Your search for "QSFP28" revealed the following:
Nvidia Mellanox MSN3700-CS2F 32x 100GB QSFP28 B-F Airflow (P2C) Onyx Switch
SKU: NSB-6725
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 6,187.99
• Only 1 remaining
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NEW Nvidia Mellanox MMS1C10-CM 100GB BASE-PSM4 1310nm LC QSFP28 Transceiver
SKU: NSN-8605
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 112.99
• Only 2 remaining
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NEW Extreme 17810 X870-96x-8c 96x 10GB (24x QSFP28) 8x 100GB QSFP28 Switch
SKU: NSN-6101
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 2,337.99
• Only 2 remaining
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Arista DCS-7280SR3-48YC8-F 48x 25GB SFP28 8x 100GB QSFP28 F-B Airflow Switch
SKU: NSB-9425
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 10,125.99
• Only 2 remaining
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NEW nVidia Mellanox MSN2410-CB2FC 48x 25GB SFP28 8x QSFP28 B-F (P2C) CL Switch
SKU: NSN-7553
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 6,037.99
• Only 2 remaining
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Ruckus ICX7850-32Q ICX 7850 Series 32x 100GB QSFP28 Switch
SKU: NSB-6339
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 8,432.99
• Only 1 remaining
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Arista DCS-7280SR-48C6-M-R 48x 10GB SFP+ 6x 100GB QSFP28 B-F Airflow Switch
SKU: NSH-8125
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 4,499.99
• Only 2 remaining
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Arista QSFP-100G-LR4 100GB BASE-LR4 1310nm Long Reach SMF LC QSFP28 Transceiver
SKU: NSB-5280
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 262.99
• 29 in stock
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NEW Arista CAB-Q-Q-100G-1M 1m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSN-6736
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 119.99
• Only 1 remaining
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Cisco N3K-C31108PC-V 48x 10GB SFP+ 6x 100GB QSFP28 Front-to-Back Airflow Switch
SKU: NSB-6943
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 315.99
• 30 in stock
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