Your search for "hpe sfp28" revealed the following:
Dell S5148F-ON-RA 210-ANCL 48x 25GB SFP28 6x 100GB QSFP28 B-F Air No OS10 Switch
SKU: NSB-6551
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,855.99
• Only 2 remaining
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NEW HPE JG709A 40GB BASE-CSR4 850nm MPO MMF QSFP+ Transceiver
SKU: NSN-5727
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 31.99
• 4 in stock
Call if you need more
NEW Extreme 5520-VIM-4YE 5520 Series 4x 25GB SFP28 Switch Module
SKU: NSN-1956
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 499.99
• Only 2 remaining
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NEW Arista SFP-25G-LR 25GB BASE-SR 850nm SMF 10km SFP28 Optical Transceiver
SKU: NSN-6401
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 142.99
• Only 1 remaining
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Arista CAB-Q-4S-100G-5M 5m 100GB QSFP28 to 4x 25GB SFP Breakout Cable
SKU: NSB-5256
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 197.99
• 5 in stock
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Extreme 10504 25GB BASE-LR 1310nm SMF SFP28 Transceiver
SKU: NSB-7635
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 306.99
• Only 2 remaining
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Cisco N9K-C93180YC-EX 48x 25GB SFP+ 6x 100GB QSFP28 Front-to-Back Airflow Switch
SKU: NSB-6915
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 665.99
• Only 2 remaining
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Dell S5148F-ON 210-ANCK 48x 25GB SFP28 6x 100GB QSFP28 F-B Air No OS10 Switch
SKU: NSB-9770
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 605.99
• 8 in stock
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NEW Cisco C9200-NM-2Y Catalyst 9200 2x 25GB SFP28 Switch Module
SKU: NSN-0187
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 374.99
• 32 in stock
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NEW Dell S5048F-ON-RA 48x 25GB SFP+ 6x 100GB QSFP28 Back-to-Front Airflow Switch
SKU: NSN-8131
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 2,349.99
• Only 2 remaining
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