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FireCuda 530 vs. WD_Black SN850

The FireCuda 530 and WD_Black SN850 are two of the fastest M.2 2280 solid state drives currently available.

You can check out this comparison guide at Seeking Tech to see what the major differences are between these Seagate and Western Digital SSDs.

Quick Summary

In terms of maximum sequential reading, the 1 TB and 2 TB FireCuda 530 SSDs are faster than the 1 TB and 2 TB WD_Black SN850 SSDs. The 500 GB versions of both products have the same top sequential read speeds.

For maximum sequential writing, the WD_Black SN850 is faster at the 500 GB capacity while the FireCuda 530 is faster at the 1 TB and 2 TB capacities.

When it comes to maximum random reading, the WD_Black SN850 is faster at the 500 GB and 1 TB capacities. The 2 TB version of both have the same top random read speeds.

As for maximum random writing, the FireCuda 530 is faster at all capacities.

The Seagate FireCuda 530 also has much better endurance than he Western Digital WD_Black SN850. On the other hand, the WD_Black SN850 can tolerate colder extreme temperatures during non-operation.

Both storage drives have the same operating temperature range and warranty coverage length.

If you are interested, you can purchase either of the aforementioned SSDs on Amazon with the following links:

You can also see how the FireCuda 530 compares to the FireCuda 520 with this guide.

FireCuda 530 vs. WD_Black SN850 Comparison Chart

You can take a look at Seeking Tech’s comparison table for the FireCuda 530 and WD_Black SN850 below.

 Seagate FireCuda 530 Solid State DriveWestern Digital WD_Black SN850 Solid State Drive
Capacity Options500 GB

1 TB

2 TB

4 TB
500 GB

1 TB

2 TB
Model Numbers500 GB FireCuda 530: ZP500GM30013

1 TB FireCuda 530: ZP1000GM30013

2 TB FireCuda 530: ZP2000GM30013

4 TB FireCuda 530: ZP4000GM30013
500 GB WD_Black SN850: WDS500G1X0E-00AFY0

1 TB WD_Black SN850: WDS100T1X0E-00AFY0

2 TB WD_Black SN850: WDS200T1X0E-00AFY0
NAND3D TLCBiCS4 96L TLC
Maximum Sequential Read Speed500 GB FireCuda 530: Up to 7000 MB per second

1 TB FireCuda 530: Up to 7300 MB per second

2 TB FireCuda 530: Up to 7300 MB per second

4 TB FireCuda 530: Up to 7300 MB per second
500 GB WD_Black SN850: Up to 7000 MB per second

1 TB WD_Black SN850: Up to 7000 MB per second

2 TB WD_Black SN850: Up to 7000 MB per second
Maximum Sequential Write Speed500 GB FireCuda 530: Up to 3000 MB per second

1 TB FireCuda 530: Up to 6000 MB per second

2 TB FireCuda 530: Up to 6900 MB per second

4 TB FireCuda 530: Up to 6900 MB per second
500 GB WD_Black SN850: Up to 4100 MB per second

1 TB WD_Black SN850: Up to 5300 MB per second

2 TB WD_Black SN850: Up to 5100 MB per second
Maximum Random Read Speed500 GB FireCuda 530: Up to 400K IOPS

1 TB FireCuda 530: Up to 800K IOPS

2 TB FireCuda 530: Up to 1000K IOPS

4TB FireCuda 530: Up to 1000K IOPS
500 GB WD_Black SN850: Up to 810K IOPS

1 TB WD_Black SN850: Up to 1000K IOPS

2 TB WD_Black SN850: Up to 1000K IOPS
Maximum Random Write Speed500 GB FireCuda 530: Up to 700K IOPS

1 TB FireCuda 530: Up to 1000K IOPS

2 TB FireCuda 530: Up to 1000K IOPS

4TB FireCuda 530: Up to 1000K IOPS
500 GB WD_Black SN850: Up to 680K IOPS

1 TB WD_Black SN850: Up to 720K IOPS

2 TB WD_Black SN850: Up to 710K IOPS
Endurance500 GB FireCuda 530: 640 TBW

1 TB FireCuda 530: 1275 TBW

2 TB FireCuda 530: 2550 TBW

4 TB FireCuda 530: 5100 TBW
500 GB WD_Black SN850: 300 TBW

1 TB WD_Black SN850: 600 TBW

2 TB WD_Black SN850: 1200 TBW
Operating Temperature32°F to 158°F (or 0°C to 70°C)32°F to 158°F (or 0°C to 70°C)
Non-Operating Temperature-40°F to 185°F (or -40°C to 85°C)-67°F to 185°F (or -55°C to 85°C)
Warranty5-year limited warranty5-year limited warranty
PricingCheck price on Amazon.Check price on Amazon.

Capacity Options

When it comes to available capacities, the FireCuda 530 is the only one to offer a 4 TB option.

You can check out a breakdown of the available options for both products below:

FireCuda 530:

  • 500 GB
  • 1 TB
  • 2 TB
  • 4 TB

WD_Black SN850:

  • 500 GB
  • 1 TB
  • 2 TB

Model Numbers

You can also check out the model number for each of the aforementioned capacity below:

  • 500 GB FireCuda 530: ZP500GM30013
  • 1 TB FireCuda 530: ZP1000GM30013
  • 2 TB FireCuda 530: ZP2000GM30013
  • 4 TB FireCuda 530: ZP4000GM30013
  • 500 GB WD_Black SN850: WDS500G1X0E-00AFY0
  • 1 TB WD_Black SN850: WDS100T1X0E-00AFY0
  • 2 TB WD_Black SN850: WDS200T1X0E-00AFY0

NAND

When it comes to NAND, the FireCuda 530 is equipped with 3D TLC while the WD_Black SN850 is equipped with BiCS4 96L TLC.

Maximum Sequential Read Speed

When you compare the same capacity options, the 500 GB versions of the FireCuda 530 and WD_Black SN850 have identical maximum sequential reading speed.

On the other hand, the 1 TB and 2 TB versions of the FireCuda 530 are 300 MB per second faster, or 4.29% faster, than the 1 TB and 2 TB versions of the WD_Black SN850.

You can find the maximum sequential read speeds below:

  • 500 GB FireCuda 530: Up to 7000 MB per second
  • 1 TB FireCuda 530: Up to 7300 MB per second
  • 2 TB FireCuda 530: Up to 7300 MB per second
  • 4 TB FireCuda 530: Up to 7300 MB per second
  • 500 GB WD_Black SN850: Up to 7000 MB per second
  • 1 TB WD_Black SN850: Up to 7000 MB per second
  • 2 TB WD_Black SN850: Up to 7000 MB per second

Maximum Sequential Write Speed

The 500 GB WD_Black SN850 is 1100 MB per second, or 36.67% faster, than the 500 GB FireCuda 530 at maximum sequential writing.

On the other hand, the 1 TB FireCuda 530 is 700 MB per second faster, or 13.21% faster, than the 1 TB WD_Black SN850.

The 2 TB FireCuda 530 is also 1800 MB per second faster, or 35.29% faster, than the 2 TB WD_Black SN850.

You can check out the maximum sequential write speed specifications below:

  • 500 GB FireCuda 530: Up to 3000 MB per second
  • 1 TB FireCuda 530: Up to 6000 MB per second
  • 2 TB FireCuda 530: Up to 6900 MB per second
  • 4 TB FireCuda 530: Up to 6900 MB per second
  • 500 GB WD_Black SN850: Up to 4100 MB per second
  • 1 TB WD_Black SN850: Up to 5300 MB per second
  • 2 TB WD_Black SN850: Up to 5100 MB per second

Maximum Random Read Speed

For maximum random reading, the 500 GB WD_Black SN850 is 410K IOPS faster, or 102.5% faster, than the 500 GB FireCuda 530.

The 1 TB WD_Black SN850 is also 200K IOPS faster, or 25% faster, than the 1 TB FireCuda 530.

The 2 TB versions of both solid state drives have the same top speeds in this category.

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

  • 500 GB FireCuda 530: Up to 400K IOPS
  • 1 TB FireCuda 530: Up to 800K IOPS
  • 2 TB FireCuda 530: Up to 1000K IOPS
  • 4TB FireCuda 530: Up to 1000K IOPS
  • 500 GB WD_Black SN850: Up to 810K IOPS
  • 1 TB WD_Black SN850: Up to 1000K IOPS
  • 2 TB WD_Black SN850: Up to 1000K IOPS

Maximum Random Write Speed

When it comes to maximum random writing, the 500 GB FireCuda 530 is 20K IOPS faster, or 2.94% faster, than the 500 GB WD_Black SN850.

The 1 TB FireCuda 530 is also 280K IOPS faster, or 38.89% faster, than the 1 TB WD_Black SN850.

The 2 TB FireCuda 530 is 290K IOPS faster, or 40.85% faster, than the 2 TB WD_Black SN850.

You can check out the maximum random write speed specs below:

  • 500 GB FireCuda 530: Up to 700K IOPS
  • 1 TB FireCuda 530: Up to 1000K IOPS
  • 2 TB FireCuda 530: Up to 1000K IOPS
  • 4TB FireCuda 530: Up to 1000K IOPS
  • 500 GB WD_Black SN850: Up to 680K IOPS
  • 1 TB WD_Black SN850: Up to 720K IOPS
  • 2 TB WD_Black SN850: Up to 710K IOPS

Endurance

As for the endurance, you can write 340 TB more data with the 500 GB FireCuda 530 than the 500 GB WD_Black SN850.

You can also write 675 TB more data with the 1 TB FireCuda 530 than the 1 TB WD_Black SN850.

Furthermore, you will be able to write 1350 TB more data with the 2 TB FireCuda 530 than the 2 TB WD_Black SN850.

You can find the Terabytes Written (TBW) specs for all the capacities below:

  • 500 GB FireCuda 530: 640 TBW
  • 1 TB FireCuda 530: 1275 TBW
  • 2 TB FireCuda 530: 2550 TBW
  • 4 TB FireCuda 530: 5100 TBW
  • 500 GB WD_Black SN850: 300 TBW
  • 1 TB WD_Black SN850: 600 TBW
  • 2 TB WD_Black SN850: 1200 TBW

Operating Temperature

The internal Seagate and Western Digital storage drives have the same operating temperature range, which is from 32°F to 158°F (or 0°C to 70°C).

Non-Operating Temperature

For non-operation, the WD_Black SN850 can tolerate colder extreme temperatures.

You can find the storage temperature ranges below:

  • FireCuda 530: -40°F to 185°F (or -40°C to 85°C)
  • WD_Black SN850: -67°F to 185°F (or -55°C to 85°C)

Warranty

The Seagate FireCuda 530 Solid State Drive and Western Digital WD_Black SN850 Solid State Drive each comes with a 5-year limited warranty.

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