Your search for "hpe sfp28" revealed the following:
NEW Arista CAB-S-S-25G-5M 5m 25 Gigabit BASE-CR Twinax Copper Cable
SKU: NSN-7295
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Ruckus ICX8200-48PF ICX 8200 Series 48x 1GB PoE+ RJ45 4x 25GB SFP28 Switch
SKU: NSB-9719
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Extreme 16701 X460-G2-24t-10GE4 28x 1GB RJ45 8x 1GB Combo 4x 10GB SFP+ Switch
SKU: NSH-8484
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 16701 X460-G2-24t-10GE4 28x 1GB RJ45 8x 1GB Combo 4x SFP+ Switch
SKU: NSN-5890
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fortinet FG-2201E 158 Gbps Registrable / Unclaimed Firewall
SKU: NSC-0212
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 16567 210-12p-GE2 12x 1GB PoE RJ45 2x 1GB SFP Switch
SKU: NSN-4899
Condition: New
Shipping: Overnight Options
Warranty: 365 days
HPE 654214-001 D6000 6GB SAS I/O Module
SKU: NSB-4030
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE AE311A ProLiant Single Channel 4Gb PCIe Fibre Host Bus Adapter
SKU: NSN-9061
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Extreme 16567 210-12p-GE2 12x 1GB PoE RJ45 2x 1GB SFP Switch
SKU: NSB-4685
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW NetworkTigers 5069-6535 Mounting Rack Ears for HP J9028A, J3295A, J9138A
SKU: NSN-1686
Condition: New
Shipping: Overnight Options
Warranty: 365 days