Average Bench: 39.3% (524th of 1015)

more Based on 11,938 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 60.7% 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 0.61MB/s
Avg. 4K Random Write Speed 1.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD WD10S21X-24R1BT0-SSHD-8GB 1TB is 41.1%. 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 43.3MB/s
Avg. Sustained Write Speed 59.2MB/s
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Average Bench

(Based on 11,938 samples)
Min Avg Max
17.4 Read 77.4 110
15.2 Write 68.4 105
14.4 Mixed 43.3 58.5
23 SusWrite 59.2 99.6
45.6% 62.1 MB/s
Min Avg Max
0.1 4K Read 0.47 0.6
0.4 4K Write 1.7 2.3
0.1 4K Mixed 0.61 0.8
119% 0.93 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
610GB free
Firmware: 03.01A01
SusWrite @10s intervals: 91 94 92 92 93 93 MB/s
Read 87.8
Write 81
Mixed 47.7
SusWrite 92.4
57% 77.2 MB/s
4K Read 0.5
4K Write 2
4K Mixed 0.7
136% 1.07 MB/s
610GB free
Firmware: 03.01A01
SusWrite @10s intervals: 91 92 91 92 91 91 MB/s
Read 85.7
Write 84.2
Mixed 48.8
SusWrite 91.5
57% 77.6 MB/s
4K Read 0.6
4K Write 2.1
4K Mixed 0.7
142% 1.13 MB/s
867GB free (System drive)
Firmware: 03.01A01
SusWrite @10s intervals: 65 59 75 63 74 74 MB/s
Read 90.1
Write 81.3
Mixed 46.1
SusWrite 68.4
52% 71.5 MB/s
4K Read 0.4
4K Write 1.5
4K Mixed 0.6
111% 0.83 MB/s
804GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 25 54 45 53 65 72 MB/s
Read 105
Write 86.6
Mixed 58
SusWrite 52.4
56% 75.5 MB/s
4K Read 0.4
4K Write 1.9
4K Mixed 0.7
130% 1 MB/s
547GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 70 53 74 81 88 80 MB/s
Read 79.3
Write 84.3
Mixed 48.8
SusWrite 74.5
53% 71.7 MB/s
4K Read 0.5
4K Write 1.9
4K Mixed 0.7
134% 1.03 MB/s
683GB free
Firmware: 03.01A01
SusWrite @10s intervals: 55 88 113 88 88 113 MB/s
Read 23
Write 22.7
Mixed 42.5
SusWrite 90.8
33% 44.8 MB/s
4K Read 1.1
4K Write 3.8
4K Mixed 1.5
283% 2.13 MB/s
766GB free (System drive)
Firmware: 03.01A01
SusWrite @10s intervals: 34 31 26 30 27 33 MB/s
Read 37
Write 27.7
Mixed 13.2
SusWrite 29.9
20% 26.9 MB/s
4K Read 0.3
4K Write 1.3
4K Mixed 0.1
48% 0.57 MB/s
11,938 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 20,495,095 HDDs tested.

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

13 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..


Your
opinion?
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 1660 $210Samsung 850 Evo 250GB $57
Intel Core i5-9600K $238Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
Intel Core i7-9700K $356Nvidia RTX 2060S (Super) $430Samsung 850 Pro 256GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $607SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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