Your search for "Dell N1548" revealed the following:
For Dell X and N-Series Switches NT-9JM64 575-BBNW Wall Mount Bracket
SKU: NSB-9808
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 45 in stock
Call if you need more
NEW for Dell PowerConnect 6000 Series 1U Switches WJ690 NT-6000 Rack Mount Kit
SKU: NSB-4322
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 100 in stock
Call if you need more
NEW for Dell PowerConnect 5500 Series 1U Switches WJ690 NT-5500 Rack Mount Kit
SKU: NSB-4290
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 18.99
• 100 in stock
Call if you need more
NEW NetworkTigers Rack Mount Kit for Dell PowerConnect 5524 5548 Switch
SKU: NSB-5960
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 18.99
• 150 in stock
Call if you need more
NEW Dell N1548P N1500 Series 48x 1GB PoE+ RJ45 4x 10GB SFP+ EMC Switch
SKU: NSN-2336
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S5248F-ON 48x 25GB SFP28 2x 200GB QSFP28-DD 4x QSFP28 F-B No OS10 Switch
SKU: NSB-9762
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N2048P N2000 Series 48x 1GB PoE+ RJ-45 2x 10GB SFP+ EMC Switch
SKU: NSN-2244
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell N3048EP-ON 48x 1GB PoE+ RJ45 2x 10GB SFP+ 2x 1GB Combo Switch
SKU: NSN-2207
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell 5548P PowerConnect 5500 48x 1GB PoE RJ-45 2x 10GB SFP+ Switch
SKU: NSN-3333
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell S4148U-ON 210-ALRZ 48x 24x Uni SFP+ 2x QSFP+ 4x QSFP28 F-B No OS10 Switch
SKU: NSB-9786
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days