Average Bench: 113% (1st of 1015)

more Based on 1,221 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 12.7% 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 5.22MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the WD Gold 12TB (2017) is 65.7%. 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 96.1MB/s
Avg. Sustained Write Speed 194MB/s

Average Bench

(Based on 1,221 samples)
Min Avg Max
122 Read 197 241
122 Write 197 243
67.8 Mixed 96.1 121
115 SusWrite 194 242
125% 171 MB/s
Min Avg Max
1.1 4K Read 1.58 2.96
4.1 4K Write 5.22 5.97
0.94 4K Mixed 1.28 1.6
305% 2.69 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
6TB free
Firmware: 01.01H01
SusWrite @10s intervals: 241 239 246 244 243 246 MB/s
Read 241
Write 245
Mixed 108
SusWrite 243
153% 209 MB/s
4K Read 1.5
4K Write 5.4
4K Mixed 1.2
296% 2.7 MB/s
11TB free
Firmware: 01.01H01
SusWrite @10s intervals: 233 238 238 236 232 237 MB/s
Read 222
Write 221
Mixed 98.6
SusWrite 236
142% 194 MB/s
4K Read 1.5
4K Write 5.6
4K Mixed 1.2
300% 2.77 MB/s
86GB free
Firmware: 01.01H01
SusWrite @10s intervals: 113 117 114 115 116 113 MB/s
Read 111
Write 118
Mixed 80.7
SusWrite 115
78% 106 MB/s
4K Read 1.3
4K Write 5.1
4K Mixed 1.6
326% 2.67 MB/s
1,221 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 48,531,792 HDDs tested.


EbayUS $29315 mins
AmazonUS $3009 mins
BHPhotoUS $4693 years
Send price feedback
Typical Gold 12TB (2017) Builds (Compare 4,176 builds) See popular component choices, score breakdowns and rankings.
Gaming 183%
Desktop 104%
Workstation 204%

Motherboard: Gigabyte X570 AORUS MASTER - $473

EDIT WITH CUSTOM PC BUILDER Value: 75% - Very good Total price: $1,675

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) January 2023 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.

Excellent (edit your comment) Add link

11 months ago.

big and fast that what she said


2 years 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.


2 years ago.

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


3 years ago.



2 years 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 i5-13600K $310Nvidia RTX 3060-Ti $410Crucial MX500 250GB $30
Intel Core i3-12100F $98Nvidia RTX 3070 $568Samsung 850 Evo 120GB $106
Intel Core i5-12400F $164Nvidia RTX 3050 $298Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $50SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3200 C16 2x8GB $49SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $417SanDisk Ultra Fit 32GB $16
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback