Acegear RMB2 Rack Mount Ears. Click or scroll to zoom Tap to zoom by Acegear SKU AGRMB2 This website is for Authorized Dealers only. Pricing and checkout is disabled unless you are authorized. "Login" or Click "Dealer Application" to apply. Rack Mount Brackets Metal Bracket The Rack Mount Bracket is a bracket set for mounting NVRs and DVRs to a rack.