Hello Dell-Dylan, Thanks for your response. The Lifecycle manager states the RAID controller is a PERC 730 mini. Not sure if that is the same as a PERC 730p. However, I just resolved the issue by deleting the Virtual Disk and create a new one as a RAID5 +1. I now have a Read and Write speed of 4 GB/s I am not sure why the server behaved like this with a RAID10 but a RAID5+1 works for me. I will look into your suggestion below in regards to switch the RAID controller mode into AHCI mode. Thank you Marcus
Hello, I really hope someone can help me on this board I bought two DELL PE 730xds with 16 SAS drives for my home lab. Firmware and software on both servers are on the latest and greatest. The RAID Controller P730 Mini is in RAID mode and I set all 16 disks up in a RAID10. I installed VMware ESXI 6.5 U3 on both servers and noticed right away that the write performance of my VMs is horrible. With horrible I mean Write: 394 MB/s and Read: 4.29 GB/s. This is a huge difference between the read and write performance. I played around with the read ad write cache policy but I dont see any difference.  What am I doing wrong here. I am did google the issue and also looked here in the forum but I dont seem to find a solution. Please help. Thank you Marcus 
Dell PE 730xd - P730 Mini RAID - slow write performance