Raid 0 
… 
So last year I was buying up NVMe drives. I had 4x 9100 2tbs spare so I bought a Asus Hyper x gen 5 Card loaded it just for a laugh to see what numbers I could achieve with Raid 0 before listening to my sensible side and striping a Raid 5.
Pretty insane speeds 
So I wiped it and and striped a Raid 5 thinking it wouldn’t be too far behind on performance but was shocked at the performance difference. i was getting 32GB/s read but only like 8GB/s write, obvs came on the forum and read loads of posts of the problems with Raid 5 and Parity. So thought how else I could have redundancy on a Raid 0 set up and found Syncthing that worked on Windows & Truenas. Slight reservations with the ‘Free’ tag but finding that Truenas use it on their Enterprise solutions calmed me, excellent bit of software. I have it set up on my Connect 4 100gbit nics to the Truenas get about 40-50 g/bit so the sync is pretty quick. They say nothing in life is free but props going out to TrueNas and Syncthing for bucking the trend. 
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What platform is this on? Are you on a desktop cpu? or xeon/threadripper workstation? Or server chip?
The last time I tried doing true nvme raid on windows was with VROC and the performance was… acceptable. but not stellar. ZFS blew it out of the water.
Win 11 for Workstations, Threadripper & Raid Expert 2…
Truenas on my old Threadripper
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