Your search for "HPE SFP28" revealed the following:
HPE Aruba J9151D 10GB BASE-LR LC SMF Long Reach XCVR SFP+ Transceiver
SKU: NSB-5555
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 195.99
• Only 2 remaining
Call if you need more
NEW Nvidia Mellanox MSN2410-BB2FC 48x 10GB SFP28 8x 100GB QSFP28 B-F CL Switch
SKU: NSN-0268
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 6,899.99
• Only 2 remaining
Call if you need more
HPE Aruba JL702A CX 8360 Series 8360-16Y2C Front-to-Back Airflow Switch Bundle
SKU: NSB-8105
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 4,157.99
• Only 2 remaining
Call if you need more
NEW HPE Aruba J9281D 1m 10GB SFP+ Direct Attach Copper Cable
SKU: NSN-0456
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 84.99
• 15 in stock
Call if you need more
NEW HPE 487655-B21 3m 10GB SFP+ Direct Attach Copper Cable
SKU: NSN-9116
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 49.99
• Only 2 remaining
Call if you need more
Nvidia Mellanox MSN2410-CB2RC 48x 25GB SFP28 8x QSFP28 F-B Cumulus Linux Switch
SKU: NSB-6751
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,082.99
• Only 1 remaining
Call if you need more
HPE Aruba JL678A CX 6100 Series 24x 1GB RJ45 4x 10GB SFP+ Switch
SKU: NSB-8081
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 999.99
• Only 3 remaining
Call if you need more
HPE Aruba JL659A CX 6300 Series 48x 5GB PoE++ RJ45 4x 50GB SFP56 Switch
SKU: NSB-8064
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 4,669.99
• Only 1 remaining
Call if you need more
HPE Aruba R8Q69A CX 6200M Series 48x 1GB RJ-45 4x 10GB SFP+ Switch
SKU: NSB-8348
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,875.99
• Only 2 remaining
Call if you need more
Arista DCS-7500R2AK-48YCQ-LC 48x 25GB SFP28 2x 100GB QSFP28 Switch Line Card
SKU: NSH-8103
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 6,744.99
• Only 2 remaining
Call if you need more