Your search for "fn-tran-sx" revealed the following:
Harmonic GSF9322 1GB BASE-SX 1310nm Single-Mode SMF LH SFP Transceiver
SKU: NSB-1142
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• Only 3 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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NEW Finisar FCLF8521P2BTL-FN 1GB BASE-T RJ45 SFP Transceiver
SKU: NSN-1605
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 48.99
• Only 2 remaining
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Alcatel-Lucent Nokia 1AB187280063 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSB-0553
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 245 in stock
Call if you need more
Cisco ONS-GC-GE-SX 1GB BASE-SX 850nm MMF GBIC Transceiver
SKU: NSB-0720
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 6 in stock
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NEW Cisco Meraki MA-SFP-1GB-LX10 1GB BASE-LX10 1310nm SMF Transceiver SFP
SKU: NSN-8804
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 484.99
• Only 2 remaining
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Champion GESFP-SX-ALU 1 Gigabit BASE-SX 850nm MMF SFP Transceiver
SKU: NSB-9877
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 15.99
• 6 in stock
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Nokia 1AB187280063 1GB BASE-SX OE-TRX-GBE 850nm MMF Multimode LC SFP Transceiver
SKU: NSB-0420
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 9 in stock
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Ruckus E1MG-SX-OM 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSB-1424
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• 34 in stock
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Extreme 10051 1GB BASE-SX 850nm MMF SFP Transceiver
SKU: NSH-6305
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 13.99
• 99 in stock
Call if you need more