connect to a WiFi 6E router via the dedicated 6 GHz band. This means it will not compete for bandwidth with non-WiFi 6E devices. The 6 GHz band provides up to seven extra 160 MHz channels, providing more bandwidth, more flexibility, and less congestion. Disclaimer: Actual data throughput and WiFi coverage will vary from network conditions and environmental factors, including the volume of network traffic, building material and construction, and network overhead, result in lower actual data throughput and wireless coverage.

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SpecPicks Verdict

SpecPicks scored ASUS PCE-AXE5400 WiFi6 6E PCI-E Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the networking category. Compare with similarly-priced alternatives in the networking category before committing. 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 networking 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

  • ASUS WiFi 6E total solution - optimized capabilities and performance
  • All-new 6 GHz band - Less congestion and interference for WiFi connections
  • Latest Bluetooth 5.2 - improved signal range, faster transmit speeds and less interference
  • Ultrafast WiFi 6 & WiFi 6E – 4.6X faster speeds, improved connection efficiency and better network security
  • Reduced dead zones with external antennas - Adjustable antennas allows easy positioning for the best reception.

Full Specifications

BrandASUS
ColorBLACK
Unit Count1 Count
ConnectivityBluetooth, WiFi
Model NumberPCE-AXE5400
Built-In MediaAntenna Base, Quick Start Guide, Low Profile Bracket, Motherboard USB Cable, PCE-AXE5400 PCIe Adapter, Warranty Card
Item Type NamePCIe Adapter
Mfr Part NumberPCE-AXE5400
Number of Items1
Compatible DevicesDesktop
Data Link ProtocolBluetooth, IEEE 802.11a
Data Transfer Rate5400 megabits_per_second
Hardware InterfaceBluetooth, PCI
Warranty Description3 years warranty
Item Dimensions L x W x H4.74"L x 3.47"W x 0.85"H
Full listing titleASUS PCE-AXE5400 WiFi6 6E PCI-E Adapter with 2 External Antennas. Supporting 6GHz Band, 160MHz, Bluetooth 5.2, WPA3 Network Security, OFDMA and MU-MIMO

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ASUS PCE-AXE5400 WiFi6 6E PCI-E Adapter with 2 External Antennas. Supporting 6GHz Band, 160MHz, Bluetooth 5.2, WPA3 Network Security, OFDMA and MU-MIMO 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.

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ASUS PCE-AXE5400 WiFi6 6E PCI-E Adapter with 2 External Antennas. Supporting 6GHz Band, 160MHz, Bluetooth 5.2, WPA3 Network Security, OFDMA and MU-MIMO
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