Your search for "MC2210511-LR4" revealed the following:
NEW Nvidia Mellanox MC2210511-LR4 40GB BASE-LR4 1310nm SMF LC QSFP+ Transceiver
SKU: NSN-8602
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Nvidia Mellanox MC2210511-LR4 40GB BASE-LR4 1310nm SMF LC QSFP+ Transceiver
SKU: NSB-3077
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days