Your search for "Juniper QSFP-40G" revealed the following:
Cisco Meraki MA-CBL-40G-3M 3m 40GB QSFP+ Stacking Cable for MS350, MS410, MS425
SKU: NSH-9905
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 69.99
• Only 2 remaining
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NetworkTigers QSFP-H40G-AOC15M Cisco Compatible 15m 40G QSFP Optical Cable
SKU: NSB-2169
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 587.99
• 6 in stock
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HPE JG510A 5900AF-48G-4XG-2QSFP+ 48x 1GB RJ45 4x 10GB SFP+ 2x 40GB QSFP+ Switch
SKU: NSH-3597
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 299.99
• Only 2 remaining
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Cisco WS-C3650-12X48UZ-L (36x 1GB 12x MultiGB) UPoE RJ45 2x 40G QSFP+ Switch
SKU: NSH-9039
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 489.99
• Only 2 remaining
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Cisco N6K-C6001-64T N6000 Series 48x 10 Gigabit Ethernet 4x 40G QSFP+ Switch
SKU: NSH-5785
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 429.99
• Only 2 remaining
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HPE JH234-61001 1m 40GB QSFP+ Direct Attach Copper Cable
SKU: NSB-4328
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 199.99
• Only 2 remaining
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NEW Cisco Meraki MA-CBL-40G-50CM 0.5m 40G QSFP+ Stack Cable MS350 MS410 MS425
SKU: NSN-9353
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 68.99
• 12 in stock
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NEW Cisco QSFP-4X10G-LR-S 40GB BASE-LR SMF 1310nm SMF QSFP+ Transceiver
SKU: NSN-5042
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 192.99
• Only 2 remaining
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NEW Cisco Meraki MA-CBL-40G-3M 3m 40GB QSFP+ Stack Cable for MS210, MS225, MS250
SKU: NSN-5478
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 75.99
• Only 2 remaining
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HPE Aruba JL579A 8320 Series 32x 40GB QSFP+ Front to Back Airflow Switch
SKU: NSH-8271
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 3,329.99
• Only 2 remaining
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