Black Box 1-877-877-2269 



Extra Rails for Select and Select Plus Cabinets - 42U, Set of 4

Add extra rails to your Select or Select Plus Cabinets for even more versatility.


Limited Quantity In Stock
Typically Ships within One Week
Lifetime Double Diamond™ Warranty (Standard)

*Required field

Product Features

  • Fit Select Plus and Select Server Cabinets.
  • Set of (4) rails, 42U.
  • Guaranteed for life!


Set of (4) rails, 42U. Fit Select Plus and Select Server Cabinets. Also available in 15U and 38U, and in sets of two. Guaranteed for life!

Tech Specs

cUL 0
UL 0
RoHS Yes
This product works with:
Product works with
  • Select Plus Cabinets (RM2540A, RM2550A, RM2640A, RM2650A)
  • Select Server Cabinets (RM2440A, RM2450A)
  • Questions? Contact ServSwitch Centralâ„¢ at 724-746-5500 or by clicking "Need Help" in the top navigation.

    * 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 no-questions-asked warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    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 787-767-3500.

    ** Certain products may not be eligible.

    What’s more, we also have a 45-day, no-questions-asked 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.