Your search for "40g-qsfp-lr4" revealed the following:
Cisco QSFP-40G-LR4-S 40GB BASE-LR4 1310nm SMF LC QSFP Transceiver
SKU: NSH-6814
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 106.99
• Only 2 remaining
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NEW Cisco QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF LC QSFP Transceiver
SKU: NSN-1544
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 312.99
• Only 2 remaining
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Cisco QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF LC QSFP Transceiver
SKU: NSH-3659
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 126.99
• Only 2 remaining
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NEW Cisco QSFP-40G-LR4-S 40GB BASE-LR4 1310nm SMF LC QSFP Transceiver
SKU: NSN-4200
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 254.99
• Only 2 remaining
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NEW Juniper JNP-QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver
SKU: NSN-5599
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 207.99
• Only 2 remaining
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Arista QSFP-40G-LRL4 40GB BASE-LRL4 850nm SMF QSFP+ Transceiver
SKU: NSB-5338
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 48.99
• Only 2 remaining
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NEW Arista QSFP-40G-PLR4 40GB BASE-LR4 1310nm SMF MTP-12 QSFP+ Transceiver
SKU: NSN-5333
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 178.99
• 65 in stock
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NEW Juniper QSFPP-40GBASE-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver
SKU: NSN-3044
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 344.99
• Only 2 remaining
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Arista QSFP-40G-LR4 BASE-LR4 40GB 1310nm Long Reach SMF LC QSFP+ Transceiver
SKU: NSH-7515
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 119.99
• Only 1 remaining
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Juniper JNP-QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver
SKU: NSB-2988
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 192.99
• Only 2 remaining
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