Your search for "mcx653105a-hdat" revealed the following:
NEW nVidia Mellanox MCX653105A-HDAT 1x 200GB QSFP56 PCIe3.0/4.0 x16 NIC
SKU: NSN-1125
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,028.99
• 49 in stock
Call if you need more
nVidia Mellanox MCX653105A-HDAT 1x 200GB QSFP56 PCIe3.0/4.0 x16 NIC
SKU: NSC-0037
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 763.99
• 40 in stock
Call if you need more