Your search for "qsfp" revealed the following:
HPE R0Y48A FM 2072 6x 40GB QSFP 48x 10GB SFP+ F-B Airflow Switch Fabric Module
SKU: NSB-5624
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,739.99
• Only 1 remaining
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Cisco N9K-C9396PX 48x 10GB SFP+ 12x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSB-6881
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 198.99
• Only 2 remaining
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Cisco N3K-C3132Q-XL 32x 40GB QSFP+ Back-to-Front Airflow Switch
SKU: NSH-4696
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 479.99
• 7 in stock
Call if you need more
Cisco N9K-C9372PX-E 48x 10GB SFP+ 6x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSB-6921
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 229.99
• Only 2 remaining
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Finisar FTL410QD2C 40GB BASE-SR4 QSFP+ Transceiver
SKU: NSB-0889
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• Only 2 remaining
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Cisco N3K-C3016Q-40GE Nexus 3000 16x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSB-6933
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 539.99
• Only 2 remaining
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Arista DCS-7250QX-64-R 64x 40GB QSFP+ Back-to-Front Airflow Switch
SKU: NSH-7477
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 331.99
• Only 2 remaining
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HPE JH232A 40GB BASE-LR4 LC SM QSFP+ Transceiver
SKU: NSH-4179
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 329.99
• Only 1 remaining
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Fortinet FS-524D 24x 1GB RJ45 4x SFP+ 2x QSFP+ Local Management Only Switch
SKU: NSB-1398
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,314.99
• Only 1 remaining
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Cisco N3K-C3132Q-V 32x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSB-6967
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 229.99
• Only 2 remaining
Call if you need more