F-66.4, Basic Raised Floor Mount Fan Unit – Cool Air from Rack Bottom (2172 CFM @ 230V / 2104 CFM @ 208V)

F-66.4 is a basic raised floor mount fan unit with 4 EC fans that intakes air from the rack bottom. It maximizes aisle containment cooling performance and minimizes hot spots in server rack.

Form Factor: Raised Floor Mount (Cool Air from Rack Bottom)
Product Series: Basic


  • Intakes cool air from rack bottom
  • Quad EC ( Electronically Communicated ) fans
  • Maximizes aisle containment cooling performance
  • Minimizes hot spots in server rack
  • Provides overall temperature monitoring
  • Adjustable CFM Levels
  • Unit or individual fan on / off
  • 2 x bundled temp. sensors with 2M wire
  • 2-year standard warranty ( upgradable up to 5 years )


InfraCool Basic Raised Floor Mount Fan Unit F-66.4 help deliver strong cool air from underfloor via the contained aisle to high density server racks to eliminate internal hot spots. Maximizes CRAC (Computer Room Air Conditioning) efficiency and saves energy costs.

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    F-66.4 Specifications

    SKU F-66.4



    , ,

    Product Series


    Form Factor

    Raised Floor Mount, Raised Floor Mount (Cool Air from Rack Bottom)


    4 Fans

    Fan Capacity

    543 CFM (230V), 526 CFM (208V)

    Max. Total Fan Capacity

    2104 CFM (208V), 2172 CFM (230V)

    Control Method




    Front Panel LED Yes
    Local Temperature Monitoring Yes
    Remote Temperature Monitoring N/A
    Remote Access via Web Browser N/A
    Manual Fan Speed Control Yes
    Automatic Fan Speed Control Yes
    Local Fan Unit ON / OFF Yes
    Remote Fan Unit ON / OFF N/A
    Local Individual Fan ON / OFF Yes
    Remote Individual Fan ON / OFF N/A
    Temperature Alarm Setting N/A
    Reporting N/A

    50,000 Hours



    Dimensions 520 × 540 × 65 mm
    ( 21.26 x 20.47 x 2.56 in )

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    Technical Support

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      Package Icon

      Package Contents

      • (1) F-66.4 Raised floor fan unit
      • (1) 6ft power cord
      • (2) External temperature sensor (6ft wire)
      • (1) Support bracket, left & right side
      • (4) Bracket fixing plate
      • (8) M8 screw & nut ( for fixing plate )
      • (4) M5 screw

      2 Years Standard Warranty

      on all purchases. Expandable up to 5 years.

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      Shipping & Ordering Information

      We support a worldwide customer base through global locations in the Americas, EMEA, APAC as well as ASEAN, and thorough our extensive authorized channel partner support network around the world.

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      Find a local partner that understands your unique business and industry needs. Austin Hughes supports a global network of authorized channel partners that can provide sales & solutions support anywhere in the world.

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      Are you interested in becoming an Austin Hughes distributor or value-added reseller? We offer extensive sales & technical support, global distribution, and branding. Please feel free to reach out to us for more.

      High-quality Build with Certifications for any application

      Product Warranty

      2 years standard warranty on all purchases. Expandable up to 5 years.


      CE, FCC, REACH, RoHS3 Certified, and TAA Compliant.


      MTBF (Mean-Time-Between-Failure) of 50,000 Hours.

      Global Support

      Extensive authorized distributions network around the globe.

      Customer Commitment

      Enhance customer competitiveness through our world class quality solutions and services.

      Go Green Business

      BSI ISO9001 / ISO14001 accredited ensuring maximum operating efficiency.

      CE Certified
      FCC Certified
      REACH Compliant
      RoHS3 Compliant

      About Austin Hughes

      Design. Manufacturing. Global Services.

      Founded in 1995. Austin Hughes is a design and manufacturing group that offers a broad range of solutions based around 19 inch rack mount technology.

      These solutions include InfraRack Intelligent racks, UltraRack IT server racks, InfraAisle cold aisle containment, InfraSolution® SmartCard access control & monitoring for global branded racks, InfraPower® intelligent kWh power management, InfraCool® intelligent airflow management, InfraGuard rack environmental sensor system, CyberView™ dedicated KVM switch & rackmount display and UltraView professional LCD screen.

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