Your search for "mqm9790" revealed the following:
nVidia Mellanox MQM9790-NS2F 64x 400GB NDR 32x OSFP Unmanaged B-F (P2C) Switch
SKU: NSB-9014
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 16,481.99
• 7 in stock
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NEW nVidia Mellanox MQM9790-NS2F 64x 400GB NDR 32x OSFP Unmanaged B-F Switch
SKU: NSN-1031
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 22,994.99
• Only 1 remaining
Call if you need more