Your search for "Finisar FTLF8524" revealed the following:
Dell Finisar FTLF8519P2BNL 1GB BASE-SX 850nm 300m SFP Transceiver
SKU: NSB-5736
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 18.99
• 7 in stock
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Finisar FCLF8521P2BTL-FN 1GB BASE-T RJ45 SFP Transceiver
SKU: NSB-8448
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• Only 2 remaining
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Finisar FTLX8574D3BCV 10GB BASE-SR 850nm MMF 300m SFP+ Transceiver
SKU: NSB-2987
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• Only 2 remaining
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Finisar FTLF1424P2BCD-E4 4GB Fibre Channel SFP 1310nm 10km SFP Transceiver
SKU: NSB-4284
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• Only 2 remaining
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Finisar FTLF1424P2BTR 1000 BASE-LX 4.25Gbps 1310nm SMF LC DOM SFP Transceiver
SKU: NSB-1446
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 7 in stock
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Finisar FTLX8574D3BCL 10GB BASE-SR 850nm Short Range MMF SFP+ Transceiver
SKU: NSB-0444
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 91 in stock
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Finisar FTLX8571D3BCL-EM 10GB BASE-SR 850nm MMF SFP+ Transceiver
SKU: NSB-0453
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 16.99
• Only 2 remaining
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Finisar FCLF8521P2BTL 1GB BASE-T RJ45 SFP Transceiver
SKU: NSB-8475
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• Only 2 remaining
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Finisar FTLX8571D3BCL BASE-SR 10 Gigabit 850nm MMF SFP+ Transceiver
SKU: NSB-6471
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• 40 in stock
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Finisar FTLF1426P2BTL 1310nm 6.144 Gbps 15 km SMF Transceiver SFP+
SKU: NSB-8450
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 403 in stock
Call if you need more