Your search for "hpe xfp to sfp" revealed the following:
NEW HPE JG916A FlexNetwork 10500 Series 2x 100GB CFP Switch Module
SKU: NSN-9044
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE J9451A 6600 Series 6600-48G 48x 1GB RJ45 4x 1GB Combo Switch
SKU: NSN-7618
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba J9853A 2530-48G-PoE+-2SFP+ 48x 1GB PoE+ RJ45 2x 10GB SFP+ Switch
SKU: NSN-2576
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba JW675A 7240XM 4x 10G SFP+ 2x 1G Combo 16GB DRAM DC Controller
SKU: NSN-4250
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE Aruba J9826A 92x 1GB PoE+ RJ45 4x 1GB SFP 8x Open Module Slot Switch
SKU: NSH-5545
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba J9773A 2530-24G-PoE+ 24x 1GB PoE+ RJ45 4x 1GB SFP Switch
SKU: NSN-5103
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JH397A FlexFabric 5940 2x Expansion Module Slots 2x 40GB QSFP+ Switch
SKU: NSN-4762
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba JL581A 8320 Series 48x 10 Gigabit SFP+ 6x 40 Gigabit QSFP+ Switch
SKU: NSN-3644
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba JL559A 2930F 48x 1GB PoE+ RJ45 4x 10GB SFP+ (TAA) Switch
SKU: NSN-6273
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE Aruba JL683B Instant On 1930 Series 24x 1GB PoE+ RJ-45 4x 10GB SFP+ Switch
SKU: NSB-9262
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days