Your search for "ws-x68" revealed the following:
Cisco WS-X6848-SFP-2TXL Catalyst 6800 48x 1GB SFP (XL Version) Switch Module
SKU: NSH-2173
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 6,412.99
• Only 2 remaining
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NEW Cisco WS-X6848-TX-2T Catalyst 6800 Series 48x 1GB RJ45 Switch Module
SKU: NSN-1458
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 437.99
• Only 2 remaining
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Cisco WS-X6848-SFP-2T Catalyst 6800 48x 1GB FC SFP Switch Module w/ DFC4
SKU: NSH-2176
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 551.99
• Only 2 remaining
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Cisco WS-X6824-SFP-2T 24x 1GB Fiber SFP Switch Module w/ DFC4
SKU: NSH-1193
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 276.99
• Only 2 remaining
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Cisco WS-X6848-TX-2T Catalyst 6800 Series 48x 1GB RJ45 Switch Module
SKU: NSH-2170
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 139.99
• Only 2 remaining
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Cisco WS-X6816-10G-2TXL 16x 10GB Fibre Channel Switch Module w/ DFC4XL
SKU: NSH-2477
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,197.99
• Only 2 remaining
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Cisco WS-X6816-10G-2T 16x 10GB FC Switch Module w/ DFC4
SKU: NSH-3309
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 484.99
• Only 2 remaining
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Cisco WS-X6816-10T-2T Catalyst 6800 16x 10GB Copper Switch Module
SKU: NSH-2337
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco WS-X6816-10T-2TXL Catalyst 6500 16x 10GB Copper Switch Module w/ DFC4XL
SKU: NSH-4075
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days