Your search for "WS-C4948-S" revealed the following:
NEW Cisco WS-C4948-S Catalyst 4948 Series 48x 1GB RJ45 4x 1GB SFP Switch
SKU: NSN-8077
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 562.99
• Only 1 remaining
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Cisco WS-C4948-10GE-S Catalyst 4900 48x 1GB RJ45 2x 10GB X2 Switch
SKU: NSH-3672
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 147.99
• 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