Your search for "ex4500-vc1-128g" revealed the following:
Juniper EX4500-VC1-128G EX4500 Series 2x VCP 128 Gbps Switch Module
SKU: NSH-3257
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 49.99
• Only 2 remaining
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NEW Juniper EX4500-VC1-128G EX4500 Series 2x VCP 128 Gbps Switch Module
SKU: NSN-3115
Condition: New
Shipping: Overnight Options
Warranty: 365 days