Your search for "hpe xfp to sfp" revealed the following:
HPE Aruba J9822A 5400R zl2 12x Expansion Module Slot Switch Chassis
SKU: NSH-5565
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba JL261A 2930F Series 24x 1GB PoE+ RJ45 4x 1GB SFP Switch
SKU: NSN-3999
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE Aruba JW735A 7205 Series 2x 10GB SFP+ (RW) Wireless Controller
SKU: NSB-3674
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Addon 3CSFP93-AO 1GB Base-TX RJ45 HP Compatible SFP Transceiver
SKU: NSB-9582
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
HPE Aruba JW102A 3m 10GB SFP+ Direct Attach Copper Twinax Cable
SKU: NSH-3890
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JH234-61001 X242 Series 40G QFP+ to QSFP+ 1m Direct Attach Copper Cable
SKU: NSN-6231
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE Aruba JW101A 1m 10GB SFP+ Direct Attach Copper Twinax Cable
SKU: NSH-3843
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba JL704C 44x 25GB SFP28 6x 100GB QSFP28 F-B Airflow Switch w/ MACsec
SKU: NSN-2050
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE 720196-B21 1m 40GB QSFP+ Direct Attach Copper Cable
SKU: NSN-6249
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JH236A 5m 40GB QSFP+ Direct Attach Copper Cable
SKU: NSN-5511
Condition: New
Shipping: Overnight Options
Warranty: 365 days