Your search for "HPE XFP to SFP" revealed the following:
Addon JD118B-AO 1GB BASE-SX MMF 850nm LC SFP Transceiver
SKU: NSB-9497
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 10 in stock
Call if you need more
US CRITICAL E1GSFPT-US 1GB BASE-TX Copper RJ45 100m SFP Transceiver
SKU: NSB-2166
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 5 in stock
Call if you need more
NEW Finisar FTLF8528P2BNV-EM 8Gb SWL SFP+ 850nm 150m Fibre Channel Transceiver
SKU: NSN-9039
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• Only 2 remaining
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NEW Cisco SFP-10/25G-CSR-S 25GB BASE-CSR 850nm Short Reach MMF SFP28 Transceiver
SKU: NSN-0704
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 204.99
• 99 in stock
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NEW Finisar FCMJ-8521-3-BB 1GB BASE-T RJ45 Optical SFP Transceiver
SKU: NSN-8385
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 31.99
• Only 2 remaining
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NEW Avago AFBR-709SMZ 10GB BASE-SR/SW 850nm MMF SFP+ Transceiver
SKU: NSN-9136
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 37.99
• Only 2 remaining
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Alcatel-Lucent 3HE00029CA-01 SCP6G94-A8-AWH SMF 1550nm 70km DOM SFP Transceiver
SKU: NSB-8790
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 18.99
• Only 1 remaining
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NEW Ericsson RDH10265/2 10GB BASE-LR 1310nm FTLX1370W4BTL-E7 SFP+ Transceiver
SKU: NSN-2911
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 27.99
• Only 2 remaining
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NEW Ruckus E1MG-SX-OM 1GB BASE-SX 850nm MMF LC SFP Transceiver
SKU: NSN-8893
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 41.99
• Only 2 remaining
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Juniper SRX-SFP-10GE-LR 10 Gigabit BASE-LR LC SMF Optical SFP+ Transceiver
SKU: NSH-5030
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• Only 2 remaining
Call if you need more