Average Bench: 80.7% (76th of 1015)

Based on 2,183 user benchmarks.  Models: WDC WD40PURZ-85T, WD WD40PURZ-85TTDY0, WDC WD40 PURZ-85TTDY0, WDC WD40PURZ-85TTDY0

Very good average bench

The WD Purple Surveillance 4TB (2017) averaged just 19.2% 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 0.98MB/s
Avg. 4K Random Write Speed 2.62MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the WD Purple Surveillance 4TB (2017) is 51.2%. 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 70.4MB/s
Avg. Sequential Write Speed 137MB/s
ADVERTISEMENT

Average Bench

(Based on 2,183 samples)
Min Avg Max
83.3 Read 141 179
82.3 Write 137 172
42.2 Mixed 70.4 84.9
79.1 SusWrite 140 178
89.3% 122 MB/s
Min Avg Max
0.6 4K Read 0.84 1
1.7 4K Write 2.62 3
0.6 4K Mixed 0.98 1.1
192% 1.48 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: 178 180 181 181 182 179 MB/s
Read 194
Write 174
Mixed 80.5
SusWrite 180
115% 157 MB/s
4K Read 1.1
4K Write 3.1
4K Mixed 1.1
226% 1.77 MB/s
3.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 168 173 172 173 171 173 MB/s
Read 164
Write 153
Mixed 81.5
SusWrite 172
104% 143 MB/s
4K Read 0.8
4K Write 3
4K Mixed 1.1
211% 1.63 MB/s
2.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 165 163 165 164 167 167 MB/s
Read 158
Write 166
Mixed 75.8
SusWrite 165
103% 141 MB/s
4K Read 1
4K Write 2.8
4K Mixed 1.1
216% 1.63 MB/s
3TB free
Firmware: 80.00A80
SusWrite @10s intervals: 170 173 174 175 175 176 MB/s
Read 138
Write 148
Mixed 79.5
SusWrite 174
99% 135 MB/s
4K Read 0.9
4K Write 2.8
4K Mixed 1.1
212% 1.6 MB/s
2,183 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 22,990,628 HDDs tested.

 Prices

AmazonUS $10119 mins
EbayUS $1032 mins
BHPhotoUS $1073 months
Send price feedback
Typical Purple Surveillance 4TB (2017) Builds (Compare 30,451 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 59%
Gunboat
Desktop
Desktop 86%
Aircraft carrier
Workstation
Workstation 70%
Battleship

Motherboard: MSI Z370-A PRO (MS-7B48) - $100

EDIT WITH CUSTOM PC BUILDER Value: 69% - Good Total price: $863

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.

UserBenchmark of the month

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) January 2020 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]

ADVERTISEMENT

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 i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $42
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $324Nvidia RTX 2060 $349Samsung 850 Pro 512GB $249
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback