with VROC or the Threadripper equivalent NVME CPU RAID, you can get 7Gbps read speed from a RAID5. Thats DDR2 speed.
Unless you truly need DDR4 speeds, I would think you would be better off for your money using CPU Raid and NVME. More drives, more speed. One guy used 8 drives and got 28Gbps.
Unless you truly need DDR4 speeds, I would think you would be better off for your money using CPU Raid and NVME. More drives, more speed. One guy used 8 drives and got 28Gbps.
https://i.imgur.com/AuCWq3r.jpg