Average Bench: 82.5% (67th of 1015)

more Based on 4,952 user benchmarks.  Models: WDC WD40PURZ-85T, WD WD40PURZ-85TTDY0, WDC WD40 PURZ-85TTDY0, WDC WD40PURZ-74AKKY0, WDC WD40PURZ-85TTDY0, WDC WD40 PURZ-85AKKY0, WDC WD40PURZ-85AKKY0, WDC WD40PURZ-85A

Very good average bench

The WD Purple Surveillance 4TB (2017) averaged just 17.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Purple Surveillance 4TB (2017) near the top of the comparison list.

Strengths

Avg. 4K Random Mixed IO Speed 0.97MB/s
Avg. 4K Random Write Speed 2.67MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the WD Purple Surveillance 4TB (2017) is 54.9%. This is a relatively wide range which indicates that the WD Purple Surveillance 4TB (2017) performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 72.1MB/s
Avg. Sequential Write Speed 139MB/s
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Average Bench

(Based on 4,952 samples)
Min Avg Max
85.7 Read 145 188
78.9 Write 139 180
48.8 Mixed 72.1 86.8
78.6 SusWrite 142 185
91.2% 125 MB/s
Min Avg Max
0.6 4K Read 0.86 1
1.81 4K Write 2.67 3.1
0.71 4K Mixed 0.97 1.1
194% 1.5 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
3.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 175 180 180 180 180 181 MB/s
Read 177
Write 158
Mixed 81.3
SusWrite 179
109% 149 MB/s
4K Read 1
4K Write 2.7
4K Mixed 1.1
214% 1.6 MB/s
3TB free
Firmware: 80.00A80
SusWrite @10s intervals: 167 168 166 169 170 170 MB/s
Read 170
Write 153
Mixed 79.2
SusWrite 168
104% 143 MB/s
4K Read 0.8
4K Write 2.9
4K Mixed 1
198% 1.57 MB/s
3TB free
Firmware: 80.00A80
SusWrite @10s intervals: 165 168 168 169 171 167 MB/s
Read 167
Write 158
Mixed 84.1
SusWrite 168
106% 144 MB/s
4K Read 0.9
4K Write 2.9
4K Mixed 1.1
213% 1.63 MB/s
1.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 135 142 144 147 146 147 MB/s
Read 160
Write 78.6
Mixed 82.6
SusWrite 143
85% 116 MB/s
4K Read 0.8
4K Write 2.6
4K Mixed 0.9
182% 1.43 MB/s
179GB free
Firmware: 80.00A80
SusWrite @10s intervals: 124 123 138 125 135 149 MB/s
Read 124
Write 124
Mixed 61.9
SusWrite 132
81% 110 MB/s
4K Read 0.9
4K Write 2.9
4K Mixed 1
202% 1.6 MB/s
1.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 126 124 122 126 123 129 MB/s
Read 131
Write 125
Mixed 66.5
SusWrite 125
82% 112 MB/s
4K Read 0.8
4K Write 2.3
4K Mixed 1
187% 1.37 MB/s
2.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 114 118 119 121 120 119 MB/s
Read 121
Write 108
Mixed 66.4
SusWrite 118
76% 103 MB/s
4K Read 0.8
4K Write 2.9
4K Mixed 1
198% 1.57 MB/s
433GB free
Firmware: 80.00A80
SusWrite @10s intervals: 96 97 95 97 100 102 MB/s
Read 100
Write 80.6
Mixed 51.2
SusWrite 97.7
60% 82.4 MB/s
4K Read 0.9
4K Write 2.7
4K Mixed 1
199% 1.53 MB/s
2TB free
Firmware: 80.00A80
SusWrite @10s intervals: 87 90 89 92 91 92 MB/s
Read 83.2
Write 85
Mixed 52
SusWrite 90
57% 77.6 MB/s
4K Read 0.7
4K Write 2.7
4K Mixed 0.8
168% 1.4 MB/s
4,952 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 37,656,799 HDDs tested.

 Prices

EbayUS $8511 mins
AmazonUS $913 mins
BHPhotoUS $10719 months
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Typical Purple Surveillance 4TB (2017) Builds (Compare 57,384 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 106%
UFO
Desktop
Desktop 94%
Nuclear submarine
Workstation
Workstation 108%
UFO

Motherboard: Asus TUF GAMING X570-PLUS (WI-FI) - $193

EDIT WITH CUSTOM PC BUILDER Value: 70% - Very good Total price: $1,254

Popular Purple Surveillance 4TB (2017) compatible motherboards:

How Fast Is Your HDD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Hard Drive Rankings (Price vs Performance) April 2021 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

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 i5-11400F $180Nvidia RTX 3070 $500Crucial MX500 250GB $49
Intel Core i5-11600K $265Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i5-10600K $215Nvidia RTX 3080 $700Samsung 860 Evo 250GB $40
HDDRAMUSB
Seagate Barracuda 1TB (2016) $30Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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