Couple different types the all their fabric interconnects are the6120 is in a 61-48 so this is the first and UCS fabric interconnects on you can see that they have different they were slower in terms of latency as they supported one in 10 Gigabit Ethernet and then they had a gem module to support the Fiber Channel connections coming into it the newer or standard adviser to 62-48 6296 models this is the one rack unit 2 lacuna a models you can see that it at 1200 now seconds faster I'm it also…