Your search for "SFP-10G-LR" revealed the following:
Ruckus 10G-SFPP-LR-S 10GB BASE-LR 1310nm SMF LC SFP+ Transceiver
SKU: NSB-6525
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 146.99
• 5 in stock
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Cisco ONS-SC+-10G-LR 10GB BASE-LR 1310nm Long Reach SMF SFP+ Transceiver
SKU: NSH-6087
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 69.99
• Only 2 remaining
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Cisco Meraki MA-SFP-10GB-LR 10GB BASE-LR 1310nm SMF SFP+ Transceiver
SKU: NSB-0824
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 889.99
• Only 2 remaining
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Juniper QFX-SFP-10GE-LR 10GB BASE-LR 1310nm SMF SFP+ Transceiver
SKU: NSB-0304
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 39.99
• Only 2 remaining
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NEW Juniper EX-SFP-10GE-LR 10GB BASE-LR 1310nm Long Reach SMF LC SFP+Transceiver
SKU: NSN-9562
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 319.99
• Only 2 remaining
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Extreme 10GB-LR-SFPP 10302 FTLX1471D3BCL-EX 10GB BASE-LR LC SMF SFP+ Transceiver
SKU: NSH-6837
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 43.99
• Only 2 remaining
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Cisco SFP-10G-LRM 10GB BASE-LRM 1310nm Long Reach MMF SFP+ Transceiver
SKU: NSH-0388
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 37.99
• Only 2 remaining
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NEW Cisco SFP-10G-LRM 10GB BASE-LRM 1310nm Long Reach MMF SFP+ Transceiver
SKU: NSN-0371
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 251.99
• Only 2 remaining
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NEW Cisco Meraki MA-SFP-10GB-LR 10GB BASE-LR 1310nm SMF SFP+ Transceiver
SKU: NSN-8805
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 928.99
• Only 2 remaining
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Juniper SFPP-10GE-LR 10GB BASE-LR 1310nm SMF 740-031981 SFP+ Transceiver
SKU: NSH-4258
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 28.99
• Only 2 remaining
Call if you need more