Average Bench: 112% (1st of 1015)

more Based on 923 user benchmarks.  Models: WDC WD121KRYZ-01, WDC WD121KRYZ-01W0RB1, WDC WD121KRYZ-01W0RB0, WDC WD12 1KRYZ-01W0RB, WDC WD12 1KRYZ-01W0RB0, WDC WD121KRYZ-01W0RB

Outstanding average bench

The WD Gold 12TB (2017) averaged 12.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Gold 12TB (2017) near the top of the comparison list.


Avg. 4K Random Mixed IO Speed 1.28MB/s
Avg. 4K Random Write Speed 5.27MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the WD Gold 12TB (2017) is 63.4%. This is a particularly wide range which indicates that the WD Gold 12TB (2017) performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 95.7MB/s
Avg. Sustained Write Speed 193MB/s

Average Bench

(Based on 923 samples)
Min Avg Max
128 Read 197 241
130 Write 198 241
65.9 Mixed 95.7 114
115 SusWrite 193 242
125% 171 MB/s
Min Avg Max
1.08 4K Read 1.58 2.6
4.16 4K Write 5.27 6.1
0.84 4K Mixed 1.28 1.6
305% 2.71 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
2TB free
Firmware: 01.01H01
SusWrite @10s intervals: 219 219 223 209 223 227 MB/s
Read 230
Write 219
Mixed 103
SusWrite 220
141% 193 MB/s
4K Read 1.3
4K Write 5.5
4K Mixed 1.2
289% 2.67 MB/s
6.5TB free
Firmware: 01.01H01
SusWrite @10s intervals: 130 132 124 125 126 132 MB/s
Read 199
Write 190
Mixed 94.9
SusWrite 128
112% 153 MB/s
4K Read 1.5
4K Write 4.9
4K Mixed 1.2
287% 2.53 MB/s
8.5TB free
Firmware: 01.01H01
SusWrite @10s intervals: 120 126 119 126 127 129 MB/s
Read 193
Write 104
Mixed 143
SusWrite 125
105% 141 MB/s
4K Read 7.4
4K Write 5.1
4K Mixed 1.2
536% 4.57 MB/s
2.5TB free
Firmware: 01.01H01
SusWrite @10s intervals: 126 127 125 140 137 142 MB/s
Read 130
Write 139
Mixed 177
SusWrite 133
109% 145 MB/s
4K Read 5.6
4K Write 5.6
4K Mixed 1.3
482% 4.17 MB/s
923 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 42,045,168 HDDs tested.


AmazonUS $3456 mins
EbayUS $35011 mins
BHPhotoUS $4692 years
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Typical Gold 12TB (2017) Builds (Compare 20,791 builds) See popular component choices, score breakdowns and rankings.
Gaming 177%
Desktop 94%
Nuclear submarine
Workstation 208%

Motherboard: Gigabyte X570 AORUS MASTER - $420

EDIT WITH CUSTOM PC BUILDER Value: 74% - Very good Total price: $1,761

Popular Gold 12TB (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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Hard Drive Rankings (Price vs Performance) December 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]


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.


Added n/a ago.


16 months ago.

big and fast


22 months ago.

The fastest and highest capacity HDD in the market currently. Liked that naming scheme but most users aren't going to see advantages of very high capacity HDD as this HDD is intended for storing huge amount of data and is very pricey.


21 months ago.

The best HD, but for specific use only because it is too expensive.


24 months ago.



14 months ago.

And now in an 18TB version for under $600.

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 i5-12600K $300Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $220Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i5-11400F $195Nvidia RTX 3080 $700Samsung 850 Evo 120GB $200
Seagate Barracuda 1TB (2016) $38Corsair Vengeance LPX DDR4 3200 C16 2x8GB $67SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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