Here are the details as shown by mlnxfwmanager.
Device Type: ConnectX5
Part Number: MCX556A-ECA_Ax
Description: ConnectX-5 VPI adapter card; EDR IB (100Gb/s) and 100GbE; dual-port QSFP28; PCIe3.0 x16; tall bracket; ROHS R6
PSID: MT_0000000008
PCI Device Name: mt4119_pciconf0
Base GUID: b8599f0300c65b8a
Versions: Current Available
FW 16.24.1000 N/A
PXE 3.5.0603 N/A
UEFI 14.17.0011 N/A