It can be seen that the ICs has been enclosed within the package 256-BBGA.There is a package named Tray which includes this module.Surface Mount is the way in which integrated circuit is mounted.The Multi-Queue Flow-Control type is available in many integrated circuits.Search the IDT72V51443 family for similar integrated circuit systems.
72V51443L7-5BBI Features
72V51443L7-5BBI Applications
There are a lot of Renesas Electronics America Inc. 72V51443L7-5BBI Specialized ICs applications.