Average Bench: 39.8% (510th of 1015)

more Based on 11,675 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

Poor average bench

The WD WD10S21X-24R1BT0-SSHD-8GB 1TB averaged 60.1% 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 1.78MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WD WD10S21X-24R1BT0-SSHD-8GB 1TB is 38.6%. 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 44.4MB/s
Avg. Sustained Write Speed 59.2MB/s
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Average Bench

(Based on 11,675 samples)
Min Avg Max
23 Read 79.2 110
16.3 Write 71.5 104
17.2 Mixed 44.4 58.5
25.2 SusWrite 59.2 99.4
46.8% 63.6 MB/s
Min Avg Max
0.1 4K Read 0.47 0.6
0.7 4K Write 1.78 2.3
0.2 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%
139GB free
Firmware: 03.01A02
SusWrite @10s intervals: 104 107 106 107 107 107 MB/s
Read 108
Write 102
Mixed 54.3
SusWrite 106
68% 92.4 MB/s
4K Read 0.6
4K Write 2.4
4K Mixed 0.8
158% 1.27 MB/s
773GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 74 77 67 74 71 69 MB/s
Read 92.7
Write 89.8
Mixed 52
SusWrite 72
56% 76.6 MB/s
4K Read 0.6
4K Write 1.8
4K Mixed 0.7
136% 1.03 MB/s
339GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 55 42 39 55 62 70 MB/s
Read 89.2
Write 92.2
Mixed 52.8
SusWrite 53.8
53% 72 MB/s
4K Read 0.6
4K Write 1.9
4K Mixed 0.7
138% 1.07 MB/s
761GB free (System drive)
Firmware: 03.01A01
SusWrite @10s intervals: 39 49 48 50 49 45 MB/s
Read 50.8
Write 53
Mixed 25
SusWrite 46.6
32% 43.8 MB/s
4K Read 0.1
4K Write 0.9
4K Mixed 0.2
43% 0.4 MB/s
754GB free
Firmware: 03.01A01
SusWrite @10s intervals: 12 12 6.7 6.8 6.6 6.8 MB/s
Read 81.7
Write 84.3
Mixed 48
SusWrite 8.5
41% 55.6 MB/s
4K Read 0.6
4K Write 2
4K Mixed 0.8
151% 1.13 MB/s
427GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 42 43 30 19 30 63 MB/s
Read 34.5
Write 21.3
Mixed 25.5
SusWrite 37.9
22% 29.8 MB/s
4K Read 0.3
4K Write 0.8
4K Mixed 0
27% 0.37 MB/s
802GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 37 34 30 24 19 34 MB/s
Read 37.2
Write 33.1
Mixed 25.4
SusWrite 29.4
23% 31.3 MB/s
4K Read 0.2
4K Write 1.3
4K Mixed 0.3
66% 0.6 MB/s
632GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 23 32 29 40 38 37 MB/s
Read 15.5
Write 14.7
Mixed 14.5
SusWrite 33.3
14% 19.5 MB/s
4K Read 0.3
4K Write 0.9
4K Mixed 0.6
96% 0.6 MB/s
11,675 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,705,722 HDDs tested.

EDIT WITH CUSTOM PC BUILDER

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  • - CPU tests include: integer, floating and string.
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Hard Drive Rankings (Price vs Performance) December 2019 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

14 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 i5-9400F $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $39
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
HDDRAMUSB
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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