Average Bench: 67% (151st of 1015)

Based on 1,735 user benchmarks.  Models: WDC WD20PURZ-85GU6Y0, WDC WD20PURZ-85GU6Y0, WDC WD20PURZ-85G, WD WD20PURZ-85GU6Y0, WDC WD20 PURZ-85GU6Y0

Above average average bench

The WD Purple Surveillance 2TB (2017) averaged 33.0% 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 0.89MB/s
Avg. 4K Random Write Speed 2.21MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Purple Surveillance 2TB (2017) is 48.1%. This is a relatively wide range which indicates that the WD Purple Surveillance 2TB (2017) performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 61.2MB/s
Avg. Sustained Write Speed 115MB/s
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Average Bench

(Based on 1,735 samples)
Min Avg Max
67 Read 119 154
64.8 Write 115 147
31.7 Mixed 61.2 76.2
58.9 SusWrite 115 149
74.9% 102 MB/s
Min Avg Max
0.3 4K Read 0.71 0.9
0.9 4K Write 2.21 2.7
0.4 4K Mixed 0.89 1
170% 1.27 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
1TB free
Firmware: 80.00A80
SusWrite @10s intervals: 144 145 144 147 147 148 MB/s
Read 138
Write 137
Mixed 63.8
SusWrite 146
88% 121 MB/s
4K Read 0.7
4K Write 2.5
4K Mixed 1
187% 1.4 MB/s
328GB free
Firmware: 80.00A80
SusWrite @10s intervals: 136 141 141 141 142 141 MB/s
Read 130
Write 120
Mixed 55.8
SusWrite 140
81% 111 MB/s
4K Read 0.8
4K Write 2.3
4K Mixed 0.9
176% 1.33 MB/s
1.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 131 128 128 132 132 133 MB/s
Read 136
Write 137
Mixed 52.2
SusWrite 131
83% 114 MB/s
4K Read 0.7
4K Write 2.6
4K Mixed 0.8
166% 1.37 MB/s
1.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 128 133 133 135 131 134 MB/s
Read 126
Write 136
Mixed 69.8
SusWrite 132
85% 116 MB/s
4K Read 0.8
4K Write 2.1
4K Mixed 1
183% 1.3 MB/s
520GB free
Firmware: 80.0
SusWrite @10s intervals: 124 124 124 128 128 129 MB/s
Read 116
Write 106
Mixed 49.7
SusWrite 126
72% 99.4 MB/s
4K Read 0.8
4K Write 2.2
4K Mixed 0.9
174% 1.3 MB/s
1TB free (System drive)
Firmware: 80.00A80
SusWrite @10s intervals: 84 82 45 82 113 117 MB/s
Read 114
Write 119
Mixed 64.8
SusWrite 87
71% 96.3 MB/s
4K Read 0.3
4K Write 2.6
4K Mixed 0.9
161% 1.27 MB/s
1,735 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,445,871 HDDs tested.

 Prices

EbayUS $6812 mins
OutletPCUS $6820 hrs
AmazonUS $694 mins
BHPhotoUS $704 months
Send price feedback
Typical Purple Surveillance 2TB (2017) Builds (Compare 16,066 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 128%
UFO
Desktop
Desktop 124%
UFO
Workstation
Workstation 113%
UFO

Motherboard: Asus ROG STRIX Z370-F GAMING - $452

EDIT WITH CUSTOM PC BUILDER Value: 107% - Outstanding Total price: $1,755

Popular Purple Surveillance 2TB (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) July 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

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 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $252Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $728SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Ultra Fit 32GB $12
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