Average Bench: 40.5% (502nd of 1015)

more Based on 11,532 user benchmarks.  Models: WDC WD10S21X-24R1BT0-SSHD-8GB, WDC WD10S21X-24R, WDC WD10 S21X-24R1BT0, WDC WD10S21X-24R1BT0-SSH, WDC WD10S21X-24R1BT0, WDC WD10 S21X-24R1BT0-SSH

Below average average bench

The WD WD10S21X-24R1BT0-SSHD-8GB 1TB averaged 59.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K Random Mixed IO Speed 0.63MB/s
Avg. 4K Random Write Speed 1.76MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD WD10S21X-24R1BT0-SSHD-8GB 1TB is 41.9%. This is a relatively wide range which indicates that the WD WD10S21X-24R1BT0-SSHD-8GB 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 45MB/s
Avg. Sustained Write Speed 60.3MB/s
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Average Bench

(Based on 11,532 samples)
Min Avg Max
21.8 Read 80.4 108
19.2 Write 72.3 107
19 Mixed 45 58.5
26.1 SusWrite 60.3 104
47.4% 64.5 MB/s
Min Avg Max
0.1 4K Read 0.47 0.6
0.7 4K Write 1.76 2.3
0.17 4K Mixed 0.63 0.8
123% 0.96 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
910GB free (System drive)
Firmware: 03.01A01
SusWrite @10s intervals: 50 48 52 92 102 103 MB/s
Read 92.6
Write 91.9
Mixed 55.8
SusWrite 74.6
58% 78.7 MB/s
4K Read 0.6
4K Write 1.9
4K Mixed 0.7
138% 1.07 MB/s
310GB free
Firmware: 03.01A02
SusWrite @10s intervals: 62 76 79 79 78 74 MB/s
Read 86.2
Write 67.2
Mixed 47.7
SusWrite 74.7
51% 68.9 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.8
145% 1.03 MB/s
623GB free (System drive)
Firmware: 03.01A01
SusWrite @10s intervals: 46 60 52 66 74 88 MB/s
Read 96
Write 97.5
Mixed 52
SusWrite 64.5
57% 77.5 MB/s
4K Read 0.6
4K Write 1.9
4K Mixed 0.7
138% 1.07 MB/s
800GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 60 41 54 50 53 47 MB/s
Read 109
Write 69.7
Mixed 60.4
SusWrite 50.9
54% 72.5 MB/s
4K Read 0.6
4K Write 2
4K Mixed 0.7
140% 1.1 MB/s
202GB free (System drive)
Firmware: 03.01A01
SusWrite @10s intervals: 55 70 78 84 79 90 MB/s
Read 77
Write 59
Mixed 46
SusWrite 76.1
47% 64.5 MB/s
4K Read 0.5
4K Write 2.1
4K Mixed 0.7
138% 1.1 MB/s
636GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 44 47 33 34 37 50 MB/s
Read 88.2
Write 86.5
Mixed 46.3
SusWrite 40.7
48% 65.4 MB/s
4K Read 0.3
4K Write 1.7
4K Mixed 0.3
77% 0.77 MB/s
510GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 38 37 35 34 30 37 MB/s
Read 79.7
Write 58.5
Mixed 46.5
SusWrite 35.2
41% 55 MB/s
4K Read 0.4
4K Write 1.6
4K Mixed 0.7
124% 0.9 MB/s
11,532 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,216,156 HDDs tested.

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Hard Drive Rankings (Price vs Performance) January 2020 HDD Rankings.

We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top HDDs. [HDrivePro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

Added n/a ago.

Terrible

16 months ago.

Took this out of seldom used Lenovo Y50 to use in Lenovo Y530, with knowledge that it has horrible performance. It did not disappoint with that. Planning on using this as external and get others instead..


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1015 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different HDDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-9600K $229Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $46
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $339Samsung 850 Pro 512GB $204
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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