ASUS PCE-AC66 Wi-Fi AC1750 PCIe Wireless Adapter Review


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Features and Specifications

# Include product features and specification here if they are long and very detailed, such as with a video card or motherboard. If the features and specifications are short, include them at the bottom of the introduction page.

ASUS PCE-AC66 Features

World’s Fastest 802.11ac Wi-Fi PCIe Adapter


The ASUS PCE-AC66 is a new 802.11ac Wi-Fi PCI Express adapter which upgrades your desktop from tangled Ethernet cables to carefree, industry-leading 802.11ac at up to 1.3Gbps. Plus, the stylish magnetic antenna base gives you more flexibility in adjusting antenna placement to get the best possible signal reception.

The ASUS PCE-AC66 uses Broadcom’s new 5th generation Wi-Fi 802.11ac chipset to reach speeds of up to 1.3Gbps through the 5GHz band, which is three times faster than 802.11n Wi-Fi. At the same time, it maintains full backward compatibility with all previous Wi-Fi protocols, providing high performance two-way transmission while ensuring a smooth transition to 802.11ac and seamless interconnection with existing devices.

5th Generation 802.11ac Chipset


Designed with the latest networking technology, from industry leader Broadcom, the PCE-AC66 delivers the world’s fastest wireless performance, with a maximum data rate of 1300Mb/s on a single 5GHz channel. Broadcom’s new 5G Wi-Fi chip, the BCM4360, contains a number of performance enhancing features, including:

  • Support for 80MHz channel bandwidth, twice as wide as current 802.11n devices
  • 256-QAM, a higher modulation scheme that increases data transfer efficiency
  • Standardized Beam-Forming technology that helps increase wireless range, penetration, and data rates
  • Support for Low Density Parity Check Codes (LDPC) and Space-Time Block Codes (STBC)

The BCM4360 is the top tier of Broadcom’s new family of 5G Wi-Fi chips, and is the only one that supports the PCIe interface and implements three-stream 802.11ac specifications, offering speeds up to 1.3Gbps.

150% Greater Wi-Fi Coverage


Powerful two-way transmission and a signal-boosting high-gain design give the PCE-AC66 improved two-way transmission that extends Wi-Fi range and coverage by up to 150% compared to generic client devices. This extended reach means the elimination of dead spots at any location, offering fast and uninterrupted HD streaming and smooth multiplayer gaming wherever you may be.

Optimized and Reliable Wireless Coverage via Ai Radar


ASUS Ai Radar intelligently strengthens connections to compatible wireless devices. With the high-powered amplification and beam-forming package of the PCE-AC66 PCIe adapter and ASUS RT-AC66U 802.11ac wireless router, Ai Radar provides optimized signals, with better coverage and improved data throughput.

Flexible extended antenna placement


The three detachable antennas of the PCE-AC66 can be placed remotely via bundled extension cables. A magnetized stand also comes in the box, which can easily attach to various surfaces for more placement options. By making the antennas mobile, the design offers more flexibility in choosing locations for better signal reception and quality.

Stylish aluminum heatsink handles heat for extra stability


The added heatsink uses highly-conductive aluminum to remove heat from the chipset, ensuring greater reliability for non-stop operation. Lower temperatures translate into a more stable device in all climate conditions, even during hot summers, and greater stability means more consistent connectivity and longer product lifespan. Plus, the heatsink has been crafted for a stylish look, once more showing ASUS always goes beyond the spec.

Source: asus.com

ASUS PCE-AC66 Specifications

Network Standard: IEEE 802.11ac

Antenna: 3 x R SMA Antenna

Operating Frequency: 2.4GHz/5.1~5.8GHz

Operation Channel: 11 for N. America, 13 Europe (ETSI)

Data Rate: 802.11ac : downlink up to 1300Mbps, uplink up to 1300Mbps(20/40MHz)

Output Power:

b mode : 24.5 dBm

g mode : 19 ~23 dBm

n mode : 18 ~22 dBm


Management: Transmission power adjustment, Wireless configuration

Utilities: Wireless setting

Security: 64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK

Certificates: CE, FCC, C-Tick, IC, NCC

Dimensions: 103.3 x 68.9 x 21 mm (WxDxH)

Weight: 125 g (Device Only)

OS Support: Windows 8, Windows 7, Windows 2000, Windows XP

Source: asus.com


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  1. Kzinti1

    According to NewEgg, this thing has been “Discontinued”.
    It may or may not be sold again.
    The main complaint is noncompatibility with the P67 chipset.
    “COMMENT QUESTION: Which “Desktop” PCs are on Wi-Fi in your house?”
    None, here. Just netbooks and one TV so far.
    The real computers are all hardwired.

    1. Olin Coles

      Newegg’s page says “Not available” and “OUT OF STOCK”. It doesn’t say anything like you suggested.

    2. Bruce Normann

      In Stock at Amazon and B&H, and Open Box at Newegg
      Compatibility issue is with Z87 chipset, not P67, AFAIK.
      ASUS is working on the problem.
      I had ZERO issues with my Z68 setup.

      1. Bruce Normann

        PCE-AC66 and newer version, PCE-AC68 are both in stock at Newegg now.

        New version (PCE-AC68) is: newegg.com/Product/Product.aspx?Item=N82E16833320173

        Don’t know yet if there is an upgrade path.

  2. mononymous

    P67 is just one of many Intel chipsets anyway, so it shouldn’t be a major factor in deterring people… anyway mine with the X79 works just fine.

    Previously I used a powerline based network as I didn’t have the luxury of drilling holes into walls. The powerline works ok…ish but after upgrading to fiber it didn’t make sense to stick around with a 200mbps network when I can get something better.

    Currently, I pair this with the RT-AC66U, a Wifi ac capable router from Asus. I have a wall separating myself and the source and the distance is about 10m. Maximum would be at ~850mbps so I still get close to a standard gigabit connection so I’m content with the current setup.

    1. Bruce Normann

      I’m curious what kind of encryption you are using.

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