Average Bench: 57% (226th of 1015)

more Based on 1,845 user benchmarks.  Models: WDC WD30EZRS-00J99B0, WDC WD30EZRS-11J99B1, WDC WD30EZRS-11J99B0, WDC WD30EZRS-00KEZB0, WDC WD30EZRS-14J99B0, WDC WD30 EZRS-00J99B0, WDC WD30 EZRS-11J99B1, WDC WD30EZRS-00J, WDC WD30EZRS-11J, WDC WD30EZRS-55J, WDC WD30EZRS-55J99B0, WDC WD30 EZRS-00KEZB0, WDC WD30 EZRS-42KEZB0, WDC WD30EZRS-42K, WDC WD30EZRS-00K, WDC WD30EZRS-60J99B0, WDC WD30EZRS-00CLWB0, WDC WD30EZRS-42KEZB0

Average average bench

The WD WD30EZRS-00J99B0 3TB averaged 43.0% 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.


Avg. 4K Random Mixed IO Speed 0.64MB/s
Avg. 4K Random Read Speed 0.77MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WD WD30EZRS-00J99B0 3TB is 38.1%. This is a relatively wide range which indicates that the WD WD30EZRS-00J99B0 3TB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 66.8MB/s
Avg. Sequential Write Speed 95.5MB/s

Average Bench

(Based on 1,845 samples)
Min Avg Max
56.7 Read 103 131
48.2 Write 95.5 124
34.3 Mixed 66.8 87.5
40.1 SusWrite 95.6 126
66.4% 90.2 MB/s
Min Avg Max
0.5 4K Read 0.77 1
0.4 4K Write 1.69 2.2
0.4 4K Mixed 0.64 0.8
135% 1.03 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: 106 103 112 108 109 105 MB/s
Read 112
Write 119
Mixed 81.3
SusWrite 107
77% 105 MB/s
4K Read 0.8
4K Write 2.1
4K Mixed 0.8
161% 1.23 MB/s
2.5TB free (System drive)
Firmware: 80.00A80
SusWrite @10s intervals: 55 49 64 54 44 49 MB/s
Read 110
Write 106
Mixed 66.1
SusWrite 52.5
62% 83.7 MB/s
4K Read 0.6
4K Write 2.1
4K Mixed 0.7
142% 1.13 MB/s
1TB free
Firmware: 80.00A80
SusWrite @10s intervals: 69 70 71 73 74 71 MB/s
Read 76.2
Write 71.7
Mixed 53.7
SusWrite 71.3
50% 68.2 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 0.5
112% 0.9 MB/s
2.5TB free
Firmware: 80.00A80
SusWrite @10s intervals: 32 33 31 30 32 33 MB/s
Read 102
Write 32.2
Mixed 39.3
SusWrite 31.8
38% 51.4 MB/s
4K Read 0.9
4K Write 0.5
4K Mixed 0.5
102% 0.63 MB/s
4GB free
Firmware: 12.01D04
SusWrite @10s intervals: 56 53 61 54 59 37 MB/s
Read 63.8
Write 60.3
Mixed 51
SusWrite 53.2
42% 57.1 MB/s
4K Read 0.4
4K Write 1.2
4K Mixed 0.5
94% 0.7 MB/s
1,845 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 29,523,456 HDDs tested.

Typical WD30EZRS-00J99B0 3TB Builds (Compare 9,443 builds) See popular component choices, score breakdowns and rankings.
Gaming 102%
Desktop 95%
Nuclear submarine
Workstation 103%

Motherboard: Asus PRIME X570-P

EDIT WITH CUSTOM PC BUILDER Value: 68% - Good Total price: $950

Popular WD30EZRS-00J99B0 3TB 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) August 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]


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.


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.
Intel Core i5-9600K $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $46
Intel Core i5-9400F $156Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $335Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $60SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback