Your search for "hpe xfp to sfp" revealed the following:
NEW HPE JG838A 5900CP-48XG-4QSFP+ 48x 10GB SFP+ 4x 40GB QSFP+ Switch
SKU: NSN-2688
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE R4G55A SN3600B Series 24x 32GB FC SFP+ (8x Active) SAN Switch
SKU: NSN-9175
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JG898A 32x 10GB Copper 8x 10GB SFP+ 2x 40GB QSFP+ Switch
SKU: NSN-3357
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE AJ718A 8GB Fibre Channel 850nm 850nm MMF 150m DOM SFP+ Transceiver
SKU: NSN-8724
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE JG897A 5700-40XG-2QSFP+ 40x 10GB SFP+ 2x 40GB QSFP+ (TAA) Switch
SKU: NSH-6758
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
HPE JG414A FlexNetwork MSR4000 Series SPU-200 SVC Processing Unit
SKU: NSB-8376
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE J9447A 5400zl 44x 1GB PoE+ RJ45 4x 1GB SFP 4x Open Exp Mod Slot Switch
SKU: NSN-2617
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE JG895A 5700-48G-4XG-2QSFP+ 48x 1GB RJ45 4x 10GB SFP+ (TAA) Switch
SKU: NSH-4845
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JG306C 3600 SI Series 24x Fast Ethernet PoE+ 4x 1G SFP Switch
SKU: NSN-3831
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba JL625A 48x 25GB SFP28 8x 100GB QSFP28 Back-to-Front Airflow Switch
SKU: NSN-3640
Condition: New
Shipping: Overnight Options
Warranty: 365 days