Your search for "ws-c4948e" revealed the following:
Cisco WS-C4948E Catalyst 4900 Series 48x 1GB RJ45 4x 10GB SFP+ Switch NO PSU
SKU: NSH-2575
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 189.99
• Only 2 remaining
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Cisco WS-C4948E-E 48x 1GB RJ45 4x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSH-2573
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 367.99
• Only 2 remaining
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Cisco WS-C4948E-S 48x 1GB RJ45 4x 10GB SFP+ Front-to-Back Air Switch
SKU: NSH-1226
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 361.99
• 7 in stock
Call if you need more
Cisco WS-C4948E-F Catalyst 4900 48x 1GB RJ45 4x 10GB SFP+ No PSU Switch
SKU: NSH-2141
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 225.99
• Only 2 remaining
Call if you need more