Your search for "n3k-c3548" revealed the following:
NEW Cisco N3K-C3548P-10G 48x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSN-8258
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,292.99
• Only 2 remaining
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NEW Cisco N3K-C3548P-10G 48x 10GB SFP+ Back-to-Front Airflow Switch
SKU: NSN-2266
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,292.99
• Only 2 remaining
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Cisco N3K-C3548P-10GX 48x 10GB SFP+ Back-to-Front Airflow Switch
SKU: NSH-4182
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 259.99
• Only 2 remaining
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Cisco N3K-C3548P-10GX 48x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSB-7025
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 277.99
• Only 2 remaining
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Cisco N3K-C3548P-10G 48x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSB-7028
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 149.99
• Only 2 remaining
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NEW Cisco N3K-C3548P-XL 48x 10 Gigabit SFP+ Front-to-Back Airflow Switch
SKU: NSN-8259
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N3K-C3548P-10GX 48x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSN-8255
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N3K-C3548P-10GX 48x 10GB SFP+ Back-to-Front Airflow Switch
SKU: NSN-3327
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco N3K-C3548P-XL 48x 10 Gigabit SFP+ Back-to-Front Airflow Switch
SKU: NSN-7839
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco N3K-C3548P-XL 48x 10 Gigabit SFP+ Front-to-Back Airflow Switch
SKU: NSB-7029
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days