How do I know what fiber cable I need to buy?

I'm looking at a Mellanox NIC that comes with two transceivers. I can't seem to find any info easily about them so I'll just put what text I can see on them below.

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Mellanox

MFM1T02A-SR

FTLX8571D3BCL-ME

Class 1.21 CFR1040.10

LN#50