Your search for "qfx fan" revealed the following:
Cisco N3K-C3172PQ-10GE 48x 10GB SFP+ 6x 40GB QSFP+ Back-to-Front Airflow Switch
SKU: NSH-4685
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 238.99
• Only 2 remaining
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NEW Juniper QFX-SFP-DAC-3MA 3m 10GB SFP+ Direct Attach Copper Cable
SKU: NSN-7091
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 76.99
• 39 in stock
Call if you need more
NEW Juniper QFX-SFP-1GE-T 1GB BASE-T RJ45 SFP Transceiver
SKU: NSN-8674
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 41.99
• Only 1 remaining
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Cisco N5K-C5624Q 12x 40GB QSFP+ 1x GEM Slot Front-to-Back Air Switch Chassis
SKU: NSB-7101
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 282.99
• Only 2 remaining
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NEW Arista DCS-7050QX-32S-F 32x 40GB QSFP+ 4x 10GB SFP+ Front-to-Back Air Switch
SKU: NSN-2698
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,586.99
• Only 2 remaining
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Juniper QFX-SFP-DAC-3MA 3m 10GB SFP+ Direct Attach Copper Cable
SKU: NSH-9313
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 47.99
• Only 2 remaining
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Arista HPE DCS-7260QX-64-F JH801A 64x 40GB QSFP+ 2x 10GB SFP+ F-B Air Switch
SKU: NSH-9548
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 276.99
• 9 in stock
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Cisco N3K-C3232C 32x 100GB QSFP28 2x 10GB SFP+ Front-to-Back Airflow Switch
SKU: NSB-7021
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 317.99
• Only 2 remaining
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Juniper QFX-SFP-DAC-7MA 7m 10GB SFP+ Direct Attach Copper Cable
SKU: NSH-9311
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 105.99
• 5 in stock
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Cisco N5K-C5624Q 12x 40GB QSFP+ 1x GEM Slot Back-to-Front Air Switch Chassis
SKU: NSH-4700
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 282.99
• Only 2 remaining
Call if you need more