Your search for "MFA1A00-C" revealed the following:
nVidia Mellanox MCP1600-E02AE26 2.5m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSB-4601
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 64.99
• Only 2 remaining
Call if you need more
NEW nVidia Mellanox MCP1600-E02AE26 2.5m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSN-1124
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 68.99
• Only 2 remaining
Call if you need more
nVidia Mellanox MCP1600-E001E30 1m (3ft) 100GB QSFP28 Passive DAC Cable
SKU: NSB-4592
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days