TurboVS
Corsair MP700 Pro XT 1TB
Western Digital WD Black SN8100 4TB

Corsair MP700 Pro XT 1TB Western Digital WD Black SN8100 4TB

Common Features

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

Main Differences

  • • Random read speed is 1500000 IOPS on Corsair MP700 Pro XT 1TB and 2300000 IOPS on Western Digital WD Black SN8100 4TB.
  • • Sequential write speed is 14200 MB/s on Corsair MP700 Pro XT 1TB and 14000 MB/s on Western Digital WD Black SN8100 4TB.
  • • Random write speed is 3300000 IOPS on Corsair MP700 Pro XT 1TB and 2400000 IOPS on Western Digital WD Black SN8100 4TB.
  • • Internal storage is 1000GB on Corsair MP700 Pro XT 1TB and 4000GB on Western Digital WD Black SN8100 4TB.
  • • The controller is Phison PS5028-E28-86 on Corsair MP700 Pro XT 1TB and Silicon Motion SM2508 on Western Digital WD Black SN8100 4TB.
  • • Terabytes Written (TBW) is 700 on Corsair MP700 Pro XT 1TB and 2400 on Western Digital WD Black SN8100 4TB.
Specs Comparison
Corsair MP700 Pro XT 1TB

Corsair MP700 Pro XT 1TB

Western Digital WD Black SN8100 4TB

Western Digital WD Black SN8100 4TB

Read speed:
sequential read speed 14900 MB/s 14900 MB/s
random read speed 1500000 IOPS 2300000 IOPS

The Corsair MP700 Pro XT 1TB and Western Digital WD Black SN8100 4TB both offer impressive sequential read speeds of 14900 MB/s, so in this regard, they are identical. However, when it comes to random read performance, the two products show a clear difference. The Corsair MP700 Pro XT has a random read speed of 1,500,000 IOPS, while the Western Digital WD Black SN8100 outperforms it with a higher random read speed of 2,300,000 IOPS.

Overall, both drives excel in sequential read performance, but the Western Digital WD Black SN8100 offers a noticeable advantage in random read speed, with 800,000 more IOPS than the Corsair MP700 Pro XT.

This difference in random read speeds might be significant for certain high-performance use cases, though both drives are highly capable overall.

Write speed:
sequential write speed 14200 MB/s 14000 MB/s
random write speed 3300000 IOPS 2400000 IOPS

The Corsair MP700 Pro XT 1TB and Western Digital WD Black SN8100 4TB both offer very high write speeds, though with some differences. The Corsair MP700 Pro XT has a sequential write speed of 14,200 MB/s, while the Western Digital WD Black SN8100 is slightly slower with a sequential write speed of 14,000 MB/s.

In terms of random write speed, the Corsair MP700 Pro XT outpaces the Western Digital WD Black SN8100 by a significant margin. The Corsair drive offers a random write speed of 3,300,000 IOPS, whereas the Western Digital drive delivers 2,400,000 IOPS.

So while both drives offer impressive sequential write speeds, the Corsair MP700 Pro XT has a notable advantage in random write performance with 900,000 more IOPS than the Western Digital WD Black SN8100.

General info:
type M2 M2
SSD cache DRAM cache DRAM cache
Is an NVMe SSD ✓ ✓
NVMe version 2 2
internal storage 1000GB 4000GB
release date October 2025 May 2025
controller Phison PS5028-E28-86 Silicon Motion SM2508
SSD storage type TLC TLC
PCI Express (PCIe) version 5 5
Controller channels 8 8
Terabytes Written (TBW) 700 2400
warranty period 5 years 5 years
Has an integrated heatsink ✕ ✕
has RGB lighting ✕ ✕

Both the Corsair MP700 Pro XT 1TB and the Western Digital WD Black SN8100 4TB are M.2 NVMe SSDs with DRAM caches and PCIe Gen 5 support, making them similar in several core features. They both use TLC NAND flash for storage, and each drive features 8 controller channels. However, the drives differ significantly in storage capacity, with the Corsair MP700 Pro XT offering 1TB of internal storage, while the Western Digital WD Black SN8100 provides a much larger 4TB capacity.

In terms of durability, the Western Digital drive has a much higher Terabytes Written (TBW) rating of 2400, compared to the Corsair’s 700 TBW. Both drives come with a 5-year warranty, and neither includes an integrated heatsink or RGB lighting.

While both drives offer the same NVMe version (2.0) and similar controllers, the Corsair MP700 Pro XT’s smaller storage capacity and lower TBW rating may be factors to consider depending on your specific storage needs.

Comparison Summary

This is a specification comparison between Corsair MP700 Pro XT 1TB and Western Digital WD Black SN8100 4TB. Both models share the same type, DRAM cache, NVMe SSD support, and PCIe version 5. The Corsair MP700 Pro XT 1TB features a random read speed of 1500000 IOPS, while the Western Digital WD Black SN8100 4TB achieves 2300000 IOPS. Additionally, the Corsair model has a sequential write speed of 14200 MB/s, slightly outperforming the Western Digital model at 14000 MB/s. The internal storage is 1000GB on Corsair and 4000GB on Western Digital. The Corsair has a Terabytes Written of 700, compared to 2400 on the Western Digital model.