91points

Western Digital Black PCIe 1TB

91points

Western Digital Black PCIe 250GB

vs
vs

16 facts in comparison

Western Digital Black PCIe 1TB vs Western Digital Black PCIe 250GB

Western Digital Black PCIe 1TB
Western Digital Black PCIe 250GB
91
points
Western Digital Black PCIe 1TB
91
points
Western Digital Black PCIe 250GB

Why is Western Digital Black PCIe 1TB better than Western Digital Black PCIe 250GB?

  • 400MB/s faster sequential read speed
    ?

    3400MB/svs3000MB/s
  • 1200MB/s faster maximum sequential write speed
    ?

    2800MB/svs1600MB/s
  • 230000IOPS faster maximum random write speed
    ?

    400000IOPSvs170000IOPS
  • 280000IOPS faster random read speed
    ?

    500000IOPSvs220000IOPS
  • 538MB/s faster sequential write speed
    ?

    1931MB/svs1393MB/s
  • 750GB more internal storage
    ?

    1000GBvs250GB
  • 5MB/s faster 4K random write speed
    ?

    147MB/svs142MB/s
  • 222MB/s faster sequential read speed
    ?

    1757MB/svs1535MB/s

Why is Western Digital Black PCIe 250GB better than Western Digital Black PCIe 1TB?

Price comparison

General info

1.internal storage

1000GB

250GB

The internal storage, also called read-only memory (ROM), refers to the built-in storage space available in a device for system data, apps, and user-generated data. With a large amount of internal storage, you can save more files and apps on your device.
2.MTBF

1.75million hours

1.75million hours

MTBF (Mean Time Between Failures) is the manufacturer’s estimation of the average time for a device to fail.
3.shock resistance

1500G

1500G

It is more resistant to impact and falls.
4.weight

7.5g

7.5g

We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
5.thickness

2.4mm

2.4mm

We consider a thinner chassis better because it makes the product more compact and portable. Thinness is a feature highlighted by many manufacturers of mobile devices, but it is essential for a wide range of products.
6.height

22mm

22mm

The height represents the vertical dimension of the product. We consider a smaller height better because it assures easy maneuverability.

Read speed

1.sequential read speed

3400MB/s

3000MB/s

The maximum sequential read speed according to the manufacturer. It is one test of how well the drive can read data.
2.random read speed

500000IOPS

220000IOPS

The maximum random read speed according to the manufacturer. It is one test of how well the drive can read data.
3.sequential read speed

1757MB/s

1535MB/s

This is one test of how well the drive can read data. Source: ssdreview.com.
4.4K random read speed

44.1MB/s

43.6MB/s

This is one test of how well the drive can read data. Source: ssdreview.com.

Write speed

1.sequential write speed

2800MB/s

1600MB/s

The maximum sequential write speed according to the manufacturer. It is one test of how well the drive can write data.
2.maximum random write speed

400000IOPS

170000IOPS

The maximum random write speed according to the manufacturer. It is one test of how well the drive can write data.
3.sequential write speed

1931MB/s

1393MB/s

This is one test of how well the drive can write data. Source: ssdreview.com.
4.4K random write speed

147MB/s

142MB/s

This is one test of how well the drive can write data. Source: ssdreview.com.

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