Your search for "n3k-c3048" revealed the following:
Cisco N3K-C3048TP-1GE 48x 1GB RJ45 4x 10GB SFP+ Back-to-Front Airflow Switch
SKU: NSH-2625
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 187.99
• 30 in stock
Call if you need more
NEW Cisco N3K-C3048TP-1GE 48x 1GB RJ45 4x 10GB SFP+ Front-to-Back Air Switch
SKU: NSN-2697
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 851.99
• Only 2 remaining
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Cisco N3K-C3048-FAN-B Nexus 3000 Front-to-Back Airflow (Port Side Intake) Fan
SKU: NSH-8062
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 69.99
• Only 2 remaining
Call if you need more
Cisco N3K-C3048TP-1GE 48x 1GB RJ45 4x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSB-6934
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 206.99
• 32 in stock
Call if you need more
NEW Cisco N3K-C3048TP-1GE 48x 1GB RJ45 4x 10GB SFP+ Back-to-Front Air Switch
SKU: NSN-3024
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 851.99
• Only 2 remaining
Call if you need more
Cisco N3K-C3048-FAN Nexus 3000 Back-to-Front Airflow (Port Side Exhaust) Fan
SKU: NSH-5308
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days