Average Bench: 38.4% (537th of 1015)

more Based on 10,173 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 61.6% 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

Above average consistency

The range of scores (95th - 5th percentile) for the WD WD10S21X-24R1BT0-SSHD-8GB 1TB is 38%. 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 42.9MB/s
Avg. Sustained Write Speed 55.9MB/s
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Average Bench

(Based on 10,173 samples)
Min Avg Max
20.6 Read 77.7 109
17.5 Write 67.3 101
15.1 Mixed 42.9 58.5
23.6 SusWrite 55.9 95.2
44.8% 60.9 MB/s
Min Avg Max
0.1 4K Read 0.45 0.6
0.5 4K Write 1.7 2.3
0.1 4K Mixed 0.61 0.8
119% 0.92 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
922GB free
Firmware: 03.01A02
SusWrite @10s intervals: 114 115 114 115 115 116 MB/s
Read 120
Write 112
Mixed 62.2
SusWrite 115
75% 102 MB/s
4K Read 0.6
4K Write 2
4K Mixed 0.6
129% 1.07 MB/s
909GB free
Firmware: 03.01A02
SusWrite @10s intervals: 66 116 117 118 116 115 MB/s
Read 122
Write 116
Mixed 60.5
SusWrite 108
74% 102 MB/s
4K Read 0.6
4K Write 2
4K Mixed 0.8
151% 1.13 MB/s
929GB free
Firmware: 03.01A02
SusWrite @10s intervals: 114 118 117 118 118 118 MB/s
Read 35
Write 51.5
Mixed 50
SusWrite 117
47% 63.4 MB/s
4K Read 0.6
4K Write 2.2
4K Mixed 0.7
144% 1.17 MB/s
590GB free
Firmware: 03.01A01
SusWrite @10s intervals: 74 59 53 52 52 52 MB/s
Read 93
Write 81.5
Mixed 48.2
SusWrite 56.8
51% 69.9 MB/s
4K Read 0.5
4K Write 2.2
4K Mixed 0.7
139% 1.13 MB/s
409GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 35 39 37 46 51 53 MB/s
Read 82.2
Write 77.8
Mixed 48.2
SusWrite 43.7
46% 63 MB/s
4K Read 0.5
4K Write 2.1
4K Mixed 0.6
126% 1.07 MB/s
862GB free (System drive)
Firmware: 03.01A02
SusWrite @10s intervals: 51 33 26 29 46 42 MB/s
Read 51.5
Write 52.8
Mixed 37.5
SusWrite 38
33% 45 MB/s
4K Read 0.1
4K Write 1
4K Mixed 0.4
67% 0.5 MB/s
10,173 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 17,164,774 HDDs tested.

EDIT WITH CUSTOM PC BUILDER

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Hard Drive Rankings (Price vs Performance) May 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

8 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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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 i7-8700K $350Nvidia GTX 1070 $380Samsung 850 Evo 250GB $70
AMD Ryzen 5 2600 $139Nvidia GTX 1060-6GB $208Samsung 850 Evo 500GB $99
AMD Ryzen 5 1600 $108Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $41G.SKILL Trident Z DDR4 3200 C14 4x16GB $651SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $95SanDisk Ultra Fit 32GB $12
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