Your search for "HPE XFP to SFP" revealed the following:
Arista SFP-1G-SX 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSB-5374
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 39.99
• 8 in stock
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H3C SFP-GE-SX-MM850-A 1GB BASE-SX 850nm MMF 550m DOM SFP Transceiver
SKU: NSB-3290
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 16.99
• 19 in stock
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NEW Intel AFBR-709DMZ-IN3 10GB BASE-SR MMF 850nm SFP+ Transceiver
SKU: NSN-1072
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 51.99
• Only 2 remaining
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Finisar FTRX-1411D3 10GB BASE-LR/LW 1310nm XFP Transceiver
SKU: NSB-8426
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 4 in stock
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OE Solutions RBT12SLX-ST5 1550NM 10KM Single Strand Fiber SFP Transceiver
SKU: NSB-0575
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 91 in stock
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Ericsson RDH10265/2 1310nm 10GB BASE-LR FTLX1370W4BTL-E7 SFP+ Transceiver
SKU: NSB-9480
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 22.99
• 5 in stock
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NEW Third Party SFP-H25G-CU1.5M 1.5m 25GB SFP28 Direct Attach Copper Cable
SKU: NSN-0923
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 184.99
• 251 in stock
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Finisar FTRX-1411M3 10GB BASE-LR/LW 1200-SM-LL-L 1310nm XFP Transceiver
SKU: NSB-8753
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• Only 1 remaining
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Arista CAB-Q-4S-100G-2M 2m 100GB QSFP to 4x 25GB SFP28 DA Breakout Cable
SKU: NSB-5254
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 47.99
• Only 2 remaining
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ProLabs XFP10GLR-192SR-L-C BASE-LR 10GB 1310nm OC192-SR1 XFP Transceiver
SKU: NSB-1078
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 22 in stock
Call if you need more