Hello mwatarai,  I believe the attached VNXe Community discussion will provide an answer to this question:  [URL]#677495  Kind Regards  Graeme
Which switch would you choose when you use 10Gb on VNXe? i mean nice price one like VNXe.  And I also would like to know if 10Gb optical is released for VNXe at all in the future? 
VNXe 10G Switch