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What’s the difference between the WD_BLACK SN750 and SN750 SE?

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Western Digital recently released the WD_BLACK SN750 SE. So, how does this new model stack up against the WD_BLACK SN750?

You can find out in this comparison guide between the two Western Digital solid state drives.

Quick Summary

When compared to the WD_BLACK SN750, the WD_BLACK SN750 SE is faster at maximum sequential reading and maximum random writing.

On the other hand, the WD_BLACK SN750 is faster than the WD_BLACK SN750 SE at maximum sequential writing.

For the maximum random reading speed, the 250 GB and 500 GB capacities of the WD_BLACK SN750 are faster than the 250 GB and 500 GB capacities of the WD_BLACK SN750 SE. On the other hand, the 1 TB WD_BLACK SN750 SE is faster than the WD_BLACK SN750.

The two solid state drives are identical when it comes to endurance, reliability, temperature ranges and warranty coverage.

WD_BLACK SN750 vs. WD_BLACK SN750 SE Comparison Chart

You can take a look at Seeking Tech’s comparison table for the two SN750 SSDs below.

WD_BLACK SN750 NVMe Solid State DriveWD_BLACK SN750 SE NVMe Solid State Drive
Capacity Options250 GB

500 GB

1 TB

2 TB

4 TB		250 GB

500 GB

1 TB
Form FactorM.2 2280M.2 2280
DimensionsLength: 80 mm (± 0.15 mm)

Width: 22 mm (± 0.15 mm)

Height: 2.38 mm		Length: 80 mm (± 0.15 mm)

Width: 22 mm (± 0.15 mm)

Height: 2.38 mm
Weight7.5 grams (± 1 grams)7.5 grams (± 1 grams)
InterfacePCIe Gen3 x4PCIe Gen4
Backwards Compatible InterfacePCIe Gen3 x2

PCIe Gen3 x1

PCIe Gen2 x4

PCIe Gen2 x2

PCIe Gen2 x1		PCIe Gen3 x2

PCIe Gen3 x1

PCIe Gen2 x4

PCIe Gen2 x2

PCIe Gen2 x1
Maximum Sequential Read Speed250 GB WD_BLACK SN750: Up to 3100 MB per second

500 GB WD_BLACK SN750: Up to 3430 MB per second

1 TB WD_BLACK SN750: Up to 3430 MB per second

2 TB WD_BLACK SN750: Up to 3400 MB per second

4 TB WD_BLACK SN750: Up to 3400 MB per second		250 GB WD_BLACK SN750 SE: Up to 3200 MB per second

500 GB WD_BLACK SN750 SE: Up to 3600 MB per second

1 TB WD_BLACK SN750 SE: Up to 3600 MB per second
Maximum Sequential Write Speed250 GB WD_BLACK SN750: Up to 1600 MB per second

500 GB WD_BLACK SN750: Up to 2600 MB per second

1 TB WD_BLACK SN750: Up to 3000 MB per second

2 TB WD_BLACK SN750: Up to 2900 MB per second

4 TB WD_BLACK SN750: Up to 3100 MB per second		250 GB WD_BLACK SN750 SE: Up to 1000 MB per second

500 GB WD_BLACK SN750 SE: Up to 2000 MB per second

1 TB WD_BLACK SN750 SE: Up to 2830 MB per second
Maximum Random Read Speed250 GB WD_BLACK SN750: Up to 220K IOPS

500 GB WD_BLACK SN750: Up to 420K IOPS

1 TB WD_BLACK SN750: Up to 515K IOPS

2 TB WD_BLACK SN750: Up to 480K IOPS

4 TB WD_BLACK SN750: Up to 550K IOPS		250 GB WD_BLACK SN750 SE: Up to 190K IOPS

500 GB WD_BLACK SN750 SE: Up to 360K IOPS

1 TB WD_BLACK SN750 SE: Up to 525K IOPS
Maximum Random Write Speed250 GB WD_BLACK SN750: Up to 180K IOPS

500 GB WD_BLACK SN750: Up to 380K IOPS

1 TB WD_BLACK SN750: Up to 560K IOPS

2 TB WD_BLACK SN750: Up to 550K IOPS

4 TB WD_BLACK SN750: Up to 520K IOPS		250 GB WD_BLACK SN750 SE: Up to 240K IOPS

500 GB WD_BLACK SN750 SE: Up to 480K IOPS

1 TB WD_BLACK SN750 SE: Up to 640K IOPS
Endurance (TBW)250 GB WD_BLACK SN750: 200 TBW

500 GB WD_BLACK SN750: 300 TBW

1 TB WD_BLACK SN750: 600 TBW

2 TB WD_BLACK SN750: 1200 TBW

4 TB WD_BLACK SN750: 2400 TBW		250 GB WD_BLACK SN750 SE: 200 TBW

500 GB WD_BLACK SN750 SE: 300 TBW

1 TB WD_BLACK SN750 SE: 600 TBW
Reliability (MTTF)1,750,000 hours1,750,000 hours
Operating Temperature Range32°F to 158°F (or 0°C to 70°C)32°F to 158°F (or 0°C to 70°C)
Non-Operating Temperature Range-67°F to 185°F (-55°C to 85°C)-67°F to 185°F (-55°C to 85°C)
Limited Warranty5-year limited warranty5-year limited warranty
PricingCheck price on Amazon.(#CommissionsEarned)Check price on Amazon.(#CommissionsEarned)

Capacity Options

The WD_BLACK SN750 is currently available in five capacity options while the newer WD_BLACK SN750 SE comes in three capacities.

You can find the capacity options for both solid state drives below:

WD_BLACK SN750:

  • 250 GB
  • 500 GB
  • 1 TB
  • 2 TB
  • 4 TB

WD_BLACK SN750 SE:

  • 250 GB
  • 500 GB
  • 1 TB

Model Numbers

You can take a look at the model numbers associated with each capacity of the internal storage drives below:

  • 250 GB WD_BLACK SN750: WDS250G3X0C
  • 500 GB WD_BLACK SN750: WDS500G3X0C
  • 1 TB WD_BLACK SN750: WDS100T3X0C
  • 2 TB WD_BLACK SN750: WDS200T3X0C
  • 4 TB WD_BLACK SN750: WDS400T3X0C
  • 250 GB WD_BLACK SN750 SE: WDS250G1B0E
  • 500 GB WD_BLACK SN750 SE: WDS500G1B0E
  • 1 TB WD_BLACK SN750 SE: WDS100T1B0E

Form Factor

Both the WD_BLACK SN750 and WD_BLACK SN750 SE use the M.2 2280 form factor.

Dimensions

The two Western Digitals are around the same when it comes to physical size.

You can find the length, width and height measurements below:

  • Length: 80 mm (± 0.15 mm)
  • Width: 22 mm (± 0.15 mm)
  • Height: 2.38 mm

Weight

The two internal storage drives should also weigh the same, which is around 7.5 grams (± 1 grams).

Interface

When it comes to the interface, the WD_BLACK SN750 utilizes PCIe Gen3 x4 while the WD_BLACK SN750 SE utilizes PCIe Gen4.

Backwards Compatible Interface

The two Samsung solid state drives are also backwards compatible with the following interfaces:

  • PCIe Gen3 x2
  • PCIe Gen3 x1
  • PCIe Gen2 x4
  • PCIe Gen2 x2
  • PCIe Gen2 x1

Maximum Sequential Read Speed

When you compare the same capacity, the 250 GB WD_BLACK SN750 SE is 100 MB per second faster, or 3.23% faster, than the 250 GB WD_BLACK SN750 at maximum sequential reading.

The 500 GB and 1 TB WD_BLACK SN750 SE SSDs are also 170 MB per second faster, or 4.96% faster, than the 500 GB and 1 TB WD_BLACK SN750 SSDs.

You can take a look at the maximum sequential read speeds below:

  • 250 GB WD_BLACK SN750: Up to 3100 MB per second
  • 500 GB WD_BLACK SN750: Up to 3430 MB per second
  • 1 TB WD_BLACK SN750: Up to 3430 MB per second
  • 2 TB WD_BLACK SN750: Up to 3400 MB per second
  • 4 TB WD_BLACK SN750: Up to 3400 MB per second
  • 250 GB WD_BLACK SN750 SE: Up to 3200 MB per second
  • 500 GB WD_BLACK SN750 SE: Up to 3600 MB per second
  • 1 TB WD_BLACK SN750 SE: Up to 3600 MB per second

Maximum Sequential Write Speed

On the other hand, the 250 GB WD_BLACK SN750 is 600 MB per second faster, or 60% faster, than the WD_BLACK SN750 SE at maximum sequential writing.

Furthermore, the 500 GB WD_BLACK SN750 is 600 MB per second faster, or 30% faster, than the 500 GB WD_BLACK SN750.

Lastly, the 1 TB WD_BLACK SN750 is 170 MB per second faster, or 6.01% faster, than the 1 TB WD_BLACK SN750 SE.

You can find the maximum sequential write speeds below:

  • 250 GB WD_BLACK SN750: Up to 1600 MB per second
  • 500 GB WD_BLACK SN750: Up to 2600 MB per second
  • 1 TB WD_BLACK SN750: Up to 3000 MB per second
  • 2 TB WD_BLACK SN750: Up to 2900 MB per second
  • 4 TB WD_BLACK SN750: Up to 3100 MB per second
  • 250 GB WD_BLACK SN750 SE: Up to 1000 MB per second
  • 500 GB WD_BLACK SN750 SE: Up to 2000 MB per second
  • 1 TB WD_BLACK SN750 SE: Up to 2830 MB per second

Maximum Random Read Speed

For the maximum random reading speed, the 250 GB WD_BLACK SN750 is 30K IOPS faster, or 15.79% faster, than the 250 GB WD_BLACK SN750 SE.

The 500 GB WD_BLACK SN750 is also 60K IOPS faster, or 16.67% faster, than the 500 GB WD_BLACK SN750 SE.

On the other hand, the 1 TB WD_BLACK SN750 SE is 10K IOPS faster, or 1.94% faster, than the 1 TB WD_BLACK SN750.

You can check out the maximum random read speeds below:

  • 250 GB WD_BLACK SN750: Up to 220K IOPS
  • 500 GB WD_BLACK SN750: Up to 420K IOPS
  • 1 TB WD_BLACK SN750: Up to 515K IOPS
  • 2 TB WD_BLACK SN750: Up to 480K IOPS
  • 4 TB WD_BLACK SN750: Up to 550K IOPS
  • 250 GB WD_BLACK SN750 SE: Up to 190K IOPS
  • 500 GB WD_BLACK SN750 SE: Up to 360K IOPS
  • 1 TB WD_BLACK SN750 SE: Up to 525K IOPS

Maximum Random Write Speed

When it comes to maximum random writing, the 250 GB WD_BLACK SN750 SE is 60K IOPS faster, or 33.33% faster, than the 250 GB WD_BLACK SN750 SE.

Moreover, the 500 GB WD_BLACK SN750 SE is 100 K IOPS faster, or 26.32% faster, than the 500 GB WD_BLACK SN750.

Finally, the 1 TB WD_BLACK SN750 SE is 80K IOPS faster, or 14.29% faster, than the 1 TB WD_BLACK SN750.

You can find the random write speeds below:

  • 250 GB WD_BLACK SN750: Up to 180K IOPS
  • 500 GB WD_BLACK SN750: Up to 380K IOPS
  • 1 TB WD_BLACK SN750: Up to 560K IOPS
  • 2 TB WD_BLACK SN750: Up to 550K IOPS
  • 4 TB WD_BLACK SN750: Up to 520K IOPS
  • 250 GB WD_BLACK SN750 SE: Up to 240K IOPS
  • 500 GB WD_BLACK SN750 SE: Up to 480K IOPS
  • 1 TB WD_BLACK SN750 SE: Up to 640K IOPS

Endurance

The two Western Digital internal storage drives in this comparison have the same endurance specs, which you can find below:

  • 250 GB WD_BLACK SN750: 200 TBW
  • 500 GB WD_BLACK SN750: 300 TBW
  • 1 TB WD_BLACK SN750: 600 TBW
  • 2 TB WD_BLACK SN750: 1200 TBW
  • 4 TB WD_BLACK SN750: 2400 TBW
  • 250 GB WD_BLACK SN750 SE: 200 TBW
  • 500 GB WD_BLACK SN750 SE: 300 TBW
  • 1 TB WD_BLACK SN750 SE: 600 TBW

Reliability

When it comes to reliability, the WD_BLACK SN750 and WD_BLACK SN750 SE have the same Mean Time to Failure (MTTF) rating of 1,750,000 hours.

Operating Temperature Range

The two SSDs have the same recommended operating temperature range, which is from 32°F to 158°F (or 0°C to 70°C).

Non-Operating Temperature Range

During non-operation, these storage drives should be within a temperature range of -67°F to 185°F (-55°C to 85°C).

Limited Warranty

The Western Digital WD_BLACK SN750 NVMe Solid State Drive and Western Digital WD_BLACK SN750 SE NVMe Solid State Drive each comes with a 5-year limited warranty.

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