TurboVS
Samsung 9100 Pro 2TB
Western Digital WD Black SN8100 1TB

Samsung 9100 Pro 2TB Western Digital WD Black SN8100 1TB

Common Features

  • ✓ Both products are M2 type SSDs.
  • ✓ Both products have DRAM cache.
  • ✓ Both products are NVMe SSDs.
  • ✓ Both products support NVMe version 2.
  • ✓ Both products use TLC SSD storage type.
  • ✓ Both products support PCIe version 5.
  • ✓ Both products have 8 controller channels.
  • ✓ Both products come with a 5-year warranty period.

Main Differences

  • • Sequential read speed is 14700 MB/s on Samsung 9100 Pro 2TB and 14900 MB/s on Western Digital WD Black SN8100 1TB.
  • • Random read speed is 1850000 IOPS on Samsung 9100 Pro 2TB and 1600000 IOPS on Western Digital WD Black SN8100 1TB.
  • • Sequential write speed is 13400 MB/s on Samsung 9100 Pro 2TB and 11000 MB/s on Western Digital WD Black SN8100 1TB.
  • • Random write speed is 2600000 IOPS on Samsung 9100 Pro 2TB and 2400000 IOPS on Western Digital WD Black SN8100 1TB.
  • • Internal storage is 2000GB on Samsung 9100 Pro 2TB and 1000GB on Western Digital WD Black SN8100 1TB.
  • • Controller is Samsung Presto (S4LY027) on Samsung 9100 Pro 2TB and Silicon Motion SM2508 on Western Digital WD Black SN8100 1TB.
  • • Terabytes Written (TBW) is 1200 on Samsung 9100 Pro 2TB and 600 on Western Digital WD Black SN8100 1TB.
  • • MTBF is 1.5 million hours on Samsung 9100 Pro 2TB and 1.8 million hours on Western Digital WD Black SN8100 1TB.
Specs Comparison
Samsung 9100 Pro 2TB

Samsung 9100 Pro 2TB

Western Digital WD Black SN8100 1TB

Western Digital WD Black SN8100 1TB

Read speed:
sequential read speed 14700 MB/s 14900 MB/s
random read speed 1850000 IOPS 1600000 IOPS

The Samsung 9100 Pro 2TB and Western Digital WD Black SN8100 1TB differ slightly in their read speeds. The Samsung drive offers a sequential read speed of 14,700 MB/s, while the Western Digital drive is slightly faster with a sequential read speed of 14,900 MB/s.

For random read speeds, the Samsung 9100 Pro 2TB outperforms the WD Black SN8100 1TB, offering a significantly higher rate of 1,850,000 IOPS compared to the Western Digital drive’s 1,600,000 IOPS.

Overall, while the two products are fairly close in terms of sequential read speeds, the Samsung drive has a clear advantage in random read performance.

Write speed:
sequential write speed 13400 MB/s 11000 MB/s
random write speed 2600000 IOPS 2400000 IOPS

The Samsung 9100 Pro 2TB and Western Digital WD Black SN8100 1TB both offer impressive write speeds, but with noticeable differences. The Samsung drive has a sequential write speed of 13,400 MB/s, which is faster than the Western Digital’s sequential write speed of 11,000 MB/s.

In terms of random write speed, the Samsung 9100 Pro 2TB also leads with a performance of 2,600,000 IOPS, compared to the Western Digital drive’s 2,400,000 IOPS.

Overall, the Samsung 9100 Pro 2TB demonstrates higher sequential and random write speeds than the Western Digital WD Black SN8100 1TB in this comparison.

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 February 2025 May 2025
controller Samsung Presto (S4LY027) Silicon Motion SM2508
SSD storage type TLC TLC
PCI Express (PCIe) version 5 5
Controller channels 8 8
Terabytes Written (TBW) 1200 600
MTBF 1.5million hours 1.8million hours
warranty period 5 years 5 years
Has an integrated heatsink ✕ ✕
has RGB lighting ✕ ✕

Both the Samsung 9100 Pro 2TB and Western Digital WD Black SN8100 1TB are M.2 NVMe SSDs with DRAM cache and utilize TLC storage type. The Samsung drive offers 2TB of internal storage, while the Western Digital drive has half the capacity at 1TB.

In terms of NVMe version and PCIe, both drives support NVMe version 2 and PCIe version 5, ensuring high-speed data transfer. They also share the same number of controller channels, 8. However, the controllers differ: the Samsung drive uses the Samsung Presto (S4LY027) controller, while the Western Digital drive uses the Silicon Motion SM2508 controller.

The Samsung drive has a Terabytes Written (TBW) rating of 1200, double that of the Western Digital drive, which is rated for 600 TBW. Additionally, the Samsung drive has a mean time between failures (MTBF) of 1.5 million hours, while the WD drive has a slightly higher MTBF of 1.8 million hours. Both drives offer a 5-year warranty, and neither has an integrated heatsink or RGB lighting.

Comparison Summary

This is a specification comparison between Samsung 9100 Pro 2TB and Western Digital WD Black SN8100 1TB. Both products are M2 type SSDs with DRAM cache, support NVMe version 2, and have PCIe version 5. However, they differ in several key areas. The sequential read speed is 14700 MB/s on the Samsung 9100 Pro 2TB and 14900 MB/s on the Western Digital WD Black SN8100 1TB. The sequential write speed is 13400 MB/s on the Samsung 9100 Pro 2TB and 11000 MB/s on the Western Digital WD Black SN8100 1TB. The internal storage is 2000GB on the Samsung 9100 Pro 2TB and 1000GB on the Western Digital WD Black SN8100 1TB. Additionally, the Samsung 9100 Pro 2TB has a TBW of 1200, while the Western Digital WD Black SN8100 1TB has a TBW of 600.