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Rack Manager II, 84"H (45U)

Take control of cable management with this steel rack.


Please call 877-877-2269 for a replacement product or part.

Product Features

  • Cable management has never been so easy!
  • Weight capacity of 750 pounds.
  • 14-gauge steel construction provides strength to hold equipment solidly.
  • Top channel is designed with an adjustable waterfall to support cables and protect bend radius.
  • This sturdy rack meets EIA standards.
  • Features standard drilled and tapped 12-24 holes.
  • Base features predrilled holes for bolting the rack to the floor for extra stability.
  • Guaranteed for life!


  • Each base panel measures 4.25"D.
  • Join racks together for multirack systems.
  • Side channels feature large 6" holes for threading cable. Additional front and rear cable access cutouts provide more cable management options.
  • Extra-wide and extra-deep upright channels provide plenty of room for cable management. Channels measure 3.5"W x 6.5"D (8.9 x 16.5 cm).
  • Features 16 steel cable rings, (8 in front, 8 in back), which hold cable neatly and securely.
  • Cable rings can be adjusted 90°.

  • This product includes:
  • (16) cable rings
  • (2) rails
  • (2) base angles
  • (1) top horizontal bar with attached cable waterfall
  • (1) top horizontal bar without waterfall
  • (2) front-to-back supports
  • (24) hex head bolts
  • (70) panhead screws
  • (24) hex nuts
  • (48) flat washers
  • (24) split lock washers

  • Tech Specs

    cUL 0
    UL 0
    Base Depth 15.5" (38.1 cm)
    Hole-to-Hole Centers 18.3" (46.5 cm)
    Inside Height 78.9" (200.4 cm)
    Material Steel with black finish
    Outside Height 84" (213.4 cm)
    Rack Spaces 45U
    Weight 45 lb. (20.4 kg)

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.


    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The Rack Manager II, 84"H (45U) comes with a standard None already included.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.