NEW - Mellanox MCX556A-EDAM ConnectX-5 Ex VPI Adapter Card EDR IB and 100GbE Dual-Port QSFP28 PCIe4.0 x16 Tall Bracket ROHS R6 (similar to generic OPN MCX556A-EDAT)
 
Product Line: Connect X-3 Pro
Interfaces/Ports: dual   
Connector Type:  QSFP28/QSFP+/QSFP
Expansion Slot Type:  QSFP   
Product Name: Connect X-3 Pro Single-Port Adapter
MPN: MCX556A-EDAM
Product Type:  InfiniBand/ Network Cards
Brand: Mellanox Technologies
Model: MCX556A-EDAM
Compatible Port/Slot: PCI Express     
PCI: PCIe4.0 x16
Max Speed: EDR & 100GbE
 
MCX556a-EDAM similar to generic OPN MCX556A-EDAT with PTP support:
PTP support - Precision Time Protocol   network-based time synchronization standard 
 
 
PTP: protocol aligning the host time to an external clock
 
The external clock is called “Grand Master”
 
The Grand Master distributes the time over the network 
 
Synchronization is based on symmetric Round-Trip-Time (RTT) between the master and the slave
 
Pls. See Pictures