Read speed
| Sequential read speed i | 7300 MB/s (17 others) |
| Random read speed i | 1200000 IOPS (7 others) |
Write speed
| Sequential write speed i | 6600 MB/s (11 others) |
| Random write speed i | 1100000 IOPS (5 others) |
Benchmarks
| Sequential write speed (userbenchmark) i | 4033MB/s |
| Sequential read speed (userbenchmark) i | 3909MB/s |
| Passmark result i | 56403 (1 other) |
General info
| Type i | M2 (200 others) |
| Ssd cache i | DRAM cache (158 others) |
| Is an nvme ssd i | ✔ (197 others) |
| Nvme version i | 1.4 (33 others) |
| Internal Storage i | 4000GB (47 others) |
| Release date i | 3 years ago07/20/2022 (3 others) |
| Controller i | WD Black G2 20-82-20035-B2 (3 others) |
| Ssd storage type i | TLC (180 others) |
| Pci express (pcie) version i | 4 (87 others) |
Similar products
Frequently Asked Questions
What is the sequential read speed (userbenchmark) of the Western Digital WD Black SN850X 4TB?
At 3909MB/s, the Western Digital WD Black SN850X 4TB ranks #2 out of 31 — see ranking ssd products — one of the Highest sequential read speed (userbenchmark) in this category, 58% above the category average.
How much storage does the Western Digital WD Black SN850X 4TB offer?
At 4000GB, the Western Digital WD Black SN850X 4TB is 92% above the category average for storage, ranking #8 out of 202 — see ranking ssd products.
What is the sequential write speed (userbenchmark) of the Western Digital WD Black SN850X 4TB?
At 4033MB/s, the Western Digital WD Black SN850X 4TB is 25% above the category average for sequential write speed (userbenchmark), ranking #6 out of 31 — see ranking ssd products.
What is the nvme version of the Western Digital WD Black SN850X 4TB?
At 1.4, the Western Digital WD Black SN850X 4TB is 24% below the category average for nvme version, ranking #96 out of 132 — see ranking ssd products.
What is the sequential read speed of the Western Digital WD Black SN850X 4TB?
At 7300 MB/s, the Western Digital WD Black SN850X 4TB is 21% below the category average for sequential read speed, ranking #119 out of 202 — see ranking ssd products.
What is the random write speed of the Western Digital WD Black SN850X 4TB?
At 1100000 IOPS, the Western Digital WD Black SN850X 4TB is 18% below the category average for random write speed, ranking #92 out of 155 — see ranking ssd products.
What is the sequential write speed of the Western Digital WD Black SN850X 4TB?
At 6600 MB/s, the Western Digital WD Black SN850X 4TB is 17% below the category average for sequential write speed, ranking #127 out of 202 — see ranking ssd products.
How does it compare?
How does the Western Digital WD Black SN850X 4TB's random write speed compare to similar ssdss?
At 1100000 IOPS, the Western Digital WD Black SN850X 4TB trails the Samsung 9100 Pro 4TB (2600000 IOPS) by 58%.
How does the Western Digital WD Black SN850X 4TB's sequential write speed compare to similar ssdss?
At 6600 MB/s, the Western Digital WD Black SN850X 4TB trails the Western Digital WD Black SN8100 4TB (14000 MB/s) by 53%.
How does the Western Digital WD Black SN850X 4TB's sequential read speed compare to similar ssdss?
At 7300 MB/s, the Western Digital WD Black SN850X 4TB trails the Western Digital WD Black SN8100 4TB (14900 MB/s) by 51%.
How does the Western Digital WD Black SN850X 4TB's random read speed compare to similar ssdss?
At 1200000 IOPS, the Western Digital WD Black SN850X 4TB trails the Western Digital WD Black SN8100 4TB (2300000 IOPS) by 48%.
How does the Western Digital WD Black SN850X 4TB's PassMark result compare to similar ssdss?
At 56,403, the Western Digital WD Black SN850X 4TB trails the Western Digital WD Black SN8100 4TB (90,689) by 38%.
How does the Western Digital WD Black SN850X 4TB's nvme version compare to similar ssdss?
At 1.4, the Western Digital WD Black SN850X 4TB trails the Western Digital WD Black SN8100 4TB (2) by 30%.
How does the Western Digital WD Black SN850X 4TB's PCIe version compare to similar ssdss?
At 4, the Western Digital WD Black SN850X 4TB trails the Western Digital WD Black SN8100 4TB (5) by 20%.