There are 4 different IO types the FA can perform, each has different performance characteristics.  They are read hit, read miss, overwrite data in cache, and write to new slot.  Also the IO size will make a big difference.  So there is not one answer, unless all you want to know is the maximum possible IO rate on the FA, which is with small block read hits.
 Hello all,   I have read the VMAX 10k specs guide however I haven't been able to find a clear answer.  [URL]  What is the max IOPS for a VMAX 10k engine with 10Gb iSCSI front end ports? When we were doing our implementation I could have swore that they stated 20K total, which meant don't run more than 10k for N+1 purposes.  However I was having a conversation with a co-worker and he stated he thought he read that each port was 5000 I/OPS which with 8 ports translates into 40,000 I/OPS per engine.   Thank you kindly,Steven
I/OPS per VMAX 10K Engine