Your search for "SFP-1G" revealed the following:
Cisco C9300L-48UXG-4X-E 48x 1GB UPoE RJ45 (12x MultiGB) 4x 10GB SFP+ Switch
SKU: NSH-9662
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,314.99
• Only 2 remaining
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Advantage Optics MA-SFP-1GB-LX10 1GB BASE-LX/LH 1310nm SMF SFP Transceiver
SKU: NSB-3931
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 303.99
• Only 2 remaining
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Ruckus ICX7150-24F-4X10GR Brocade 24x 1GB SFP 2x 1GB RJ45 4x 10GB SFP+ Switch
SKU: NSB-6266
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,869.99
• Only 1 remaining
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NEW Cisco WS-C3650-48TD-L 48x 1GB RJ45 2x 10GB SFP+ 2x 1GB SFP Switch
SKU: NSN-2701
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 827.99
• Only 2 remaining
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NEW HPE J4859C X121 1GB BASE-LX 1310nm Long Haul SMF LC SFP Transceiver
SKU: NSN-9492
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 51.99
• Only 2 remaining
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NEW Cisco C9300L-48T-4X-A Catalyst 9300L 48x 1GB RJ45 4x 10GB SFP+ Switch
SKU: NSN-6529
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 7,475.99
• Only 2 remaining
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NEW Juniper EX-SFP-1GE-SX 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSN-9378
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 46.99
• Only 2 remaining
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HPE Aruba J4858D 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSB-5117
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 72.99
• Only 2 remaining
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Juniper EX-SFP-1GE-SX 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSH-1022
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 32 in stock
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Cisco C3850-NM-2-10G Catalyst 3850 4x 1GB SFP (2x 10GB SFP+) Switch Module
SKU: NSH-3511
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 119.99
• 4 in stock
Call if you need more