Your search for "QSFP-4X10G-AOC" revealed the following:

Cisco QSFP-4X10G-AOC1M 1m 1x 40GB QSFP+ to 4x 10GB SFP+ Breakout Cable

SKU: NSH-6039
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 77.99

$ 97.99

• 6 in stock
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NEW Cisco QSFP-4X10G-AOC10M 10m 1x 40GB QSFP+ to 4x 10GB SFP+ Breakout Cable

SKU: NSN-2782
Condition: New
Shipping: Overnight Options
Warranty: 365 days