Your search for "hpe sfp28" revealed the following:

NEW HPE JG961A 1950-48G-2SFP+-2XGT 48x 1GB RJ45 2x SFP+ 2x 10GB Copper Switch

SKU: NSN-3516
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE JG626A FlexFabric 12900 Series 48x 10GB SFP+ Switch Module

SKU: NSN-0546
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco SFP-H25G-CU2M 2m 25GB SFP28 Passive Copper Cable

SKU: NSN-7456
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE J4859B 1GB BASE-LX-LC 1310nm SMF or MMF LC SFP Transceiver

SKU: NSN-9558
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S4128F-ON 210-ALSY 28x 10GB SFP+ 2x 100GB QSFP28 F-B (No OS10) Switch

SKU: NSN-9932
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE Aruba JW784A 7240XM Series 4x 10GB SFP+ 2x 1GB Combo Controller

SKU: NSN-4253
Condition: New
Shipping: Overnight Options
Warranty: 365 days

HPE J9285B 7m 10GB SFP+ Direct Attach Copper Cable

SKU: NSB-5094
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

HPE R0Y49A 6x 40G QSFP 48x 10G SFP+ Back to Front Airflow Switch Fabric Module

SKU: NSB-5625
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW HPE Q2F21A SN2700M M-Series 32x 100GB QSFP28 Switch

SKU: NSN-2408
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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

SKU: NSB-5545
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days