Your search for "mma1t00-vs" revealed the following:
Nvidia Mellanox MMA1T00-VS 200GB BASE-SR4 850nm MPO QSFP56 Transceiver
SKU: NSB-3084
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 133.99
• 99 in stock
Call if you need more
NEW Mellanox MMA1T00-VS 200GB BASE-SR4 850nm MPO QSFP56 Transceiver
SKU: NSN-8607
Condition: New
Shipping: Overnight Options
Warranty: 365 days