Mainstream SSDs are getting faster and faster. Mushkin announced the NVMe M.2 SSD "PILOT-E" series, which supports high-speed data transfer of up to 3,500 MB/sec .... Mushkin offers PILOT-E series NVMe M.2 SSD at up to 3,500MB/sec
SX8200 Pro already has these speeds for quite some time, it has the same controller from SMI. Much cheaper than Mushkin too.