Your search for "hpe 40gb qsfp+ direct attach" revealed the following:
Arista DCS-7050TX-64-F 48x 10GB Copper 4x 40GB QSFP+ Front-to-Back Air Switch
SKU: NSH-7078
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 459.99
• 7 in stock
Call if you need more
Arista DCS-7050QX2-32S-F 32x 40GB QSFP+ 4x 10GB SFP+ Front-to-Back Air Switch
SKU: NSH-8197
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 439.99
• 4 in stock
Call if you need more
NEW Juniper QFX5100-96S-DC-AFI 96x 10GB SFP+ 8x 40GB QSFP+ B-F Air (DC) Switch
SKU: NSN-2380
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 2,291.99
• Only 2 remaining
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NEW Cisco C9500-24Q-A Catalyst 9500 24x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSN-3560
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,267.99
• Only 2 remaining
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Juniper QFX5100-96S-AFO 96x 10GB SFP+ 8x 40GB QSFP+ Front-to-Back Airflow Switch
SKU: NSH-6175
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 911.99
• 7 in stock
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NEW Arista DCS-7250QX-64-R 64x 40GB QSFP+ Back-to-Front Airflow Switch
SKU: NSN-2510
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 674.99
• Only 1 remaining
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Fortinet FS-548D-FPOE 48x PoE+ RJ45 4x SFP+ 2x QSFP+ Local Manage Only Switch
SKU: NSB-1401
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 817.99
• Only 2 remaining
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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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Juniper EX9200-6QS 6x 40GB QSFP+ Switch Line Card
SKU: NSH-9364
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 3,599.99
• Only 2 remaining
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Nvidia Mellanox MCP1600-C00AE30N 0.5m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSB-2904
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 192.99
• 35 in stock
Call if you need more