TurboVS
Lexar NM1090 Pro 2TB
Western Digital WD Black SN8100 1TB

Lexar NM1090 Pro 2TB Western Digital WD Black SN8100 1TB

Common Features

  • ✓ Both products are M.2 type SSDs.
  • ✓ Both products have DRAM cache.
  • ✓ Both products are NVMe SSDs.
  • ✓ Both products support NVMe version 2.
  • ✓ Both products use Silicon Motion SM2508 controller.
  • ✓ Both products use TLC storage type.
  • ✓ Both products support PCI Express version 5.
  • ✓ Both products have 8 controller channels.

Main Differences

  • • Sequential read speed is 12000 MB/s on Lexar NM1090 Pro 2TB and 14900 MB/s on Western Digital WD Black SN8100 1TB.
  • • Random read speed is 2100000 IOPS on Lexar NM1090 Pro 2TB and 1600000 IOPS on Western Digital WD Black SN8100 1TB.
  • • Random write speed is 1800000 IOPS on Lexar NM1090 Pro 2TB and 2400000 IOPS on Western Digital WD Black SN8100 1TB.
  • • PassMark result is 72554 on Lexar NM1090 Pro 2TB and 79571 on Western Digital WD Black SN8100 1TB.
  • • Internal storage is 2000GB on Lexar NM1090 Pro 2TB and 1000GB on Western Digital WD Black SN8100 1TB.
  • • Terabytes Written (TBW) is 1400 on Lexar NM1090 Pro 2TB and 600 on Western Digital WD Black SN8100 1TB.
  • • MTBF is 1.5 million hours on Lexar NM1090 Pro 2TB and 1.8 million hours on Western Digital WD Black SN8100 1TB.
Specs Comparison
Lexar NM1090 Pro 2TB

Lexar NM1090 Pro 2TB

Western Digital WD Black SN8100 1TB

Western Digital WD Black SN8100 1TB

Read speed:
sequential read speed 12000 MB/s 14900 MB/s
random read speed 2100000 IOPS 1600000 IOPS

When comparing the read speeds of the Lexar NM1090 Pro 2TB and the Western Digital WD Black SN8100 1TB, there are differences in both sequential and random read performance. The Lexar NM1090 Pro offers a sequential read speed of 12000 MB/s and a random read speed of 2100000 IOPS. In contrast, the WD Black SN8100 has a higher sequential read speed of 14900 MB/s but a lower random read speed of 1600000 IOPS.

The sequential read speeds clearly show a performance edge for the WD Black SN8100 with a difference of 2900 MB/s, while the random read speeds favor the Lexar NM1090 Pro with an advantage of 500000 IOPS.

In summary, while the WD Black SN8100 excels in sequential read speeds, the Lexar NM1090 Pro pulls ahead in random read speeds, highlighting the different strengths of each product depending on the specific read performance needed.

Write speed:
sequential write speed 11000 MB/s 11000 MB/s
random write speed 1800000 IOPS 2400000 IOPS

When comparing the write speeds of the Lexar NM1090 Pro 2TB and the Western Digital WD Black SN8100 1TB, both products offer the same sequential write speed of 11000 MB/s. This means there is no difference between them in terms of sequential write performance.

However, when it comes to random write speed, the WD Black SN8100 has an advantage, offering a higher rate of 2400000 IOPS compared to the Lexar NM1090 Pro’s 1800000 IOPS. This indicates that the WD Black SN8100 performs better in random write operations.

In conclusion, while both drives deliver the same sequential write speeds, the WD Black SN8100 stands out with its superior random write performance.

Benchmarks:
PassMark result 72554 79571

In terms of benchmark performance, the Lexar NM1090 Pro 2TB and the Western Digital WD Black SN8100 1TB differ in their PassMark results. The Lexar NM1090 Pro has a PassMark result of 72554, while the WD Black SN8100 scores higher at 79571.

This difference in PassMark scores suggests that the WD Black SN8100 performs better overall in the benchmark tests provided, with a score that exceeds the Lexar NM1090 Pro by 7017 points.

To summarize, the WD Black SN8100 shows a stronger performance in the PassMark benchmark compared to the Lexar NM1090 Pro.

General info:
type M2 M2
SSD cache DRAM cache DRAM cache
Is an NVMe SSD ✓ ✓
NVMe version 2 2
internal storage 2000GB 1000GB
release date April 2025 May 2025
controller Silicon Motion SM2508 Silicon Motion SM2508
SSD storage type TLC TLC
PCI Express (PCIe) version 5 5
Controller channels 8 8
Terabytes Written (TBW) 1400 600
MTBF 1.5million hours 1.8million hours
warranty period 5 years 5 years
Has an integrated heatsink ✕ ✕
has RGB lighting ✕ ✕

Looking at the general specifications of the Lexar NM1090 Pro 2TB and the Western Digital WD Black SN8100 1TB, both drives share several key features. Both are M.2 NVMe SSDs with DRAM cache, support PCIe 5.0, and use TLC NAND storage. They also share the same NVMe version (2.0), and both feature an 8-channel controller, the Silicon Motion SM2508.

Where the two products differ is in their internal storage capacities, with the Lexar NM1090 Pro offering 2000GB of storage compared to the WD Black SN8100's 1000GB. The Lexar drive also has a higher Terabytes Written (TBW) rating, at 1400TB, while the WD Black SN8100 is rated for 600TB. Additionally, the Lexar has a slightly lower MTBF (Mean Time Between Failures) of 1.5 million hours, compared to the WD Black SN8100's 1.8 million hours.

Both drives come with a 5-year warranty and neither features an integrated heatsink or RGB lighting. Overall, the Lexar NM1090 Pro offers more storage and a higher TBW rating, while the WD Black SN8100 offers a slightly higher MTBF.

Comparison Summary

This is a specification comparison between Lexar NM1090 Pro 2TB and Western Digital WD Black SN8100 1TB. Both products are M.2 type SSDs with DRAM cache, and are NVMe SSDs supporting PCIe version 5. The sequential read speed of Lexar NM1090 Pro 2TB is 12000 MB/s, while Western Digital WD Black SN8100 1TB offers 14900 MB/s. The internal storage is 2000GB on the Lexar model and 1000GB on the Western Digital model. In terms of Terabytes Written (TBW), Lexar NM1090 Pro 2TB offers 1400, compared to 600 on Western Digital WD Black SN8100 1TB. Additionally, MTBF is 1.5 million hours for Lexar and 1.8 million hours for Western Digital.