Your search for "Juniper QSFP-40G" revealed the following:
NEW Brocade 40G-QSFP-SR4 40GB BASE-SR4 850nm MMF DDM QSFP+ Transceiver
SKU: NSN-8029
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 75.99
• Only 2 remaining
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NEW Juniper EX3400-24P 24x 1GB PoE+ RJ45 4x 10GB SFP+ 2x QSFP+ F-B Air Switch
SKU: NSN-4028
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 531.99
• 7 in stock
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Juniper QSFP-100GBASE-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSH-5660
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 47.99
• Only 2 remaining
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HPE JG328A 5m 40GB QSFP+ Direct Attach Copper Cable
SKU: NSB-5649
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 37.99
• Only 2 remaining
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NEW HPE JG709A 40GB BASE-CSR4 850nm MPO MMF QSFP+ Transceiver
SKU: NSN-5727
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 31.99
• 4 in stock
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Juniper EX4500-40F-FB-C 40x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSH-3455
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 587.99
• Only 2 remaining
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NEW QLogic CBL1-0400626 QSFP to Cx4 Transceiver Twinax 40G Direct Attach Cable
SKU: NSN-8928
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 24.99
• 37 in stock
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Cisco FET-40G 40GB BASE-SR4 850nm MMF QSFP+ Transceiver
SKU: NSH-5416
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 21.99
• Only 2 remaining
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Juniper JNP-QSFP-100G-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSH-5853
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 48.99
• 6 in stock
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Juniper EX9200-40T EX9200 Series 40x 1GB RJ-45 Switch Line Card
SKU: NSH-5690
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 195.99
• Only 2 remaining
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