It might not be the fastest PCIe 4 SSD going, but the WD Black SN850X is still very fast and well priced compared to the latest competition.
WD Black SN850X review
WD Black SN850X SSD review: Face-meltingly fast
Western Digital WD_Black SN850X 2TB SSD Review - BiCS 5 Powerhouse
WD Black SN850X Review
WD SN850X review: A great all-rounder
Western Digital Black SN850X 2TB Benchmarks Review WDS200T2XHE
WD BLACK SN850X SSD Review
WD Black SN850X 2TB SSD review: consistently rapid
The WD Black SN850 SSD Review in 2022 – NAS Compares