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
• 6 in stock
Call if you need more
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