Your search for "dell s4112" revealed the following:
Dell S3048-ON 48x 1GB RJ45 4x 10GB SFP+ Front-to-Back Airflow 210-AEDM Switch
SKU: NSB-0012
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 197.99
• 24 in stock
Call if you need more
Dell N4064F N4000 Series 48x 10GB SFP+ 2x 40GB QSFP+ Switch
SKU: NSH-5996
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 429.99
• Only 2 remaining
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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
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NEW Foxconn Dell 0W390D 2m External SAS Cable
SKU: NSN-8363
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 39.99
• Only 2 remaining
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NEW for Dell PowerConnect 3000 Series 1U Switches WJ690 NT-3000 Rack Mount Kit
SKU: NSB-4278
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 18.99
• 151 in stock
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Dell EMC C5RNH BASE-SR 10GB 850nm AFBR-709SMZ-FT2 SFP+ Transceiver
SKU: NSB-2030
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 69 in stock
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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
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Dell S4112F-ON EMC S-Series 12x 10GB SFP+ 3x 100GB QSFP28 F-B Air No OS10 Switch
SKU: NSB-9782
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell S4112T-ON 12x 10GB Copper 3x 100GB QSFP28 F-B Air AC (No OS10) Switch
SKU: NSB-9779
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell S4112T-ON-RA 12x 10GB Copper 3x 100GB QSFP28 B-F Air DC OS10 Switch
SKU: NSB-1989
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days