Your search for "hpe xfp to sfp" revealed the following:
HPE 487657-001 3m 10GB SFP+ Direct Attach Copper Cable
SKU: NSH-3842
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE J9532A 92x 1GB PoE+ RJ45 2x 10GB SFP+ 8x Open Slot Switch w/ Premium SW
SKU: NSN-2481
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE J9150A 10GB BASE-SR LC 850nm Short Reach LC MMF SFP+ Transceiver
SKU: NSN-7908
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE J9540A 92x 1GB PoE+ RJ45 4x 1GB SFP 8x Open Module Slots Switch w/ Premium
SKU: NSH-4745
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JG960A 1950-24G-2SFP+-2XGT 24x 1GB RJ45 2x 10GB SFP+ Switch
SKU: NSN-4802
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE Q6M29A SN2410bM 48x SFP+ (24x Active) 8x QSFP28 (4x Active) SAN Switch
SKU: NSB-6903
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JG962A 1950-24G-2SFP+-2XGT-POE+ 24x 1GB RJ45 2x 10GB SFP+ Switch
SKU: NSN-2906
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE AJ716B 8 Gigabit Fibre Channel B-Series Shortwave LC SFP+ Transceiver
SKU: NSN-1102
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE J9532A 92x 1GB PoE+ RJ45 2x 10GB SFP+ 8x Open Slot Switch w/ Premium SW
SKU: NSH-4742
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
HPE JL291A 10m 10GB SFP+ Active Optical Cable
SKU: NSH-9670
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days