Your search for "mcx653105a-ecat" revealed the following:
nVidia Mellanox MCX653105A-ECAT ConnectX-6 1x 100GB QSFP56 PCIe3.0 4.0 NIC
SKU: NSB-9153
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 415.99
• 49 in stock
Call if you need more
NEW nVidia Mellanox MCX653105A-ECAT ConnectX-6 1x 100GB QSFP56 PCIe3.0 4.0 NIC
SKU: NSN-1105
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 704.99
• Only 2 remaining
Call if you need more