Your search for "hpe sfp28" revealed the following:

Extreme 10423 3m 100GB QSFP28 to 4x 25GB SFP28 Direct Attach Breakout Cable

SKU: NSH-9414
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco SFP-H25G-CU2M 2m 25GB SFP28 Direct Attach Copper Cable

SKU: NSH-8889
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme 10522 5m 25GB SFP28 Direct Attach Copper Cable

SKU: NSN-4004
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE Aruba JL307A 3m 100GB QSFP28 Direct Attach Copper Cable

SKU: NSN-6164
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme 10530 10m 25GB SFP28 Active Optical Copper Cable

SKU: NSN-4005
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5248F-ON 48x 25GB SFP28 2x QSFP28-DD 4x QSFP28 F-B No OS10 Switch

SKU: NSN-9940
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5212F-ON EMC S 12x 25GB SFP28 3x 100GB QSFP28 F-B Air No OS10 Switch

SKU: NSN-9950
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell S5212F-ON-RA 12x 25GB SFP28 3x 100GB QSFP28 B-B Air No OS10 Switch

SKU: NSB-9769
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme Brocade BR-SLX-9140-48V-AC-R 48x 25 SFP28 6x QSFP28 B-F Air Switch

SKU: NSN-4589
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5248F-ON 48x 25GB SFP28 2x 200GB QSFP28-DD 4x 100GB QSFP28 F-B Switch

SKU: NSN-1910
Condition: New
Shipping: Overnight Options
Warranty: 365 days