Your search for "dac-qsfp-40g-1m" revealed the following:
Cisco QSFP-H40G-CU3M 3m 40GB QSFP+ Direct Attach Copper Cable
SKU: NSH-5409
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 43.99
• Only 2 remaining
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NEW Cisco QSFP-H40G-AOC10M 10m 40GB QSFP+ Active Optical Cable
SKU: NSN-5128
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 531.99
• Only 2 remaining
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NEW Cisco QSFP-H40G-CU0-5M 0.5m 40GB QSFP+ Direct Attach Copper Cable
SKU: NSN-7375
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 223.99
• 10 in stock
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NEW Juniper EX-QSFP-40GE-DAC-50CM 50cm 40GB QSFP+ Direct Attach Copper Cable
SKU: NSN-7761
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 68.99
• Only 2 remaining
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Arista CAB-Q-Q-100G-2M 2m 100GB QSFP28 Direct Attach Cable
SKU: NSB-5249
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 119.99
• Only 1 remaining
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Arista CAB-Q-Q-100G-0.5 0.5m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSB-5246
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 166.99
• Only 1 remaining
Call if you need more
NEW Juniper QFX-QSFP-DAC-1M 1m 40GB QSFP+ Direct Attach Copper Cable
SKU: NSN-5826
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Arista CAB-Q-Q-1M 1m 40 Gigabit BASE-CR4 QSFP+ Twinax Copper Cable
SKU: NSB-5294
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Arista CAB-Q-Q-1M 1m 40 Gigabit BASE-CR4 QSFP+ Twinax Copper Cable
SKU: NSN-7243
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW HPE 720196-B21 1m 40GB QSFP+ Direct Attach Copper Cable
SKU: NSN-6249
Condition: New
Shipping: Overnight Options
Warranty: 365 days